AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Montana > Tennantite on Quartz and Pyrite

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Tennantite on Quartz and Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

 
Tennantite on Quartz and Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Tennantite on Quartz and Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Tennantite on Quartz and Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

Tennantite on Quartz and Pyrite from Butte Mining District, Summit Valley, Silver Bow County, Montana

DESCRIPTION:No. 50031
Mineral:Tennantite on Quartz and Pyrite
Locality:Butte Mining District, Summit Valley, Silver Bow County, Montana
Description:Sharp wedge-shaped tennantite crystals to 6 mm on colorless milky quartz crystals to 15 mm plus minor yellow-metallic pyrite crystals to 5 mm. Some tennantite crystals are hollow pseudomorphs or have overgrowth of gray-metallic microcrystals (enargite?). Ex. Peter B. Nalle (1923-2010); acquired in 1982 from Trevillion-Johnson Gems, Butte, Mt.
Overall Size:6.5x5x2 cm
Crystals:1-15 mm
Status: For reference only
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