mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

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

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2019 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map