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0 item @ $0.00  

Stannite

#22994

Stannite

#22994
Availability
Sold
Size
5 x 4 x 4 cm - Miniature 
Formula
Cu2FeSnS4 (RRUFF)
Locality
Yaogangxian mine, Chenzhou, Hunan prov., China
Notes
Discounts/Promos do NOT apply to this item
Tagged
Holiday Sale

Though not common worldwide, Stannite in crystals were very hard to come by until the discovery several years ago from the Yaogangxian mine. This specimen exhibits amazingly large crystals to 2cm on matrix associated with a little Galena and Quartz. It will not be long when this source dries up completely. The color as shown in the photos is a little less intense bronzy-gold in hand.

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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