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Lacroixite Berlinite & Burangaite

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BCK511127

Lacroixite Berlinite & Burangaite

Type Locality

Description Tabs

Description
Locality: 
Buranga Pegmatite, Gatumba, Ngororero District, Western Province, Rwanda
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.2 × 0.5 cm
Description

You are bidding on a small specimen with pale blue masses of rare lacroixite with intermixed colorless berlinite and tiny dark blue crystals of burangaite. Three rare phosphates together!

Mineral Data
What's on the rock

Lacroixite

Formula: 
NaAl(PO4)F
Strunz: 
8.BH.10
Crystal System: 
Monoclinic
Hardness: 
4.5
Streak: 
White
Type Locality: 
Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Berlinite

Formula: 
AlPO4
Strunz: 
8.AA.05
Crystal System: 
Hexagonal
Hardness: 
6.5
Streak: 
white
Type Locality: 
Västanå Iron Mine (Westanå Mine), Näsum, Bromölla, Skåne, Sweden

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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