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Senegalite & Crandallite On Augelite

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CLB171155

Senegalite & Crandallite On Augelite

seller's own find 2007/2008
Type Locality

Description Tabs

Description
Locality: 
Mount Kourou Diakouma, Saraya, Kedougou, Senegal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 3 × 2.2 cm
Description

A small but very nice, aesthetic specimen with very well-colored, blueish geen senegalite crystals (rare) with some white crandallite spots on an augelite or turquoise crust (both possible in the same color). One of the finst of my small specimen.

Mineral Data
What's on the rock

Senegalite

Formula: 
Al2(PO4)(OH)(OH)2·H2O
Strunz: 
8.DE.05
Hardness: 
5.5
Type Locality: 
Mount Kourou Diakouma (Kouroudiako), Saraya, Falémé River basin, Tambacounda Region, Senegal

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

Augelite

Formula: 
Al2(PO4)(OH)3
Strunz: 
8.BE.05
Crystal System: 
Monoclinic
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Västanå Iron Mine (Westanå Mine), Näsum, Bromölla, Skåne, Sweden

Seller Information

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