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Xanthoxenite Natrodufrénite & Apatite

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PJM107297

Xanthoxenite Natrodufrénite & Apatite

Description Tabs

Description
Locality: 
Toms Phosphate Quarry, Kapunda, South Australia, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 4.4 × 3.2 cm
Description

A nice handsized specimen pf phosphatic matrix richly encrustyed with botyroidal appatite over which yellowish xanthoxenite bladed crystals have formed and on to which black natrodufrenite has formed. Large amounts of dark olive green dufrenite also coats the apatite

Mineral Data
What's on the rock

Xanthoxenite

Formula: 
Ca4Fe3+2(PO4)4(OH)2·3H2O
Strunz: 
8.DH.40
Crystal System: 
Triclinic
Hardness: 
2.5
Type Locality: 
Hühnerkobel Mine (Hennenkobel Mine), Rabenstein, Zwiesel, Lower Bavaria, Bavaria, Germany

Natrodufrénite

Formula: 
NaFe2+Fe3+5(PO4)4(OH)6·2H2O
Strunz: 
8.DK.15
Hardness: 
3.5 - 4.5
Type Locality: 
Pluherlin Castle, Rochefort-en-Terre, Morbihan, Brittany, France

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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