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Native Silver Native Copper & Epidote

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BCK651456

Native Silver Native Copper & Epidote

Classic Locality

Description Tabs

Description
Locality: 
Mass Mine, Mass City, Ontonagon County, Michigan, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.5 × 1.2 cm
Description

You are bidding on a small sample with some small groups of very sharp, single, interpenetrating cubes of native silver growing on leaves of native copper!! Really rare to have single cubes of native silver! For me the most beautiful portion of the sample are the epidote crystals that have bright shining native copper "hugging" them in one cavity with a cluster of dolomite crystals sitting on top. A really fantastic piece with a lot to look at! Much nicer than my photos indicate. 

Mineral Data
What's on the rock

Silver

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

Copper

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

Epidote

Formula: 
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05a
Crystal System: 
Monoclinic
Hardness: 
6.0
Streak: 
Colorless
Type Locality: 
Bourg d'Oisans, Isère, Rhône-Alpes, France...

Seller Information

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