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Vesuvianite & Pyrrhotite

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RFJ1037118

Vesuvianite & Pyrrhotite

Classic Locality

Description Tabs

Description
Locality: 
Iwato Mine, Toroku Mine, Takachiho, Nishiusuki, Miyazaki Prefecture, Kyushu Region, Japan
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.7 × 3.2 cm
Description

Interesting specimen, the Vesuvianite crystals grew in Pyrrhotite.

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

Pyrrhotite

Formula: 
Fe1-xS (x = 0 to 0.17)
Strunz: 
2.CC.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

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