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Roweite & Olshanskyite

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PMN626680

Roweite & Olshanskyite

New Discovery

Description Tabs

Description
Locality: 
Shijiangshan Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 8 × 4 cm
Largest Crystal: 
1.50cm
Weight: 
274.00gr
Description

A large piece of mostly olshanskyite with contrasting bright orange roweite and some andradite matrix. Very glassy, bright lustrous olshanskyite. Minor but still good johnbaumite present.  A showy specimen for the 2017 find.

Mineral Data
What's on the rock

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