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Hemimorphite

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RPL674510

Hemimorphite

Classic Locality

Description Tabs

Description
Locality: 
Sa Duchessa Mine, Oridda, Domusnovas, Carbonia-Iglesias Province, Sardinia, Italy
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 3 cm
Largest Crystal: 
0.00cm
Weight: 
60.00gr
Description

A folded bed of mamillated deep blue hemimorphite on a granular and brecciated, light tan calcareous matrix which is shot through with veins of light blue hemimorphite. The display face has a concave surface that forms a shallow vug of roughly 5 x 3.5 cm. The entire surface of the vug is encrusted with a 3 to 5 mm thick layer of hemimorphite, as botryoidal mounds to 1 cm across.  

Has three previous labels.

Previous labels supplied (not photographed)
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

Seller Information

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