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Gorceixite On Apatite

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GND33811

Gorceixite On Apatite

Rare Mineral

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: 
3 × 2.4 × 2 cm
Description

Superb radiatitng tan coloured micro crystals of gorceixite occur on a crust of white botryoidal apatite that shows a radiating structure when viewed side on. These minerals are best viewed with magnification. The Moculta quarry closed in 1985.

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

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
Gondwana Minerals