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Calaverite Fluorite & Quartz

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SER893152

Calaverite Fluorite & Quartz

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Cripple Creek District, Teller County, Colorado, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 2.5 × 2.1 cm
Description

a single, lustrous crystal of calaverite with some vugs filled with quartz crystals hosting tiny purple fluorite cubes

Mineral Data
What's on the rock

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

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White