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Borcarite & Szaibélyite

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SKY905249

Borcarite & Szaibélyite

Rare Mineral

Description Tabs

Description
Locality: 
Nalednoe B Deposit, Tas-Khayakhtakh Range, Dogdo River, Polar Yakutia, Sakha Republic, Russian Federation
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2 × 1.7 cm
Description

Pale aqua color crystal aggregates of the rare boron mineral borcarite in a white szaibelyite matrix. Yellow mineral is unknown.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Borcarite

Formula: 
Ca4Mg(B4O6(OH)6)(CO3)2
Strunz: 
6.DA.40
Hardness: 
4.0
Type Locality: 
Snezhnoe B oreoccurrence, Izvestkovyi Stream, Titovskoe B deposit, Tas-Khayakhtakh Range, Dogdo River Basin, Polar Yakutia, Sakha Republic (Saha Republic; Yakutia), Eastern-Siberian Region, Russia

Szaibélyite

Formula: 
MgBO2(OH)
Strunz: 
6.BA.15
Crystal System: 
Monoclinic
Hardness: 
3.0 - 3.5
Streak: 
White
Type Locality: 
Băiţa Mining District (Baita Bihor; Rézbánya), Nucet, Bihor Co., Romania

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