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Dufrénite

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SUR28518

Dufrénite

Description Tabs

Description
Locality: 
Wheal Phoenix, Linkinhorne, Cornwall, United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 1.5 × 1.5 cm
Description

A limonitic matrix is host to numerous pockets of sea green botryoidal dufrenite.

Really nice colour for the species, reminiscent of dioptase.

Mineral Data
What's on the rock

Dufrénite

Formula: 
Ca0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O
Strunz: 
8.DK.15
Hardness: 
3.5 - 4.5
Streak: 
Green
Type Locality: 
Anglar, Haute-Vienne, Limousin, France
Surrey Minerals