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Crandallite On Minyulite & Fluellite

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PJM81534

Crandallite On Minyulite & Fluellite

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Toms Phosphate Quarry, Kapunda, South Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 4.4 × 1.8 cm
Description

A flat plate of phosphatic gossan is completely covered with blocky fluellite crystals and acicular prisms of minyulite. Both minerals are glassy and clear and have a rich coverage of white crandallite

Mineral Data
What's on the rock

Crandallite

Formula: 
CaAl3(PO4)2(OH)5·H2O
Strunz: 
8.BL.10
Crystal System: 
Trigonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Brooklyn Mine, Silver City, Tintic District, East Tintic Mts, Juab Co., Utah, USA

Minyulite

Formula: 
KAl2(PO4)2(OH,F)·4H2O
Strunz: 
8.DH.05
Crystal System: 
Orthorhombic
Hardness: 
3.5
Type Locality: 
Minyulo Well, Dandaragan, Dandaragan Shire, Western Australia, Australia

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
Earthstones Australia

Seller Information

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All goods must be paid for prior to shipping, all bids are binding.