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  

Chalcocite

#RW51204

Chalcocite

#RW51204
Availability
Sold
Size
13 x 7 x 5 cm - Cabinet 
Formula
Cu2S (RRUFF)
Locality
Flambeau mine, Ladysmith, Rusk Co., Wisconsin, United States
Tagged
sulfide , copper , ore specimen

Large specimen full of stacked Chalcocite crystals with a black to iridescent blue color.

Chalcocite

Formula
Cu2
Crystal System
Monoclinic 
Crystal Habit
Massive, Granular, Euhedral Crystals 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
blue black, gray, black, black gray, steel gray 
Streak
grayish black 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
2.5-3 

Data courtesy of Webmineral.

Collection
Robert J. Waidler Collection

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