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Calcite for Sale
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 | For sale is a aesthetic sharp single cabinet-sized calcite crystal partially draped in wispy white palygorskite from the Pend Oreille Mine, Pend Oreille County, Washington. This specimen is exhbits a sharp undamaged termination (flattened rhombohedron). The bottom is cleaved where it was attached to the matrix rock. This specimen was collected circa 1960 by Jim Browne, Pend Oreille Mine geologist. This is an incredible specimen for its size and provenance and for the price! A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
    Click!  PRICE: $60.00 (shipping and return policy). CONTACT me if you have any questions. |
 | For sale is a cabinet-sized fibrous mass of bright snow-white palygorskite covered in small calcite crystals from the Pend Oreille Mine, Pend Oreille County, Washington. This specimen was collected circa 1960 by Jim Browne, Pend Oreille Mine geologist. The calcite covers the palygorskite on both sides (one side completely) with individual crystals exhibiting flattened rhombohedral crystal habit. You will not easily find this unique combination on the market, especially of this quality. A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
    Click! PRICE: $75.00 (shipping and return policy). CONTACT me if you have any questions. |
 | This is an exsquisite combination of sharp black lustrous sphalerite, golden pyrite and white calcite from the Trepca Stari Trg Mine. The pyrite is pseudomorphic after stacked pyrrhotite. The specimen is exceptional and undamaged. A specimen label is included.  Click! PRICE: $220.00 (shipping and return policy). CONTACT me if you have any questions. |
 | For sale is a very nice Spruce Ridge specimen, with gem clear quartz crystals covered with a cap of curved llustrous ankerite crystals and a calcite crystal to add to the interest of thiis specimen. The specimen is in excellent condition with no damage except where the quartz crystals contact at the bottom of the specimen. A specimen label is included. Visit my Spruce Ridge page at Washington Minerals for more information about this mineral occurence.
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 | For sale is an incredible northwest zeolite specimen from Rickreall Creek Pit in Oregon. A showy flower of gem green apophyllite is nestled in a large amygdule containing stilbite, heulandite and calcite. A specimen label is included.
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 | For sale are over a dozen fully terminated "floater" crystals of calcite exhibiting flattened rhombohedral habit collected in the 1960's from the Pend Oreille Mine. The crystals grew freely on palygorskite and are fully terminated with no obvious points of contact. Some crystals are extremely gemmy and contain inclusions of white palygorskite and/or filiform pyrite. A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a brilliant cluster of sharp intergrown flattened rhonbohedral calcite crystals from the Pend Oreille Mine in Washington state. The specimen is in excellent condition with one point of contact at the base of the cluster. This specimen is from the ex-Jim Browne collection. This specimen was collected circa 1960 by Mr. Browne who was the mine geologist at the Pend Oreille Mine. The specimen is professionally mounted on a polished acrylic base. A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a very unique cabinet-sized cluster of isolated white calcite crystals on basalt matrix. The calcite has formed isolated small clusters that is reminiscent of popcorn. A specimen label is included.
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 | For sale is an outstanding specimen of red calcite from Carter County, Montana. The material is highly sought after and rarely found on the market. Often called "stalactitic" due to their shape, these wonderfully aesthetic specimens actually form as concretions within shale. The specimen is professionally mounted on a polished acrylic base. A specimen label is included.
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 | For sale is an outstanding specimen of red calcite from Carter County, Montana. The material is highly sought after and rarely found on the market. Often called "stalactitic" due to their shape, these wonderfully aesthetic specimens actually form as concretions within shale. Two undamaged "stalactites" rise from the base. The specimen displays perfectly without mounting. A specimen label is included.
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 | For sale is a beautiful calcite specimen with a well-developed contact twin (rhombohedron {0112} twin law). The specimen has a silky luster and exhibits subtle internal zoning. The specimen is mounted on a polished acrylic base.
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 | For sale is a gemmy top-color cobaltoan calcite cluster from Morocco. The specimen exhibits some of the most vibrant color I have seen for this species. The specimen is mounted on a polished acrylic base with removable mineral tack. A specimen label is included.
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 | For sale is a gemmy top-color cobaltoan calcite cluster from Morocco. The specimen is excellent quality and undamaged, with contact along the base of the cluster. The specimen is mounted on a polished acrylic base with removable mineral tack. A specimen label is included.
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 | For sale is a gemmy hot-pink cobaltoan calcite cluster from Morocco. The specimen is excellent quality and is undamaged, with contact along the base of the cluster. The specimen is mounted on a polished acrylic base with removable mineral tack. A specimen label is included.
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 | For sale is a gemmy hot-pink cobaltoan calcite cluster from Morocco. The specimen is excellent quality and is undamaged, with a contact along the base of the cluster where it was attached to the matrix. The terminations are incredible on these crystals, as shown in the photos. The specimen is mounted on a polished acrylic base with removable mineral tack. A specimen label is included.
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 | For sale is a gemmy pink cobaltoan calcite cluster on light-colored matrix from Morocco. The specimen is undamaged and is mounted on a polished acrylic base with removable mineral tack. A specimen label is included.
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 | For sale is a unique pseudomorph of calcite (var: glendonite) after ikaite partially exposed within a spherical mudstone concretion. The glendonite forms an orangish-brown stellate aggregate of pyramidal crystals, formed in very cold water conditions rich in calcium and carbone/bicarbonate ions. Ikaite is metastable and readily pseudomorphs to calcite once removed from near-freezing water. These first came to the market in the early 1990's and are not common on the market today. The specimen is undamaged and comes with a specimen label.
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 | For sale is an unusual calcite specimen from an old collection, collected from the Highway 197 roadcut, The Dalles, Oregon, referred to as "pineapple calcite" by local collectors. Thethumbnail cluster has multiple complex terminated bunches (and yes they look a little bit like pineapples) with a beautiful yellow color. Specimens from this locality are rarely available on the market. The specimen is mounted in a perky box with removable mineral tack. A specimen label is included.
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 | For sale is a group of three unusual calcite specimens collected from the Highway 197 roadcut, the Dalles, Oregon, referred to as "pineapple calcite" by local collectors. The thumbnail clusters consist of complex multiple terminated bunches, each about 3 cm long, with a beautiful yellow color. Specimens from this locality are rarely available on the market. A specimen label is included.
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 | For sale is an outstanding calcite specimen from an old collection, collected from the Highway 197 roadcut, The Dalles, Oregon, referred to as "pineapple calcite" by local collectors. The cluster has multiple complex terminated bunches (and yes they look a little bit like pineapples) with a beautiful yellow color. The cluster displays very well from the front. The backside has a cleaved section and a few small terminations are also cleaved. Specimens from this locality are rarely available on the market. A specimen label is included.
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 | For sale is an attractive specimen of bright yellow calcite crystallized in a basalt amygdule from Beaver Valley Quarry. The calcite crystals exhibit sharp termniations and complex striated and rounded faces. The calcite phosphoresces under short-wave ultraviolet light. The last photo shows the fluorescence (mixed daylight and short-wave ultraviolet light). The specimen is professionally mounted in a pedestal-style perky box with a specimen label.
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 | For sale are two undamaged specimens of gemmy yellow calcite from Robertson Pit, Mason County, Washington. The larger specimen has gemmy portions with rich color and has natrolite needles included where it was attached in the pocket. The smaller specimen is very gemmy and is professionally mounted in a pedestal-style perky box. Both specimens are twinned and fluoresce and phosphoresce under short wave ultraviolet light. A specimen label is included.
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 | For sale is a unique cluster of sharp flattened-rhobohedral calcite crystals with white palygorskite from the Pend Oreille Mine, Pend Oreille County, Washington. The calcite is paritailly coated in areas with microcrystals of yellow baryte. This specimen was collected circa 1960 by Jim Browne, Pend Oreille Mine geologist. A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a very aesthetic combination of soft translucent yellow interpenetration-twinned calcite on a bed of lustrous white radial natrolite sprays and analcime from Robertson Pit, Mason County, Washington. The specimen is in excellent condition with a contact along one side of the calcite. The calcite is fluorescent and phosphorescent under short-wave ultraviolet light. The specimen is mounted (with removable mineral tack) on a polished acrylic base. A specimen label is included. Visit my Robertson Pit page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a very aesthetic combination of lemon-yellow translucent to transparent yellow interpenetration-twinned calcite on a flag of basalt matrix with natrolite crystals spearing through the calcite. This is a very fine undamaged miniature. The calcite is fluorescent and phosphorescent under short-wave ultraviolet light. A specimen label is included. Visit my Robertson Pit page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a cluster of delicate thin disc-shaped transparent calcite crystals on a orange to black goethite/limonite matrix. The habit of the calcite is very unique. The specimen is in excellent condition. A specimen label is included.
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 | For sale is a cluster of delicate thin disc-shaped transparent calcite crystals on a orange to black limonite matrix. The habit of the calcite is very unique. The specimen is in excellent condition. A specimen label is included.
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 | For sale is an undamaged combination of translucent yellow interpenetrating calcite crystals on a bed of white natrolite from Robertson Pit, Mason County, Washington. The calcite both fluoresces and phosphoresces under short-wave ultraviolet light! A specimen label is included. Visit my Roberston Pit page at Washington Minerals for more information about this mineral occurence.
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 | For sale is an absolutely stunning undamaged light-yellow gemmy calcite perched on a bed of natrolite from Robertson Pit, near Dayton, Mason County, Washington, USA. The calcite is twinned and phosphoresces under short- and long-wave ultraviolet light. The specimen comes with a polished acrylic base, removable mineral tack for mounting and a specimen label. This is a featured specimen on my website (see following link).
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 | For sale is a beautiful undamaged cluster of calcite with saturated red hematite inclusions from Santa Eulalia, Mexico. A specimen label is included.
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 | For sale is a beautiful undamaged cluster of calcite with saturated red hematite inclusions from Santa Eulalia, Mexico. This is a very aesthetic specimen. A specimen label and acrylic stand are included.
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 | For sale is an undamaged combination of translucent deep lemon-yellow rhombohedral calcite cradled in a bed of white natrolite needles whith a little bit a basalt matrix. Many of the needles fully penetrate through the calcite crystal. This is a very wonderful aesthetic combonation. The calcite both fluoresces and phosphoresces under short-wave ultraviolet light! A specimen label is included. Visit my Roberston Pit page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a rich sparkling cluster of calcite coating red hematite from Santa Eulalia, Mexico. Calcite crystals up to 1 cm contain inclusions of bright red hematite, a very aesthetic combination. A specimen label is included.
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 | For sale is a rich sparkling cluster of calcite coating red hematite from Santa Eulalia, Mexico. The specimen is adorned with an immaculate 1.8 cm calcite crystal with a bright red hematite inclusion. A specimen label is included.
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 | For sale is a rich sparkling cluster of calcite coating red hematite from Santa Eulalia, Mexico. Calcite crystals up to 1 cm contain inclusions of bright red hematite, a very aesthetic combination. A specimen label is included.
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 | For sale is an incredible specimen of sharp flattened-rhombohedral calcite with white palygorskite from the Pend Oreille Mine, Pend Oreille County, Washington. The cluster consists of a large undamaged main crystal (over 9 cm long!) and smaller stacked crystals. The specimen is undamaged with one cleaved contact on the back of the cluster (last photo, top of photo). This is one of the largest calcite crystals that I have seen from the Pend Oreille Mine. This specimen was collected circa 1960 by Jim Browne, Pend Oreille Mine geologist. A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a very aesthetic cluster of sharp calcite crystals on white palygorskite from the Pend Oreille Mine, Pend Oreille County, Washington. This specimen is undamaged with beautiful intergrown flattened rhombohedral calcite crystals of varying sizes on palygorskite. This specimen was collected circa 1960 by Jim Browne, Pend Oreille Mine geologist. A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a unique cluster of sharp calcite crystals on white palygorskite from the Pend Oreille Mine, Pend Oreille County, Washington. This specimen is undamaged with two beautiful flattened rhombohedral calcite crystals of varying sizes on a sheet of paper-like white palygorskite with minor pyrite. This specimen was collected circa 1960 by Jim Browne, Pend Oreille Mine geologist. A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a unique cluster of lustrous gray calcite crystals coating white palygorskite from the Pend Oreille Mine, Pend Oreille County, Washington. One side of the specimen is completely covered with smalll calcite crystals. The other side is mostly a wispy snow-white flexible palygorskite. This specimen was collected circa 1960 by Jim Browne, Pend Oreille Mine geologist. A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a very aesthetic cluster of sharp calcite crystals from the Pend Oreille Mine, Pend Oreille County, Washington. This specimen is undamaged with beautiful intergrown flattened rhombohedral calcite crystals of varying sizes associated with minor white palygorskite and micro filiform pyrite. This specimen was collected circa 1960 by Jim Browne, Pend Oreille Mine geologist. A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a aesthetic sharp single floater calcite crystal partially draped in wispy white palygorskite from the Pend Oreille Mine, Pend Oreille County, Washington. This specimen is undamaged with a single flattened rhombohedral calcite crystal with rare elongated filiform pyrite inclusions, some with 90 degree bends. This specimen was collected circa 1960 by Jim Browne, Pend Oreille Mine geologist. The specimen is mounted in a pedestal-style perky box with removable mineral tack. A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a very unique cluster of nailhead calcite and quartz from the famous Spruce Ridge locality in Washington state. Calcite is not a common species from this locality. The calcite is translucent when held up to a light with a cream-colored coating and is double terminated with complex terminations. A few gemmy terminated quartz crystals are intergrown with the calcite. The cluster is in excellent condition with points of contact at the base of the quartz crystals along the back side of the cluster. Visit my Spruce Ridge page at Washington Minerals for more information about this mineral occurence.
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 | For sale is an extremely rare type locality specimen of cavansite on matrix from Owyhee Dam, Oregon ,USA. The cavansite has crystallized in vibrant blue radiating rosettes with calcite crystals. The specimen is in great condition with many complete and partial rosettes. A specimen label is included.
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 | For sale is an extremely rare type locality specimen of cavansite on matrix from Owyhee Dam, Oregon, USA. The cavansite has crystallized in vibrant blue radiating rosettes with small heulandite and calcite crystals. The specimen is in great condition with many complete and partial rosettes. A specimen label is included.
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 | For sale is an attractive cluster of elongated sky-blue celestine crystals with small calcite crystals and minor pyrite from the France Stone Quarry in Custer County, Ohio. The celestine crystals are isolated over a matrix of small lustrous calcite crystals. A specimen label is included.
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 | For sale is a very vibrant deep-green conichalcite specimen from the Ojuela Mine, Mapimi, Mexico. Most of the conichalcite is included within calcite giving the specimen a shimmering surface. A specimen label is included.
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 | For sale is a colorful, lustrous specimen of bladed green epidote crystals with grossular garnet and minor calcite from the well-know skarn deposit, Denny Mountain, King County, Washington. The calcite occurs in small vugs with euhedral epidote and garnet. A psecimen label is included. Visit my Denny Mountain page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a unique combination of flattened rhombohedral calcite on a matrix of flexible white palygorskite. Rare elongated filiform pyrite, some with 90 degree bends, has crystallized on the white palygorskite. This specimen was collected circa 1960 by Jim Browne, Pend Oreille Mine geologist. The specimen is mounted in a pedestal-style perky box with removable mineral tack. A specimen label is included. Visit my Pend Oreille Mine page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a large, attractive specimen of rich amber-colored fluorite about 3.5 cm on a side, associated with bladed white celestine and minor calcite on a small amount of matrix from Stoneco White Rock Quarry, Clay Center, Ohio. The specimen is in very good condition with some minor damage, mostly to some of the celestine terminations. The fluorite exhibitis good fluorescence under short-wave ultraviolet light. This is a very nice specimen from a classic locality.
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 | For sale is a wonderful complete pseudomorph of goethite after pyrite from Denny Mountain in a matrix of calcite with micro quartz crystals. This specimen was self-collected in 2010. A specimen label is included. Visit my Denny Mountain Skarn page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a rare combination of modified octahedral magnetite crystals with unaltered ludwigite crystals and minor white calcite from Idaho. Ludwigite is a borate of magnesium and iron. This specimen is in superb condition with lustrous crystals. A specimen label is included.
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 | For sale is a wonderful lustrous specimen of acicular radial natrolite crystals intergrown with equant white apophyllite and minor calcite. It is rare to find apophyllite at this locality; the association with sprays of natrolite amkes this specimen very unique. The specimen is in excellent condition. A specimen label is included. Visit my Robertson Pit page at Washington Minerals for more information about this mineral occurence.
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 | For sale is an outstanding undamaged cabinet-sized cluster of white natrolite on basalt matrix with an elongated complex yellow calcite crystal emerging from a radial tuft of the natrolite. The calcite fluoresces and phosphoresces under short-wave ultraviolet light. This is a very unique specimen. A specimen label is included Visit my Robertson Pit page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a large specimen consisting of pseudomorphs of quartz after aragonite from the High Rock Quarry in Monroe, King County, Washington. The tan-colored pseudomorphs are hexagonal in cross-section and have bipyramidal terminations. A cluster of flattened rhombohedral calcite crystals partially cover the pseudomorphs. Specimen of High Rock quarry pseudomorps are rarely seen for sale on the market. A specimen label is included. Visit my Cadman Quarry page at Washington Minerals for more information about this mineral occurence.
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 | This is a very rare pseudomorph of calcite and quartz after aragonite. The crystal habit of the orignal aragonite crystal was quite complex with stepped terminations and small "side-car" crystals. The specimen is mounted on an acrylic base. A specimen label is included. Visit my Cadman Quarry page at Washington Minerals for more information about this mineral occurence. Visit my Cadman Quarry page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a brilliant partially terminated pyrite crystal with perched, double-terminated white nailhead calcite crystals. This is a wonderful and unique combination from this famous locality. The specimen is mounted on a polished acrylic base with removable mineral tack. A specimen label is included. Visit my Spruce Ridge page at Washington Minerals for more information about this mineral occurence.
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 | For sale is a very aesthetic cluster of vibrant purple Vera Cruz amethyst crystals on a matrix coated with calcite crystals. The specimen is mounted on a polished acrylic base with removable mineral tack. A specimen label is included.
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 | For sale is a very aesthetic cluster of vibrant purple Vera Cruz amethyst crystals on a matrix coated with calcite crystals. Also, small white bladed barite crystals are associated. The specimen is mounted on a polished acrylic base with removable mineral tack. A specimen label is included.
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 | This is an incredibly aesthetic thumbnail specimen of amethystine quartz perched on calcite set against greenish-black chlorite from Shellrock Mountain, Hood River County, Oregon. This is a superb thumbnail combination. The specimen is mounted in a pedestal-style perky box with a specimen label.
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 | For sale is an incredible combination of quartz and calcite on a bed of red stilbite in a basalt amygdule from Mill Creek Oregon. A specimen label is included.
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 | For sale is a rare crystal of cream-colored fluorescent scheelite perched on a matrix of predominately skeletal grossular crystals with quartz, sulfides, hematite, and calcite from the Denny Mountain skarn deposit in King County, Washington, USA. The scheelite fluoresces bright blue under short-wave ultraviolet light. Visit my Denny Mountain page at Washington Minerals for more information about this mineral occurence.
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 | This is an exsquisite large-cabinet size combination of 4 species (umber-colored siderite, golden chalcopyrite, silver tetrahedrite and clear calcite) from a new find in China. This is the best specimen I came across at the 2012 Tucson gem and Mineral Show, most notably because of the lack of any damage and the lustrous well-formed tetrahedrite tetrahedra scattered all over the cluster. A specimen label is included.
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 | For sale is a thumbnail-sized specimen of an old classic, seldom found on the market as good display specimens. This aesthetic thumbnail features multiple, intergrown sharp blue octahedra within calcite matrix. The specimen is professionally mounted within a pedestal-style perky box with removable mineral tack. A specimen label is included.
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 | For sale is a thumbnail-sized specimen of an old classic, seldom found on the market as good display specimens. This thumbnail features a sharp blue octahedron within calcite matrix. The specimen is professionally mounted within a pedestal-style perky box with removable mineral tack. A specimen label is included.
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 | For sale is a perfect cluster with two large white spherical thomsonites associated with smaller thomsonite and calcite crystals on reddish basalt matrix from Oregon. This locality has produced some of the nicest thomsonites outside of India. A specimen label is included.
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More to come!
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