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  

Bournonite with Sphalerite, Pyrite

#DC30772

Bournonite with Sphalerite, Pyrite

#DC30772
Availability
Sold
Size
4.5 x 3.5 x 3 cm - Miniature 
Formula
CuPbSbS3 (RRUFF)
Locality
Cavnic, Maramures Co., Romania
Tagged
sulfide

Numerous little stout crsystals to 2mm of Bournonite showing crude to well-developed classic cogwheel twinning and deep striations on the prism faces. Associated with Pyrite and drusy Quartz and Sphalerite (most of the matrix).

Bournonite

Formula
CuPbSbS3 
Crystal System
Orthorhombic 
Crystal Habit
Platy, Pseudo Cubic, Cog-wheel 
Cleavage
Imperfect, None, None 
Luster
Metallic 
Color
gray, black, steel gray 
Streak
gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Sub Conchoidal 
Hardness

Data courtesy of Webmineral.

Collection
Cooke Collection

Related Products

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2020 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map