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ELECTRUM, NAUMANNITE (Specimen No. 1 of 6)
electrum, naumannite for sale
I will be selling rare and aesthetic slabs of high-grade gold and silver ore specimens containing native electrum (gold and siilver alloy) and dark silver-gray bands of naumannite (silver selenide) from the Golden Promise #2 Vein, Knob Hill Mine in Republic, Ferry County, Washington, USA. These fine slabs are from the Ralph Noyes Collection. Ralph Noyes was the Vice President of Metal Mining for Hecla Mining Company. Please contact me at for more information or if you are interested in acquiring a specimen. I have slabs of various sizes and textures. Visit my Knob Hill Mine (Golden Promise Mine) page at Washington Minerals for more information about this mineral occurence.

ELECTRUM, NAUMANNITE (Specimen No. 1 of 6)
Knob Hill Mine (Golden Promise Mine), Klondike Mountain, Republic, Republic District, Ferry Co., WA, USA
Specimen is 14.7 x 8.7 x 2.6 cm (5-13/16 x 3-7/16 x 1 in)
Ralph Noyes Collection


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