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Roweite & Johnbaumite

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BCK737317

Roweite & Johnbaumite

Rare Mineral

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: 
7.1 × 5.7 × 4.5 cm
Description

You are bidding on a large sample with large clusters of roweite crystals on matrix with a small cluster of white johnbaumite crystals on garnet/magnetite skarn matrix. 

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

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

Seller Information

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