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Bermanite & Apatite

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PJM41288

Bermanite & Apatite

Description Tabs

Description
Locality: 
Moculta Phosphate Quarry, Angaston, Barossa Valley, Mount Lofty Ranges, South Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 6.8 × 5.1 cm
Description

Reddish brown bermanite druses have grown over a stark white matrix of botyroidal apatite, a second generation of apatite has formed as clear balls of radiating crystals and in many areas the bermanite can be seen under the apatite where it appears to have acted as a seed for the apatite. Much of the clear apatite has taken on a soft yellow hue due to bermanite incusions

Mineral Data
What's on the rock

Bermanite

Formula: 
Mn2+Mn3+2(PO4)2(OH)2·4H2O
Strunz: 
8.DC.20
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
7U7 Ranch (7-U-7 Ranch), Bagdad Mine area, Hillside, Eureka District, Yavapai Co., Arizona, USA

Apatite

Synonym Of: 

Chlorapatite

Formula: 
Ca5(PO4)3Cl
Strunz: 
8.BN.05
Hardness: 
5.0

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Hardness: 
5.0

Hydroxylapatite

Formula: 
Ca5(PO4)3(OH)
Strunz: 
8.BN.05
Hardness: 
5.0
Crystal System: 
Hexagonal
Hardness: 
5
Earthstones Australia

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