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Roweite Olshanskyite Cuspidine & Calcite

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PMN687479

Roweite Olshanskyite Cuspidine & Calcite

Description Tabs

Description
Locality: 
Shijiangshan Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 5 × 5 cm
Largest Crystal: 
1.50cm
Weight: 
45.00gr
Description

Miniature with a range of borate minerals on the disctinctive matrix consisting of a mix green andradite and minor white johnbaumite. The olshanskyite spray sits on calcite next to good roweite and a small cluster of cuspidine.
From the 2017 find that re-defined the standard for olshanskyite. Read all about this mine and it's minerals in Lapis magazine.
We do combine shipping - just let us know!

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

Cuspidine

Formula: 
Ca4(Si2O7)(F,OH)2
Strunz: 
9.BE.17
Hardness: 
5.0 - 6.0
Streak: 
White
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White