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Mineral Specimen No. 78480:
Chalcocite pseudomorphs after Covellite with Enargite, Pyrite and Quartz for sale from Butte District, Summit Valley, Silver Bow County, Montana.

This mineral specimen Chalcocite pseudomorphs after Covellite with Enargite, Pyrite and Quartz from Butte District, Summit Valley, Silver Bow County, Montana is available for sale from John Betts - Fine Minerals, mineral dealer located in New York City, New York.Follow on Facebook

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Description of Mineral Specimen for sale No. 78480:

Mineral Species: Chalcocite pseudomorphs after Covellite with Enargite, Pyrite and Quartz.
Location of origin: Butte District, Summit Valley, Silver Bow County, Montana.
Description: Sooty gray-black chalcocite pseudomorphs after thin bladed covellite crystals to 22 mm with lustrous black striated enargite crystals to 10 mm and yellow-metallic pyrite crystals to 8 mm plus lustrous transparent colorless quartz crystals to 2 mm. The crystals grew in a constricted cavity preventing complete crystal development. Most visible crystals are complete and undamaged except a few places where they contacted the cavity wall. Ex. Fred Meissner (1931-2007); originally acquired in 2001 from World Museum of Mining (Butte, MT).
Overall size: 8.5x5x2.5 cm.
Size of individual crystals: 5-22 mm pseudos
Price: $450 net (plus shipping).

Mineral Chalcocite pseudomorphs after Covellite with Enargite, Pyrite and Quartz for sale from Butte District, Summit Valley, Silver Bow County, Montana

Detail view of mineral Chalcocite pseudomorphs after Covellite with Enargite, Pyrite and Quartz for sale from Butte District, Summit Valley, Silver Bow County, Montana

Detail view of mineral Chalcocite pseudomorphs after Covellite with Enargite, Pyrite and Quartz for sale from Butte District, Summit Valley, Silver Bow County, Montana

Detail view of mineral Chalcocite pseudomorphs after Covellite with Enargite, Pyrite and Quartz for sale from Butte District, Summit Valley, Silver Bow County, Montana

Detail view of mineral Chalcocite pseudomorphs after Covellite with Enargite, Pyrite and Quartz for sale from Butte District, Summit Valley, Silver Bow County, Montana

Detail view of mineral Chalcocite pseudomorphs after Covellite with Enargite, Pyrite and Quartz for sale from Butte District, Summit Valley, Silver Bow County, Montana

Detail view of mineral Chalcocite pseudomorphs after Covellite with Enargite, Pyrite and Quartz for sale from Butte District, Summit Valley, Silver Bow County, Montana

Cabinet-sized Specimen

     


See similar minerals for sale:
Pseudomorphs

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Rocky Mountain States, USA


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© 9 December 2019 John Betts - Fine Minerals, New York , NY - All Rights Reserved.
a division of allminerals.com, dealer of Fine Minerals since 1989.  

The minerals illustrated on this site were purchased from collectors or wholesale suppliers for resale purposes. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this site. Please contact the property owner to obtain legal permission before entering private property.