SiO2 |
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![]() Curved QUARTZ Altoona Area Quarries |
![]() QUARTZ (Japan-law twin) with LUINAITE-(OH) Bald Hornet Claim (Blue Mountain Saddle) |
![]() Radial LUINAITE-(OH) clusters on QUARTZ Bald Hornet Claim (Blue Mountain Saddle) |
![]() QUARTZ (Japan-law twin) with perched LUINAITE-(OH) Bald Hornet Claim (Blue Mountain Saddle) |
![]() QUARTZ with delicate, green sprays of LUINAITE-(OH) Bald Hornet Claim (Blue Mountain Saddle) |
![]() Tabular QUARTZ crystal with LUINAITE-(OH) inclusions Bald Hornet Claim (Blue Mountain Saddle) |
![]() Drusy QUARTZ spheres on ropey CLINOCHLORE Beaver Valley Quarry |
![]() Drusy QUARTZ with light-green jasper Beaver Valley Quarry |
![]() HEMATITE and QUARTZ pseudomporph after unidentified mineral EPIDOTE ? Bessemer Ridge |
![]() QUARTZ and HEMATITE pseudomporph after unidentified mineral EPIDOTE ? Bessemer Ridge |
![]() STILPNOMELANE in matrix QUARTZ Blanchard Hill |
![]() STILPNOMELANE in matrix QUARTZ and green chert Blanchard Hill |
![]() PYRITE coating CALCITE and drusy QUARTZ Cadman Quarry |
![]() Banded blue-gray QUARTZ (Var: Chalcedony) Cadman Quarry |
![]() CALCITE and QUARTZ with (CALCITE + QUARTZ) pseudomorphs aft ARAGONITE Cadman Quarry |
![]() Blue-gray drusy QUARTZ with CALCITE Cadman Quarry |
![]() CALCITE and QUARTZ pseudomorph after ARAGONITE Cadman Quarry |
![]() Slightly amethystine QUARTZ crystal with hopper along prism face Cedar Ponds |
![]() Slightly amethystine QUARTZ exhibiting Muzo habit Cedar Ponds |
![]() Sceptered QUARTZ cluster Clipper View Claim |
![]() QUARTZ scepter with cubic PYRITE inclusion reflected in all six termination faces Clipper View Claim |
![]() Japan-law twin QUARTZ Clipper View Claim |
![]() Japan-law twin QUARTZ with fluorescent phantom under short-wave ultraviolet light Clipper View Claim |
![]() GOETHITE pseudomorph after SIDERITE on QUARTZ Clipper View Claim |
![]() QUARTZ cluster with scepters Clipper View Claim |
![]() QUARTZ scepter on matrix Clipper View Claim |
![]() QUARTZ cluster with scepter and micro sulfide inclusions Clipper View Claim |
![]() QUARTZ cluster with fluorescent phantoms under short-wave ultraviolet light Clipper View Claim |
![]() Double-terminated QUARTZ cluster (floater) with fluorescent inclusions Clipper View Claim |
![]() Sceptered QUARTZ cluster with SIDERITE inclusions Clipper View Claim |
![]() QUARTZ cluster with balls of dark green CHLINOCHLORE and inclusions of BYSSOLITE Condor Claim |
![]() Partially coated BOURNONITE with SPHALERITE and QUARTZ Coney Basin Mine |
![]() Lustrous crude hexagonal MOLYBDENITE crystals in massive white QUARTZ Crown Point Mine |
![]() Sharp euhedral MOLYBDENITE on QUARTZ Crown Point Mine |
![]() "Raspberry" QUARTZ (Var: Amethyst) scepter containing inclusions of HEMATITE Denny Mountain Skarn |
![]() Terminated radial EPIDOTE spray with perched QUARTZ Denny Mountain Skarn |
![]() "Raspberry" QUARTZ scepter with HEMATITE inclusions and rosettes Denny Mountain Skarn |
![]() "Raspberry" QUARTZ (Var: Amethyst) scepter with HEMATITE inclusions Denny Mountain Skarn |
![]() "Raspberry" QUARTZ (Var: Amethyst) scepter cluster containing inclusions of HEMATITE Denny Mountain Skarn |
![]() QUARTZ scepter with HEMATITE Denny Mountain Skarn |
![]() Double-terminated Japan-law twin QUARTZ on matrix Denny Mountain Skarn |
![]() Japan-law twin QUARTZ cluster Denny Mountain Skarn |
![]() QUARTZ with green CHLORITE inclusions and red GROSSULAR garnet Denny Mountain Skarn |
![]() QUARTZ scepter cluster Denny Mountain Skarn |
![]() Botryoidal blue OPAL coating a broken QUARTZ crystal Denny Mountain Skarn |
![]() High quality "raspberry" QUARTZ (Var: Amethyst) scepter containing inclusions of HEMATITE Denny Mountain Skarn |
![]() Double-terminated QUARTZ Denny Mountain Skarn |
![]() Dipyramidal SCHEELITE with QUARTZ on skarn matrix Denny Mountain Skarn |
![]() Japan-law twin QUARTZ cluster with PYRITE Denny Mountain Skarn |
![]() SERICITE pseudomorph after EPIDOTE ? with small crystals of QUARTZ Denny Mountain Skarn |
![]() QUARTZ scepter with HEMATITE inclusions Denny Mountain Skarn |
![]() CHLORITE included QUARTZ with SIDERITE Denny Mountain Skarn |
![]() CHRYSOCOLLA coating Japan-law twin QUARTZ Denny Mountain Skarn |
![]() Sceptered QUARTZ cluster with HEMATITE Denny Mountain Skarn |
![]() Complex micro-sceptered QUARTZ cluster (slight amethyst) with minor CHLORITE Denny Mountain Skarn |
![]() Complex sceptered QUARTZ cluster with strange truncated terminations and overgrowth with CHLORITE inclusions and SERICITE Denny Mountain Skarn |
![]() QUARTZ (Var: Chalcedony) - "Ellensburg Blue" Ellensburg Area |
![]() Polished QUARTZ (Var: Chalcedony) - "Ellensburg Blue" Ellensburg Area |
![]() QUARTZ (Var: Chalcedony) - Botryoidal "Ellensburg Blue" Ellensburg Area |
![]() Smoky QUARTZ with inclusions of ARFVEDSONITE Golden Horn Batholith |
![]() Gemmy QUARTZ (Var: Smoky) Golden Horn Batholith |
![]() Gemmy QUARTZ (Var: Smoky) with fiery red ASTROPHYLLITE inclusion Golden Horn Batholith |
![]() ZIRCON exhibiting a sharp tetragonal pyramid termination w/ perched orange BASTNAESITE-(Ce) crystals, also QUARTZ "speared" with ARFVEDSONITE Golden Horn Batholith |
![]() QUARTZ (Var: Smoky) with minor MICROCLINE Golden Horn Batholith |
![]() Rough and Cut QUARTZ (Var: Amethyst) Green Ridge Breccia |
![]() QUARTZ with pyritihedral PYRITE inclusion Green Ridge Breccia |
![]() QUARTZ (Var: Amethyst) scepters on matrix Green Ridge Breccia |
![]() Japan-law twin QUARTZ crystal Green Ridge Breccia |
![]() Japan-law twin QUARTZ crystal on QUARTZ cluster Green Ridge Breccia |
![]() Sceptered QUARTZ cluster Green Ridge Breccia |
![]() QUARTZ (Var: Amethyst) with enhydro Green Ridge Breccia |
![]() QUARTZ (Var: [light] Smokey) Green Ridge Breccia |
![]() QUARTZ with fluorescent phanton (under short-wave ultraviolet light) Green Ridge Breccia |
![]() Sceptered QUARTZ crystal with enhydro Green Ridge Breccia |
![]() Japan-law twin QUARTZ cluster Green Ridge Breccia |
![]() Large Japan-law twin QUARTZ crystal Green Ridge Breccia |
![]() Sub-metallic GOETHITE partially coating QUARTZ Green Ridge Breccia |
![]() QUARTZ scepter (Var: Amethyst) with partial limonite coating Green Ridge Breccia |
![]() QUARTZ (Var: Amethyst) scepter Hansen Creek |
![]() Japan-law twin QUARTZ cluster Hansen Creek |
![]() Amethystine QUARTZ scepters Hansen Creek |
![]() Amethyst QUARTZ scepter. Base of crystal appears dark in photo but is clear quartz (not smokey) Hansen Creek |
![]() Sceptered QUARTZ (Var: Amethyst) Hansen Creek |
![]() "Dumbbell" sceptered QUARTZ (Var: Amethyst) Hansen Creek |
![]() QUARTZ with stacked shortwave fluorescent phantoms Hansen Creek |
![]() QUARTZ with stacked shortwave fluorescent phantoms Hansen Creek |
![]() Japan-law twin QUARTZ Hansen Creek |
![]() FLUORAPATITE with dark green CLINOCHLORE and QUARTZ Hansen Creek |
![]() QUARTZ with euhedral PYRITE inclusions Hansen Creek |
![]() Gem sceptered QUARTZ (Var: Amethyst) Hansen Creek |
![]() QUARTZ (Var: Chalcedony) - Carnelian agate Kalama Area |
![]() QUARTZ cluster on matrix with gemmy scepter Katie Belle Breccia |
![]() ELECTRUM grains within dark gray bands of NAUMANNITE and white QUARTZ (Var: Chalcedony) Knob Hill Mine (Golden Promise Mine) |
![]() Slab of banded Au-Ag ore with NAUMANNITE and QUARTZ (Var: Chalcedony) Knob Hill Mine (Golden Promise Mine) |
![]() Rich ELECTRUM grains within dark gray bands of NAUMANNITE and white QUARTZ (Var: Chalcedony) Knob Hill Mine (Golden Promise Mine) |
![]() Japan-law twin QUARTZ Mount Teneriffe |
![]() Japan-law twin QUARTZ with phantoms Mount Teneriffe |
![]() Japan-law twin QUARTZ cluster Mount Teneriffe |
![]() Complex Japan-law twin QUARTZ with "double" termination Mount Teneriffe |
![]() CHALCOPYRITE cluster with QUARTZ Pedro Claim |
![]() QUARTZ with SPHALERITE inclusion? Pend Oreille Mine |
![]() SPHALERITE with QUARTZ crystals, PALYGORSKITE and minor PYRITE Pend Oreille Mine |
![]() QUARTZ (Var: Jasper), orbicular jasper Rialto Beach |
![]() QUARTZ (Var: Jasper), orbicular jasper, concentrically zoned Rialto Beach |
![]() QUARTZ (Var: Jasper), orbicular jasper, cut and polished Rialto Beach |
![]() QUARTZ (Var: Jasper), orbicular jasper, cut and polished detail Rialto Beach |
![]() Dark-gray, metallic PYROLUSITE (likely combined with other manganese oxides) found interstitial to QUARTZ (Var: Jasper) - orbicular jasper, cut and polished Rialto Beach |
![]() QUARTZ (Var: Jasper), orbicular jasper, tumble polished Rialto Beach |
![]() Gemmy REALGAR etched from calcite on QUARTZ Royal Reward Mine |
![]() "Rice" QUARTZ South Fork Toutle River |
![]() BARITE with QUARTZ and PYRITE Spruce Ridge |
![]() PYRITE and QUARTZ Spruce Ridge |
![]() QUARTZ with ANKERITE Spruce Ridge |
![]() BARITE perched on QUARTZ "flower" Spruce Ridge |
![]() QUARTZ (Var: Amethyst) scepter on QUARTZ Spruce Ridge |
![]() QUARTZ cluster with QUARTZ (Var: Amethyst) scepters Spruce Ridge |
![]() Rehealed and sceptered QUARTZ splay Spruce Ridge |
![]() ANKERITE "rose" perched on QUARTZ Spruce Ridge |
![]() Light amethystine QUARTZ scepter cluster Spruce Ridge |
![]() Stacked ANKERITE crystals on QUARTZ Spruce Ridge |
![]() CALCITE and QUARTZ Spruce Ridge |
![]() QUARTZ (Var: Amethyst) scepter cluster Spruce Ridge |
![]() Stacked BARITE with QUARTZ Spruce Ridge |
![]() "Dumbbell" sceptered QUARTZ cluster Spruce Ridge |
![]() Greenish-brown GROSSULAR garnet crystals partially coating QUARTZ Vesper Peak Skarn |
![]() Small QUARTZ cluster with small Japan-Law twin and associated GROSSULAR garnet Vesper Peak Skarn |
![]() QUARTZ epimorph after CALCITE (view from front, side and bottom) Vesper Peak Skarn |
![]() Gemmy pink AXINITE on QUARTZ Vesper Peak Skarn |
![]() QUARTZ (Var: Amethyst), CALCITE rose Walker Valley |