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Montgomeryite On Variscite

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PJM133712

Montgomeryite On Variscite

Description Tabs

Description
Locality: 
Redhouse Barite Mine, Potosi District, Humboldt County, Nevada, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3 × 1.9 cm
Description

Glassy clear bladed crystals of montgomeryite; an uncommon phosphate with pale blue green veins of shallow cavities lined with botyroidal variscite

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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