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Johnsomervilleite

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JYJ740435

Johnsomervilleite

Description Tabs

Description
Locality: 
Malpensata Pegmatite, Piona Peninsula, Colico, Lecco Province, Lombardy, Italy
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.6 × 1.6 cm
Description

Brown johnsomervilleite from a underground pegmatite on the small peninsula Piona. 

Rare mineral. 

Mineral Data
What's on the rock

Johnsomervilleite

Formula: 
Na10Ca6Mg18Fe25(PO4)36
Strunz: 
8.AC.50
Hardness: 
4.5
Type Locality: 
Loch Quoich, North West Highlands (Inverness-shire), Scotland, UK