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  

Cobaltite

#PD34278

Cobaltite

#PD34278
Availability
Sold
Size
3 x 6 x 6.5 cm - Sm Cabinet 
Formula
CoAsS (RRUFF)
Locality
Cobalt-Gowganda dist., Ontario, Canada
Tagged
sulfide

Large >1cm silvery-gray Cobaltite crystals in a thick seam in matrix that has been cut and lightly polished to show the form and relationship of the metallic minerals. There are some more reflective metallics interstitially between the larger Cobaltite crystals that may be Silver or another related Sulfide.

Also, this piece comes with a label from Wayne DeBrusk of 'The Rare Earth', a mineral dealer out of Onaping, Ontario.

For more information on the mining history and severe environmental concerns in the Cobalt district check out http://www.cobaltmininglegacy.ca/index.php, a really great website with an abundance of great info on this important Silver district in North America.

Cobaltite

Formula
CoAsS 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Granular, Striated, Granular 
Cleavage
Good, Good, Good 
Luster
Metallic 
Color
reddish silver white, violet steel gray, black 
Streak
grayish black 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
5.5 

Data courtesy of Webmineral.

Collection
Phillips Collection

Wayne DeBrusk label

Mineralpedia
View Cobaltite
On Dakota Matrix
Previously Sold Cobaltite
On Dakota Matrix
Other Available Cobaltite
WebMineral
View Cobaltite
Mindat
View Cobaltite

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