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Bustamite

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CR638697

Bustamite

Rare Mineral

Description Tabs

Description
Locality: 
Broken Hill, New South Wales, Australia
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.5 × 3.5 cm
Largest Crystal: 
1.80cm
Description

Beautiful redbrown intergrown bustamite crystals with minor sphalerite.

Very rich and good old specimen.

 

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