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0 item @ $0.00  

Stannite

#50344

Stannite

#50344
Availability
Sold
Size
11 x 9 x 5.5 cm - Cabinet 
Formula
Cu2FeSnS4 (RRUFF)
Locality
Cligga mine, Perranzabuloe, Cornwall, England
Tagged
sulfide , copper , tin

A fantastic specimen of Stannite with alterations to Azurite. The Stannite is a vein and is massive, thick (4cm) dark grey with iridescence and bordered along the host by a form of Muscovite known as "gilbertite". It was collected by J. A. Jones in 1968 from this famous Cornish locality.

Stannite

Formula
Cu2FeSnS4 
Crystal System
Tetragonal 
Crystal Habit
Massive - Granular, Crystalline - Fine 
Cleavage
Imperfect, None, None 
Luster
Metallic 
Color
blue, grayish black, steel gray 
Streak
black 
Class
Tetragonal - Scalenohedral 
Fracture
Uneven 
Hardness
3.5-4 

Data courtesy of Webmineral.

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