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Calamine

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TRN779784

Calamine

Classic Locality

Description Tabs

Description
Locality: 
Cornwall, United Kingdom
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 7 × 7 cm
Description

Botriyodal silky white "Calamine" (most likely smithsonite).  Listed as being from Par so possibly from Fowey Consols mine. Displays well the massive crystalline mass is on Kilas host rock.

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

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