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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 carminite, cerussite, dioptase, gartrellite, hidalgoite, and krieselite and more from places like Tsumeb mine, Tsumeb, Namibia.

SOLD
Carminite - 38401
Carminite - 38401

Carminite

with Gartrellite - #38401
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
PbFe3+2(AsO4)2(OH)2 
Availability
Sold
Size
0.5 x 0.3 x 0.2 cm - Thumbnail 
Tagged
arsenate  

A small 5mm specimen of bright red Carminite and green Gartrellite.


Carminite

Formula
PbFe3+2(AsO4)2(OH)2 
Crystal System
Orthorhombic 
Crystal Habit
Lath, Acicular 
Cleavage
Distinct, None, None 
Luster
Vitreous - Pearly 
Color
carmine red, reddish brown 
Streak
reddish yellow 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 
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On Dakota Matrix
Previously Sold Carminite
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Cerussite

#PD49250
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
PbCO3 
Availability
Sold
Size
3 x 2 x 2 cm - Thumbnail 
Tagged
carbonate  

Twinned Cerussite crystals to 1.5cm.


Cerussite

Formula
PbCO3 
Crystal System
Orthorhombic 
Crystal Habit
Reticulate, Massive - Granular, Crystalline - Coarse 
Cleavage
Distinct, Distinct, None 
Luster
Adamantine 
Color
colorless, white, gray, blue, green 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3-3.5 
Collection
Don Phillips Collection
Mineralpedia
View Cerussite
On Dakota Matrix
Previously Sold Cerussite
On Dakota Matrix
Other Available Cerussite
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Mindat
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SOLD
Dioptase - 46872
Dioptase - 46872

Dioptase

#46872
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
CuSiO3·H2
Availability
Sold
Size
6 x 4 x 3.5 cm - Sm Cabinet 
Tagged
copper  

Lustrous green Dioptase crystals to 1.3cm. Possibly associated with Minrecordite.


Dioptase

Formula
CuSiO3·H2
Crystal System
Trigonal 
Crystal Habit
Massive, Cryptocrystalline, Crystalline - Coarse 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
dark blue green, emerald green, turquoise 
Streak
green 
Class
Trigonal - Rhombohedral 
Fracture
Conchoidal 
Hardness
Mineralpedia
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On Dakota Matrix
Previously Sold Dioptase
On Dakota Matrix
Other Available Dioptase
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Gartrellite

with Olivenite - #PD49298
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
PbCuFe3+(AsO4)2(OH)·H2
Availability
Sold
Size
3 x 2.5 x 1.5 cm - Thumbnail 
Tagged
arsenate , copper  
Special Info
Raman 

Mustard yellow crystals of Gartrellite with Olivenite crystals to 2mm. Confirmed by Raman.


Gartrellite

Formula
PbCuFe3+(AsO4)2(OH)·H2
Crystal System
Triclinic 
Crystal Habit
Encrustations 
Luster
Earthy (Dull) 
Color
greenish yellow, yellow 
Streak
yellow 
Class
Triclinic 
Fracture
Friable 
Hardness
1-2 
Collection
Don Phillips Collection
Special Info
Raman
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

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