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Fluellite & Apatite

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PJM43162

Fluellite & Apatite

Description Tabs

Description
Locality: 
Toms Phosphate Quarry, Kapunda, South Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
1.8 × 6.3 × 4.3 cm
Description

A deep coffee brown specimen of minyulite from Toms Quarry.

The underlaying matrix is a deep coffee coloured phosphatic gossan, the gemmy clear minyulite crystals therefore appear brown rather than colourless, At one end of the specimen sugary apatite crystallised balls add a translucent milky coffee colour. The apatite have stacked up to form small stalactites.

Mineral Data
What's on the rock

Fluellite

Formula: 
Al2(PO4)F2(OH)·7H2O
Strunz: 
8.DE.10
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Stenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, St Austell District, Cornwall, 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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