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Senegalite & Turquoise

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SKY704415

Senegalite & Turquoise

Type Locality

Description Tabs

Description
Locality: 
Mount Kourou Diakouma, Saraya, Kedougou, Senegal
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.4 × 0.8 cm
Description

Outstanding senegalite crystals from the type locality and only one of the four localities known worldwide, and associated to blue turquoise.

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

Turquoise

Formula: 
Cu(Al,Fe3+)6(PO4)4(OH)8·4H2O
Strunz: 
8.DD.15
Crystal System: 
Triclinic
Hardness: 
5.0 - 6.0

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