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Bustamite

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SHS53010

Bustamite

Description Tabs

Description
Locality: 
Treburland Mine, Altarnun, Cornwall, United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 1.5 cm
Description

A specimen of brown bustamite aggregate.

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
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