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Roweite & Olshanskyite

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PMN674261

Roweite & Olshanskyite

Description Tabs

Description
Locality: 
Shijiangshan Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 6 × 4.5 cm
Largest Crystal: 
1.00cm
Weight: 
60.00gr
Description

Very fine, intricate olshanskyite sits in radial balls on the sugary green andradite matrix typical for this pocket. Smaller orange roweite is showing through in areas. There are also areas of non crystalline olshanskyite in an a-typical snow white colour. Sawn base, so sits nicely without showing the sawn area. From the recent find made in 2018.

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