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Volkovskite

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GFM617133

Volkovskite

Rare Mineral

Description Tabs

Description
Locality: 
Boulby Mine, Loftus, North Yorkshire, United Kingdom
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.5 × 0.3 cm
Description

orange to colorless bright luster tabular crystals. Nice specimen from a old find

Mineral Data
What's on the rock

Volkovskite

Formula: 
KCa4[B5O8OH]4[B(OH)3]2Cl·4H2O
Strunz: 
6.EC.20
Hardness: 
2.5
Type Locality: 
Inder B deposit and salt dome, Atyrau (Gur'yev), Atyrau Province (Atyrau Oblysy; Atyrau Oblast'), Kazakhstan...