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Olshanskyite Roweite Johnbaumite On Andradite

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PMN626681

Olshanskyite Roweite Johnbaumite On Andradite

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Description Tabs

Description
Locality: 
Shijiangshan Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
7 × 12 × 7 cm
Largest Crystal: 
1.30cm
Weight: 
650.00gr
Description

The olshanskyite adventure, a combination specimen from the 2017 find that stands out for the quality olshanskyite sprays and contrasting roweite but it is also a good example of the andradite and to top it off it has some good johnbaumite crystal, although these are a bit hidden from display. A lot to discover on this fine piece that is in excellent condition.

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

Johnbaumite

Formula: 
Ca5(AsO4)3OH
Strunz: 
8.BN.05
Hardness: 
4.5
Streak: 
White
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway
Video

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