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Willemite & Chrysocolla

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RHT718461

Willemite & Chrysocolla

ex collection Holger Engelmohr
Classic Locality

Description Tabs

Description
Locality: 
Ojuela Mine, Mapimi, Durango, Mexico
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 5.2 × 4.9 cm
Weight: 
224.00gr
Description

Creay white willeite crystals, partly colored by chrysocolla and/or other copper minerals.

Better in nature.

Mineral Data
What's on the rock

Willemite

Formula: 
Zn2SiO4
Strunz: 
9.AA.05
Hardness: 
5.5
Streak: 
White
Type Locality: 
Vieille Montagne (Altenberg; Kelmisberg), Moresnet, Kelmis, Plombières-Vieille Montagne District (Plombières-Altenberg), Verviers, Liège Province, Belgium

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5
Not Sold
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