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

Friday, 13 March 2020 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including cassiterite and more from places like Poldory Sett, United Downs, St. Day, Cornwall, England.

Cassiterite

#52440
Locality
Poldory Sett, United Downs, St. Day, Cornwall, England 
Formula
SnO2 
Availability
Available
Price
$150.00
Size
7 x 5.5 x 5.5 cm - Sm Cabinet 
Tagged
tin  

Exceptionally well formed glassy brown crystals of Cassiterite to 2mm. 


Cassiterite

Formula
SnO2 
Crystal System
Tetragonal 
Crystal Habit
Prismatic, Massive, Botryoidal 
Cleavage
Perfect, Indistinct, None 
Luster
Adamantine 
Color
brown, brownish black, colorless, green, gray 
Streak
brownish white 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Irregular 
Hardness
6-7 

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