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Vesuvianite with Grossular

#PD48079

Vesuvianite with Grossular

#PD48079
Availability
Sold
Size
10 x 5 x 6 cm - Cabinet 
Formula
(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 (RRUFF)
Locality
Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy

This is mostly a crystalline mass of Grossular. But the voids contain 3-6mm crystals of Vesuvianite. Ex. Geological Intitute - University of Amsterdam.

Antique Specimen, Type Locality

Vesuvianite

Formula
(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 
Crystal System
Tetragonal 
Crystal Habit
Massive, Columnar, Granular 
Cleavage
Indistinct, Indistinct, Indistinct 
Luster
Vitreous - Resinous 
Color
blue, brown, green, yellow, white 
Streak
white 
Class
Tetragonal - Dipyramidal 
Fracture
Sub Conchoidal 
Hardness
6.5 

Data courtesy of Webmineral.

Collection
Don Phillips Collection
Special Info
Antique Specimen
Special Info
Type Locality

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