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Kiddcreekite & Nekrasovite

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SKY714990

Kiddcreekite & Nekrasovite

Rare Mineral

Description Tabs

Description
Locality: 
Campbell Mine, Bisbee, Cochise County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1 × 0.8 cm
Description

Black-grey microinclusions of the extremely rare tungsten and vanadium minerals kiddcreekite and nekrasovite from the famous Bisbee mine in Arizona, in a matrix of pyrite.

Kiddcreekite is almost never seen in the mineral market, much more in specimens different from polished sections. 

Bisbee is the cotype locality for kiddcreekite.

Analyzed specimen by SEM/EDS  see copy of both analysis enclosed

Mineral Data
What's on the rock

Kiddcreekite

Formula: 
Cu6SnWS8
Strunz: 
2.CB.35a
Hardness: 
4.0
Type Locality: 
Kidd Creek mine, Kidd Township, Timmins area, Cochrane District, Ontario, Canada

Nekrasovite

Formula: 
Cu26V2(Sn,As,Sb)6S32
Strunz: 
2.CB.30
Crystal System: 
Isometric
Hardness: 
4.5
Type Locality: 
Kairagach Au deposit (Kaygarach), Chatkal-Kuraminskii Range, Angren Region, Tashkent Viloyati (Toshkent), Uzbekistan

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