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Hotsonite

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GFM613605

Hotsonite

Type Locality

Description Tabs

Description
Locality: 
Hotson 6 Mine, Koenabib Farm, Bushmanland, Northern Cape Province, South Africa
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 2.4 × 1.4 cm
Description

white vein-like massive 5 mm aggregates in weathering sillimanite-muscovite rock. The white vein-like aggregates are a mixture of hotsonite and natroalunite. Very good specimens of this rare al-phosphate

Mineral Data
What's on the rock

Hotsonite

Formula: 
Al11(SO4)3(PO4)2(OH)21·16H2O
Strunz: 
8.DF.05
Hardness: 
2.5 - 0.0
Colour: 
white
Type Locality: 
Hotson 6 Mine, Koenabib farm (Hotson 42 farm), Bushmanland, Northern Cape Province, South Africa