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  

Tsumeb Rare Mineral Specimens III

Friday, 27 November 2015 08:00 AM

A fresh load of rarities from Tsumeb!

Tetrahedrite

-Tennantite with alterations - #43279
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
Cu12Sb4S13 
Availability
Sold
Size
8 x 6 x 2.5 cm - Sm Cabinet 

This is a severly corroded tetrahedrite/tennantite and/or Enargite specimen with bluish green alterations once labelled as "Stranskiite", which I doubt.


Tetrahedrite

Formula
Cu12Sb4S13 
Crystal System
Isometric 
Crystal Habit
Massive - Granular, Massive 
Cleavage
None, None, None 
Luster
Metallic 
Color
iron gray, black, steel gray 
Streak
black 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 

Tsumcorite

#38377
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
PbZn2(AsO4)2·2H2
Availability
Sold
Size
0.4 x 0.4 x 0.4 cm - Thumbnail 
Tagged
arsenate  
Special Info
Type Locality 

This is a tiny specimen of about 4x4x4mm! But the micro crystals as seen in the photographs are outstanding.


Tsumcorite

Formula
PbZn2(AsO4)2·2H2
Crystal System
Monoclinic 
Crystal Habit
Radial, Spherical, Encrustations 
Color
yellow brown, reddish brown, lemon 
Streak
yellow 
Class
Monoclinic - Prismatic 
Hardness
4.5 
Special Info
Type Locality
SOLD
Tsumcorite - 42754
Tsumcorite - 42754

Tsumcorite

#42754
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
PbZn2(AsO4)2·2H2
Availability
Sold
Size
2.5 x 2 x 3 cm - Thumbnail 
Tagged
arsenate  

Tiny platy orange micro crystals to less than 1mm. Very rich.


Tsumcorite

Formula
PbZn2(AsO4)2·2H2
Crystal System
Monoclinic 
Crystal Habit
Radial, Spherical, Encrustations 
Color
yellow brown, reddish brown, lemon 
Streak
yellow 
Class
Monoclinic - Prismatic 
Hardness
4.5 

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2020 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map