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Pentahydroborite

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CAM192942

Pentahydroborite

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Description
Locality: 
Shijiangshan Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.4 × 1.4 cm
Largest Crystal: 
0.40cm
Description

A cluster of sharp, colourless, transparent tabular crystals of pentahydroborite on a small amount of matrix.
Very good for this uncommon borate.

Mineral Data
What's on the rock

Pentahydroborite

Formula: 
CaB2O(OH)6·2H2O
Strunz: 
6.BB.10
Hardness: 
2.5
Type Locality: 
Novofrolovskoye B-Cu deposit, Turjinsk, Turya river, Krasnoturjinsk (Bogolovsk; Krasnotur'insk; Krasnoturyinsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...
Cartils Minerals

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