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Hemimorphite & Aurichalcite

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PJM82341

Hemimorphite & Aurichalcite

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Block 14 Opencut, Broken Hill, Yancowinna County, New South Wales, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.7 × 1.7 cm
Description

Glassy clear balls of hemimorphite to together with mats of pale blue to almost white silky aurichalcite on a gossan matrix from the Block 14 Opencut at Broken Hill. Collected in the early 1990's

Mineral Data
What's on the rock

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

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
Earthstones Australia

Seller Information

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