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Bismuthinite

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MMM30360

Bismuthinite

Description Tabs

Description
Locality: 
Fowey Consols, Tywardreath, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 5 × 2.5 cm
Largest Crystal: 
1.40cm
Description

Old time specimen of bismuthinite displaying a good coverage of free standing bright metallic crystals to 1.4 cm all over the quartz matrix.

An excellent example for this locality.

Mineral Data
What's on the rock

Bismuthinite

Formula: 
Bi2S3
Strunz: 
2.DB.05
Hardness: 
2.0 - 2.5
Streak: 
Lead-gray