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High-Grade Silver-Gold Ore, Tonopah, Nevada (103067)

Currency:USD Category:Collectibles / Rocks, Fossils & Minerals Start Price:75.00 USD Estimated At:150.00 - 250.00 USD
High-Grade Silver-Gold Ore, Tonopah, Nevada  (103067)
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High-grade silver-gold ore specimen from the Montana Tonopah Mine, Nye County, Nevada, approx 90 x 55 x 40 mm. Massive quartz permeated by dark, silver-grey mineralization, probably argentite, with surface crystals of tarnished chalcopyrite and druzy quartz. Original collector identified polybasite -- a black monoclinic mineral containing silver, antimony, copper, arsenic, and sulfur -- as the black crystalline material on the surface. This is a very dense and attractive specimen from this famous mining district.

Date:
City/County: Tonopah
State: Nevada