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Uralborite

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SKY692825

Uralborite

Rare Mineral

Description Tabs

Description
Locality: 
Fuka Mine, Bitchu-cho, Takahashi, Honshu Island, Japan
Class: 
Crystal Group/Cluster
Size Range: 
Micromount (under 1cm)
Size: 
0.2 × 0.1 × 0.1 cm
Description

Two small crystal groups of the very rare borate mineral uralborite from one of the only two known localities worldwide.

Mineral Data
What's on the rock

Uralborite

Formula: 
Ca2[B3O3(OH)5·OB(OH)3]
Strunz: 
6.DA.35
Crystal System: 
Monoclinic
Hardness: 
4.0
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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