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Pentahydroborite

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HCH623172

Pentahydroborite

Description Tabs

Description
Locality: 
Fuka Mine, Bitchu-cho, Takahashi, Honshu Island, Japan
Class: 
Massive/Crystalline
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.5 × 0.5 cm
Description

Single brown speciem of this rare mineral without other matrix.

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...

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