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  

Bornite in Rhyolite

#30636

Bornite in Rhyolite

#30636
Availability
Sold
Size
13 x 3 x 9 cm - Cabinet 
Formula
Unavailable
Locality
Nevada mine, Whetstone Mountains, Cochise Co., Arizona, United States

This is a really neat specimen of banded Rhyolite with 2-5mm seams of platy blue crystalline Bornite. This piece actually gave us the idea for an Ore Specimen Special Edition and is just a really interesting piece!
Unfortunately I couldn't find any good resources on this particular mine, but I'm sure it's out there somewhere and I'd definitely be interested in the geologic processes that formed a mineralized banded Rhyolite like thi

Bornite

Formula
Cu5FeS4 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Granular, Reniform, Granular 
Cleavage
Imperfect, None, None 
Luster
Metallic 
Color
copper red, bronze brown, purple 
Streak
grayish black 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness

Data courtesy of Webmineral.

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

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