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  

Coquandite on Stibnite

#19624

Coquandite on Stibnite

#19624
Availability
Sold
Size
4 x 2.5 x 2 cm - Miniature 
Formula
Sb3+6O8SO4·H2O (RRUFF)
Locality
Pereta mine, Grosseto Province, Tuscany, Italy

Tiny yellowish groups of rare Coquandite to about 0.75mm on Stibnite. This is a nice specimen.

Coquandite

Formula
Sb3+6O8SO4·H2
Crystal System
Triclinic 
Cleavage
Perfect, None, None 
Luster
Adamantine 
Color
colorless, white 
Streak
white 
Class
Triclinic - Pinacoidal 
Hardness
3-4 

Data courtesy of Webmineral.

Collection
Polak Collection

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2017 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map