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0 item @ $0.00  

Bournonite

#51590

Bournonite

#51590
Availability
Available
Price
$45.00
Size
6 x 6.5 x 4.5 cm - Sm Cabinet 
Formula
CuPbSbS3 (RRUFF)
Locality
Herodsfoot mine, Liskeard, Cornwall, England
Tagged
sulfide , copper

2-3mm twinned crystals to Bournonite in open-fracture lined with drusy Quartz. Some nice iridescence with unknown brown plates. Handsome specimen from this classic English locality know for its superb Bournonite specimens. First worked in the 1700'3 and mid 1800's.

Bournonite

Formula
CuPbSbS3 
Crystal System
Orthorhombic 
Crystal Habit
Platy, Pseudo Cubic, Cog-wheel 
Cleavage
Imperfect, None, None 
Luster
Metallic 
Color
gray, black, steel gray 
Streak
gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Sub Conchoidal 
Hardness

Data courtesy of Webmineral.

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