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Native Silver With Aurichalcite

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CR08711

Native Silver With Aurichalcite

Ex Franz Collection (Germany)

Description Tabs

Description
Locality: 
Ojuela Mine, Mapimi, Durango, Mexico
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3.3 × 1 cm
Description

A calcite and limonite matrix has a face covered in pale green aurichalcite. Across the aurichalcite are several dendritic looking veinlets of silver and a couple of quite nice exposed sheets.

Nice old locality specimen from the collection of Alex Franz.

Mineral Data
What's on the rock

Silver

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

Aurichalcite

Formula: 
(Zn,Cu)5(CO3)2(OH)6
Strunz: 
5.BA.15
Crystal System: 
Monoclinic - Prismatic
Hardness: 
1.0 - 2.0
Type Locality: 
Loktevskoye Mine (Loktevskii Mine), Upper Loktevka River, Rudnyi Altai, Altaiskii Krai, Western-Siberian Region, Russia
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