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Lipscombite & Beraunite

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PDM657670

Lipscombite & Beraunite

Description Tabs

Description
Locality: 
Anloua, Adamaoua Plateau, Adamaoua Region, Cameroon
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 3 × 1.8 cm
Description

Dark grey to black lipscombite associated to reddish beraunite crystals. Very uncommon locality for the species, it was an Ex. BRGM (Bureau de Recherches Géologiques et Minières), the Geological Service of France.

With previous label, it was acquired in 1992 by PhD Geologist Bob Janssens (specimen #750).

Mineral Data
What's on the rock

Lipscombite

Formula: 
Fe2+Fe3+2(PO4)2(OH)2
Strunz: 
8.BB.90
Hardness: 
0.0
Type Locality: 
Sapucaia Mine (Proberil mine), Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Brazil

Beraunite

Formula: 
Fe2+Fe3+5(PO4)4(OH)5·6H2O
Group Parent: 
Beraunite Group
Strunz: 
8.DC.27
Crystal System: 
Monoclinic
Hardness: 
3.0 - 4.0
Type Locality: 
Hrbek Mine, Svatá Dobrotivá (St Benigna), Beroun (Beraun), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic

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