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Aurichalcite & Hemimorphite

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MGR656467

Aurichalcite & Hemimorphite

Description Tabs

Description
Locality: 
Antonina Mine, Sobrado, León, Castile & León, Spain
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.4 × 6.7 × 5 cm
Description

A very eye-catching combination of well developed, lustrous aurichalcite crystals on intense, cyan green-blue hemimorphite. The contrast with dark red-brown matrix is very fine! Should be ranked high for the uncommon locality.

Mineral Data
What's on the rock

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

Hemimorphite

Formula: 
Zn4Si2O7(OH)2·H2O
Strunz: 
9.BD.10
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Băiţa Mining District (Baita Bihor; Rézbánya), Nucet, Bihor Co., Romania