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Calamine

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NST730956

Calamine

Description Tabs

Description
Locality: 
Tiefbau von Hövel Mine, Iserlohn, Sauerland, North Rhine - Westphalia, Germany
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 3.7 × 2.5 cm
Description

A fine historic example of earthy brown Calamine from an ancient zinc mine, abandoned in 1900,  nowadays located within the city of Iserlohn.

Mineral Data
What's on the rock

Calamine

Synonym Of: 

Hemimorphite

Formula: 
Zn4Si2O7(OH)2·H2O
Strunz: 
9.BD.10
Hardness: 
4.5 - 5.0

Hydrozincite

Formula: 
Zn5(CO3)2(OH)6
Strunz: 
5.BA.15
Hardness: 
2.0 - 2.5

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5