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Berzelianite in Calcite

#PD42137

Berzelianite in Calcite

#PD42137
Availability
Sold
Size
6 x 6 x 4.5 cm - Sm Cabinet 
Formula
Cu2-xSe (x~0.12) (RRUFF)
Locality
Skrikerum mine, Valdemarsvik, Östergötland, Sweden
Tagged
copper , selenium

Dark grey to almost black Berzelianite included in Calcite matrix. This is a nice large specimen from this occurence, the type locality. A couple of old tags come with this specimen - see prov. tab.

Type Locality

Berzelianite

Formula
Cu2-xSe (x~0.12) 
Crystal System
Isometric 
Crystal Habit
Dendritic, Disseminated, Massive 
Cleavage
None, None, None 
Luster
Metallic 
Color
bluish gray, gray, black 
Streak
shining 
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness

Data courtesy of Webmineral.

Collection
Phillips Collection
Special Info
Type Locality

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