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Montgomeryite & Tavorite

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SER149303

Montgomeryite & Tavorite

Description Tabs

Description
Locality: 
Sandamap Pegmatite, Sandamap North Farm 115, Dâures, Erongo Region, Namibia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.6 × 2.4 cm
Description

Some red montgomeryite crystals on light green tavorite and minor black barbosalite

Mineral Data
What's on the rock

Montgomeryite

Formula: 
Ca4MgAl4(PO4)6(OH)4·12H2O
Strunz: 
8.DH.25
Hardness: 
4.0
Type Locality: 
Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA

Tavorite

Formula: 
LiFe3+(PO4)(OH)
Strunz: 
8.BB.05
Crystal System: 
Triclinic
Hardness: 
5.0
Type Locality: 
Sapucaia Mine (Proberil mine), Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Brazil