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Tapiolite & Graftonite

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SER867655

Tapiolite & Graftonite

Description Tabs

Description
Locality: 
Piona Peninsula, Colico, Lecco Province, Lombardy, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.5 × 2 cm
Description

a black, lustrous tapiolite crystal in pagmatite with a nodule of pink graftonite

Mineral Data
What's on the rock

Graftonite

Formula: 
(Fe2+,Mn2+,Ca)3(PO4)2
Strunz: 
8.AB.20
Hardness: 
5.0
Type Locality: 
Melvin Mountain, Grafton, Grafton Co., New Hampshire, USA