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Bertossaite & Burangaite

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SMM677188

Bertossaite & Burangaite

Type Locality
Rare Mineral

Description Tabs

Description
Locality: 
Buranga Pegmatite, Gatumba District, Western Province, Rwanda
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.2 × 1 cm
Description

Good sample with more species of rare phosphates. 

Bertossaite is a rare calcium-rich, lithium phosphate, it's the crystalline, faintly pink portions of this sample, blue burangaite, dark-green gormanite. Bertossaite and burangaite are rare and having been found at only a handfull of localities worldwide, the sample come from their type-locality.

Boxed with Label
Mineral Data
What's on the rock

Bertossaite

Formula: 
(Li,Na)2(Ca,Fe2+,Mn2+)Al4(PO4)4(OH,F)4
Strunz: 
8.BH.25
Crystal System: 
Orthorhombic
Hardness: 
6.0
Colour: 
Pale pink
Type Locality: 
Buranga pegmatite, Gatumba District, Western Province, Rwanda

Burangaite

Formula: 
NaFe2+Al5(PO4)4(OH)6·2H2O
Strunz: 
8.DK.15
Hardness: 
0.0
Type Locality: 
Buranga pegmatite, Gatumba District, Western Province, Rwanda

Seller Information

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