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Bustamite & Native Sulphur

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CLB590771

Bustamite & Native Sulphur

Description Tabs

Description
Locality: 
Grosseto Province, Tuscany, Italy
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 5.4 × 3.7 cm
Description

Bustamite (forming a series with wollastonite?) with native sulphur.

The only time I've seen a specimen like this. I can't say anything about the exact locality.

Mineral Data
What's on the rock

Bustamite

Formula: 
CaMn2+(Si2O6)
Strunz: 
9.DG.05
Hardness: 
5.5 - 6.5
Streak: 
White
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Sulphur

Formula: 
S8
Strunz: 
1.CC.05
Crystal System: 
Orthorhombic
Hardness: 
1.5 - 2.5

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