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0 item @ $0.00  

Tsumeb Rare Mineral Specimens III

Friday, 27 November 2015 08:00 AM

A fresh load of rarities from Tsumeb!

SOLD
Rosasite - PD42009
Rosasite - PD42009

Rosasite

with Calcite - #PD42009
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
CuZnCO3(OH)2 
Availability
Sold
Size
4 x 2.5 x 3 cm - Miniature 
Tagged
carbonate , copper  

Tiny clusters of bluish green fibrous Rosasite crystals less than 0.5mm.


Rosasite

Formula
CuZnCO3(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Spherical, Mammillary, Encrustations 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous - Silky 
Color
blue green, light blue, sky blue 
Streak
light blue 
Class
Monoclinic - Prismatic 
Fracture
Splintery 
Hardness
Collection
Phillips Collection
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Smithsonite

#PD41987
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
ZnCO3 
Availability
Sold
Size
8 x 6.5 x 5 cm - Sm Cabinet 
Tagged
carbonate  

Colorless Smithsonite with inclusions of probably Tetrahedrite/Tennantite and a matrix of sulfide mainly Chalcocite and Pyrite.


Smithsonite

Formula
ZnCO3 
Crystal System
Trigonal 
Crystal Habit
Botryoidal, Reniform, Earthy 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
grayish white, dark gray, green, blue, yellow 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle 
Hardness
4.5 
Collection
Phillips Collection

Smithsonite

#DS43068
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
ZnCO3 
Availability
Sold
Size
6 x 2.5 x 3.5 cm - Sm Cabinet 
Tagged
carbonate  

Yellowish green, translucent crystals of Smithsonite with a "dusting" of green possible Duftite.


Smithsonite

Formula
ZnCO3 
Crystal System
Trigonal 
Crystal Habit
Botryoidal, Reniform, Earthy 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
grayish white, dark gray, green, blue, yellow 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle 
Hardness
4.5 
Collection
Shultz Collection

Smithsonite

(cobaltoan) - #DS43253
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
ZnCO3 
Availability
Sold
Size
4 x 4 x 2 cm - Miniature 
Tagged
carbonate  

Rich pink rhombic crystals to 7mm on front and back sides of this gorgeous cobaltoan Smithsonite specimen so unique to Tsumeb.


Smithsonite

Formula
ZnCO3 
Crystal System
Trigonal 
Crystal Habit
Botryoidal, Reniform, Earthy 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
grayish white, dark gray, green, blue, yellow 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle 
Hardness
4.5 
Collection
Shultz Collection

Smithsonite

#DS43255
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
ZnCO3 
Availability
Sold
Size
13 x 3.5 x 4 cm - Cabinet 
Tagged
carbonate  

Large, long specimen if fine, green Smithsonite crystals covering all sides.


Smithsonite

Formula
ZnCO3 
Crystal System
Trigonal 
Crystal Habit
Botryoidal, Reniform, Earthy 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
grayish white, dark gray, green, blue, yellow 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle 
Hardness
4.5 
Collection
Shultz Collection
SOLD
Stranskiite - PD39481
Stranskiite - PD39481

Stranskiite

or O'Danielite - #PD39481
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
CuZn2(AsO4)2 
Availability
Sold
Size
Capsule 
Tagged
arsenate , copper  

Three 4-5mm pieces of sugary looking matrix with blue streaks labeled originally by Cureton as Stranskiite. This needs to be tested, it is likely one of the two minerals listed above or maybe both. No return!


Stranskiite

Formula
CuZn2(AsO4)2 
Crystal System
Triclinic 
Crystal Habit
Radial, Aggregates 
Color
cyanic blue 
Class
Triclinic - Pinacoidal 
Hardness
Collection
Phillips Collection

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