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Vesuvianite

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PCZ663333

Vesuvianite

Description Tabs

Description
Locality: 
Gweebarra River, Lettamackaward, County Donegal, Irish Republic (Eire)
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4.5 × 4 cm
Description

Brown reflective vesuvianite sections in matrix with calcite. From a rarely seen locality.

Mineral Data
What's on the rock

Vesuvianite

Formula: 
(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Strunz: 
9.BG.35
Hardness: 
6.5
Streak: 
White
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy
Peter Crozier Minerals