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Aurichalcite Hydrozincite & Hemimorphite

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PCZ725722

Aurichalcite Hydrozincite & Hemimorphite

Description Tabs

Description
Locality: 
Golconda Mine, Hopton, Derbyshire, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.7 × 4.5 × 3.3 cm
Description

Radiating sprays of colourful aurichalcite with hydrozincite and hemimorphite sprays matrix. An interesting specimen from a rarely seen British locality.

 

Matrix: 
Baryte/Gossan
Condition
General: 
Excellent - locality specimen
Main Display: 
Good - some peripheral damage
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

Hydrozincite

Formula: 
Zn5(CO3)2(OH)6
Strunz: 
5.BA.15
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Bad Bleiberg, Bleiberg District, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria

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
Peter Crozier Minerals