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Montgomeryite On Ferroan Variscite

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PJM109480

Montgomeryite On Ferroan Variscite

Description Tabs

Description
Locality: 
Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 2.4 × 1.9 cm
Description

Off white tuffed sprays of theuncommon  phosphate mineral montgomeryite on cranberry red crystals of ferroan variscite, collected from a one off find in 1981 at the Iron Monarch Opencut

Mineral Data
What's on the rock

Montgomeryite

Formula: 
Ca4MgAl4(PO4)6(OH)4·12H2O
Strunz: 
8.DH.25
Hardness: 
4.0
Type Locality: 
Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA

Variscite

Formula: 
AlPO4·2H2O
Strunz: 
8.CD.10
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.5
Streak: 
White
Type Locality: 
Meßbach Quarry, Meßbach, Plauen, Vogtland, Saxony, Germany
Earthstones Australia

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