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Francolite

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ESM594143

Francolite

Description Tabs

Description
Locality: 
Levant Mine, Pendeen, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2 × 3.5 × 2.5 cm
Description

Lustrous brown prismatic francolite crystals on matrix

Mineral Data
What's on the rock

Francolite

Variety Of: 

Carbonate-rich Fluorapatite

Formula: 
Ca5(PO4,CO3)3(F,O)
Strunz: 
8.BN.05
Hardness: 
5.0