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Takedaite & Olshanskyite

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SKY1033432

Takedaite & Olshanskyite

Type Locality

Description Tabs

Description
Locality: 
Fuka Mine, Bitchu-cho, Takahashi, Honshu Island, Japan
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.5 × 0.7 cm
Description

White crystal group of takedaite & olshonskyite from the TL and only known locality for takedaite in Fuka mine, Japan.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

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

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

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12
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Start 24 May 18:00
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Rest of the World
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