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  

Rare Tsumeb Mineral Specimens IV

Friday, 29 June 2018 07:00 PM

Introducing the "Rare Tsumeb Mineral Specimens IV" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including hidalgoite, krieselite, ludlockite, malachite, and mimetite and more from places like Tsumeb mine, Tsumeb, Namibia.

SOLD
Hidalgoite - PD49248
Hidalgoite - PD49248

Hidalgoite

#PD49248
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
PbAl3(SO4)(AsO4)(OH)6 
Availability
Sold
Size
0.2 x 0.2 x 0.2 cm - Thumbnail 
Tagged
arsenate  

Micromount of yellowish Hidalgoite. Ex. Cureton minerals. Micromount!


Hidalgoite

Formula
PbAl3(SO4)(AsO4)(OH)6 
Crystal System
Trigonal 
Cleavage
None, None, None 
Luster
Earthy (Dull) 
Color
gray white, white, light green, light gray 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
4.5 
Collection
Don Phillips Collection
SOLD
Krieselite - 49251
Krieselite - 49251

Krieselite

#49251
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
Al2GeO4(OH)2 
Availability
Sold
Size
0.8 x 0.7 x 0.2 cm - Thumbnail 
Special Info
Type & Only Locality 

Krieselite is a  relatively new rare mineral from Tsumeb containing germanium. This specimen has tiny snow white crystals of Krieselite in an area less than 0.5mm. Comes with a Georg Gebhard label which states it is from the 46 level of the mine. Tsumeb is the type and only locality for this very rare germanium mineral. Tennantite matrix, small chip less than 1cm.


Krieselite

Formula
Al2GeO4(OH)2 
Crystal System
Orthorhombic 
Luster
Greasy (Oily) 
Color
beige, white 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Hardness
Special Info
Type & Only Locality

Ludlockite

with Leiteite - #48351
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
PbFe3+4As3+10O22 
Availability
Sold
Size
4 x 2 x 1.8 cm - Miniature 
Special Info
Type Locality 

Not actually sold but returned to Amo

Exceptional specimen of flaming reddish orange fibrous Ludlockite with associated silky white to Leiteite. Ludlockite occurs in two forms on this specimen: one, as thin bundles and radiating groups and two, as this deep red needledles to 5mm. 


Ludlockite

Formula
PbFe3+4As3+10O22 
Crystal System
Triclinic 
Crystal Habit
Acicular 
Cleavage
Good, Good, None 
Luster
Subadamantine 
Color
copper red 
Streak
light brown 
Class
Triclinic - Pinacoidal 
Fracture
Sectile 
Hardness
1.5-2 
Special Info
Type Locality

Malachite

#RW49225
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
Cu2CO3(OH)2 
Availability
Available
Price
$125.00
Size
6 x 6 x 6 cm - Sm Cabinet 
Tagged
carbonate , copper  

Large specimen of botryoidal Malachite with dull fuzzy terminations.


Malachite

Formula
Cu2CO3(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Botryoidal, Stalactitic, Massive - Fibrous 
Cleavage
Perfect, Fair, None 
Luster
Vitreous - Silky 
Color
green, dark green, blackish green 
Streak
light green 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Robert J. Waidler Collection
Mineralpedia
View Malachite
On Dakota Matrix
Previously Sold Malachite
On Dakota Matrix
Other Available Malachite
WebMineral
View Malachite
Mindat
View Malachite

Malachite

#PD49249
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
Cu2CO3(OH)2 
Availability
Sold
Size
5 x 4 x 3.5 cm - Miniature 
Tagged
carbonate , copper  

Mass of arborescent Malachite.


Malachite

Formula
Cu2CO3(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Botryoidal, Stalactitic, Massive - Fibrous 
Cleavage
Perfect, Fair, None 
Luster
Vitreous - Silky 
Color
green, dark green, blackish green 
Streak
light green 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Don Phillips Collection
Mineralpedia
View Malachite
On Dakota Matrix
Previously Sold Malachite
On Dakota Matrix
Other Available Malachite
WebMineral
View Malachite
Mindat
View Malachite

Mimetite

#PD49253
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
Pb5(AsO4)3Cl 
Availability
Sold
Size
2.5 x 2.5 x 1 cm - Thumbnail 
Tagged
arsenate  

Prismatic crystals to 1.8cm with interesting yellow to red colors.


Mimetite

Formula
Pb5(AsO4)3Cl 
Crystal System
Hexagonal 
Crystal Habit
Reniform, Globular, Prismatic 
Cleavage
Imperfect, None, None 
Luster
Adamantine - Resinous 
Color
white, yellow, orange, brown, red 
Streak
white 
Class
Hexagonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Don Phillips Collection
Mineralpedia
View Mimetite
On Dakota Matrix
Previously Sold Mimetite
On Dakota Matrix
Other Available Mimetite
WebMineral
View Mimetite
Mindat
View Mimetite

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2018 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map