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Gorceixite Psm Wavellite On Apatite

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PJM141598

Gorceixite Psm Wavellite On Apatite

Description Tabs

Description
Locality: 
Moculta Phosphate Quarry, Angaston, Barossa Valley, Mount Lofty Ranges, South Australia, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 3.1 × 2.1 cm
Description

Beautiful ivory coloured pseudomorphs of sparkling gorceixite after wavellite with botyroidal off white apatite and associated with reddish robertsite like species that may prove to be a new species.

Mineral Data
What's on the rock

Gorceixite

Formula: 
BaAl3(PO4)2(OH)5·H2O
Strunz: 
8.BL.10
Crystal System: 
Hexagonal
Hardness: 
6.0
Streak: 
White
Type Locality: 
Ouro Preto, Iron Quadrangle, Minas Gerais, Brazil

Wavellite

Formula: 
Al3(PO4)2(OH,F)3·5H2O
Strunz: 
8.DC.50
Hardness: 
3.5 - 4.0
Streak: 
White.
Type Locality: 
High Down Quarry, Filleigh, North Devon, Devon, England, UK

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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