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Parasibirskite & Olshanskyite

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CSL565504

Parasibirskite & Olshanskyite

Type Locality

Description Tabs

Description
Locality: 
Fuka Mine, Bitchu-cho, Takahashi, Honshu Island, Japan
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 0.8 × 0.5 cm
Description

Good piece of two very rare calcium-borate minerals. White mass of parasibirskite intermixed with olshanskyite. Fuka Mine is the Type and only locality for Parasibirskite.

Mineral Data
What's on the rock

Parasibirskite

Formula: 
Ca2(B2O5)·H2O
Strunz: 
6.BC.20
Crystal System: 
Monoclinic
Hardness: 
3.0
Colour: 
White
Streak: 
White
Type Locality: 
Fuka mine, Fuka, Bicchu-cho (Bitchu-cho), Takahashi City, Okayama Prefecture, Chugoku Region, Honshu Island, Japan

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
Loranth Minerals

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