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Pentahydroborite Roweite & Olshanskyite

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BCK750294

Pentahydroborite Roweite & Olshanskyite

Rare Mineral

Description Tabs

Description
Locality: 
Shijiangshan Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.1 × 5 × 4.2 cm
Description

You are bidding on a large sample with some large bladed roweite crystals on matrix sprinkled with dozens of small, sharp pentahydroborite crystals and bladed olshanskyite. 

Mineral Data
What's on the rock

Pentahydroborite

Formula: 
CaB2O(OH)6·2H2O
Strunz: 
6.BB.10
Hardness: 
2.5
Type Locality: 
Novofrolovskoye B-Cu deposit, Turjinsk, Turya river, Krasnoturjinsk (Bogolovsk; Krasnotur'insk; Krasnoturyinsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

Roweite

Formula: 
Ca2Mn2+2B4O7(OH)6
Strunz: 
6.DA.25
Hardness: 
5.0
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

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

Seller Information

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