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  

Mixed Minerals

Sunday, 21 February 2021 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including maskelynite, and sphalerite and more from places like Manicouagan Crater, Mont de Bablel, Quebec, Canada, and Picher, Tri-State Dist., Oklahoma, United States.

Maskelynite

#54988
Locality
Manicouagan Crater, Mont de Bablel, Quebec, Canada 
Availability
Sold
Size
6 x 4 x 1 cm - Sm Cabinet 

Not an IMA approved mineral as it is actually a fused product of a meteorite fall. It is essentially a glassy pseudomorph after plagioclase. A document can be found in the American Mineralogist Jan-Feb V52.


Sphalerite

with Chalcopyrite - #WR55185
Locality
Picher, Tri-State Dist., Oklahoma, United States 
Formula
ZnS 
Availability
Available
Price
$75.00
Size
9 x 6 x 4.5 cm - Sm Cabinet 
Tagged
sulfide  

Large deep red Sphalerite crystals with greasy luster to 2cm. In strong lighting the reds and yellowish green colors of the Sphalerite come alive. On the Sphalerite crystals are epitaxial Chalcopyrite crystals to 3mm. 


Sphalerite

Formula
ZnS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Granular, Colloform 
Cleavage
Perfect, Perfect, Perfect 
Luster
Resinous - Greasy 
Color
brown, yellow, red, green, black 
Streak
brownish white 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Willard L. Roberts Collection

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2021 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map