Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Coloradoite Calaverite Native Gold

Views:
Watches:
JYJ917765

Coloradoite Calaverite Native Gold

Description Tabs

Description
Locality: 
Kalgoorlie-Boulder, Kalgoorlie-Boulder Shire, Western Australia, Australia
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.7 × 1.9 cm
Description

Brassy metallic coloradoite with yellow metallic calaverite and native hafnian gold on quartz matrix. Very rich. Historic specimen. 

 

Mineral Data
What's on the rock

Coloradoite

Formula: 
HgTe
Strunz: 
2.CB.05a
Hardness: 
2.5 - 0.0
Type Locality: 
Keystone Mine, Magnolia District, Boulder Co., Colorado, USA

Calaverite

Formula: 
AuTe2
Strunz: 
2.EA.10
Hardness: 
2.5 - 3.0
Type Locality: 
Stanislaus Mine, Carson Hill Gold Mining Company Mines (Carson Hill Mines), Melones, Carson Hill District (Melones District), Mother Lode Belt, Calaveras Co., California, USA

Gold

Formula: 
Au
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0