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Roweite & Johnbaumite

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PMN626678

Roweite & Johnbaumite

New Discovery

Description Tabs

Description
Locality: 
Shijiangshan Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 4.5 × 2 cm
Largest Crystal: 
1.00cm
Weight: 
38.00gr
Description

One of the highlights of this auction and big news as if the roweite wasn't news enough, Great white well formed johnbaumite crystals are all over this piece and form a nice contrast with the orange roweite. Some olshanskyite present as well as the unidentified pearly white mineral. 

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