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Giniite & Purpurite

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SER209112

Giniite & Purpurite

Type Locality

Description Tabs

Description
Locality: 
Sandamap Pegmatite, Sandamap North Farm 115, Dâures, Erongo Region, Namibia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2 × 0.8 cm
Description

Tiny black, lustrous crystals of giniite with minor tavorite and purple, massive purpurite

Mineral Data
What's on the rock

Giniite

Formula: 
Fe2+Fe3+4(PO4)3(OH)5·2H2O
Strunz: 
8.DB.50
Hardness: 
3.0 - 4.0
Type Locality: 
Sandamap pegmatite (Sandamab pegmatite), Sandamap North Farm 115 (Sandamab), Usakos, Karibib District, Erongo Region, Namibia

Purpurite

Formula: 
(Mn3+,Fe3+)PO4
Strunz: 
8.AB.10
Hardness: 
4.0 - 4.5
Type Locality: 
Faires Mine, Kings Mountain, Gaston Co., North Carolina, USA