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Vesuvianite Garnet

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PCZ793868

Vesuvianite Garnet

Classic Locality

Description Tabs

Description
Locality: 
Sierra de Cruces, Sierra Mojada Municipality, Coahuila, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 5.1 × 3.6 cm
Description

 Please note that this specimen came to me from a German dealer with the following description. 'Lustrous, sharp terminated vesuvianite crystals  on contrasting matrix, with high luster and nice browny green color.'

I believe that it may be grossular garnet. If it however is Vesuvianite the 2.2 cm main crystal is large for the locality. A low starting bid reflects the uncertainty.

 

Pasted Label
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