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Olshanskyite With Roweite

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PMN643416

Olshanskyite With Roweite

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: 
6 × 9.5 × 3 cm
Largest Crystal: 
1.00cm
Weight: 
74.00gr
Description

Nice plate (sawn base) of sharp olshanskyite (rare borate mineral)sprays on a matrix riddled with calcite, andradite and roweite - a lot ot explore on this piece that is a very representative specimen from the now well know find of 2017 that set a new standard for size and quality of both roweite and olshanskyite. other items in this auction are good for roweite, this one mainly olshanskyite, very clean and lustrous in person,

Mineral Data
What's on the rock

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

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