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Olshanskyite & Sibirskite & Takedaite

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HEF957136

Olshanskyite & Sibirskite & Takedaite

Description Tabs

Description
Locality: 
Fuka Mine, Bitchu-cho, Takahashi, Honshu Island, Japan
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 0.7 cm
Description

White olshanskyite with sibirskite and takedaite on matrix

Mineral Data
What's on the rock

Olshanskyite

Formula: 
Ca3[B(OH)4]4(OH)2
Strunz: 
6.CA.55
Hardness: 
4.0
Type Locality: 
Titovskoe B deposit, Tas-Khayakhtakh Range, Dogdo River Basin, Polar Yakutia, Sakha Republic (Saha Republic; Yakutia), Eastern-Siberian Region, Russia

Sibirskite

Formula: 
Ca2(HB2O5)(OH)
Strunz: 
6.BC.20
Hardness: 
0.0
Type Locality: 
Yuliya Svintsoviya deposit, Khakassia Republic (Khakassy Republic; Khakassiya Republic), Eastern-Siberian Region, Russia

Takedaite

Formula: 
Ca3[BO3]2
Strunz: 
6.AA.40
Crystal System: 
Trigonal
Hardness: 
4.5
Streak: 
White
Type Locality: 
Fuka mine, Fuka, Bicchu-cho (Bitchu-cho), Takahashi City, Okayama Prefecture, Chugoku Region, Honshu Island, Japan

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