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Kësterite

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Kësterite

Description Tabs

Description
Locality: 
Cligga Mine, Perranzabuloe, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 0.8 × 0.4 cm
Description

Grey metallic kësterite crystals on matrix from the Cligga mine, Cornwall, UK. 

Specimen is dated to the year 1980. 

 

Mineral Data
What's on the rock

Kësterite

Formula: 
Cu2(Zn,Fe)SnS4
Strunz: 
2.CB.15a
Hardness: 
4.5
Streak: 
Black
Type Locality: 
Këster Deposit (Kester Deposit), Arga-Ynnakh-Khaya granite Massif, Yana-Adycha Region, Yana River Basin, Verkhoyansk, Sakha Republic (Saha Republic; Yakutia), Eastern-Siberian Region, Russia