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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 calcite, and plancheite and more from places like Tsumeb mine, Tsumeb, Namibia.

Calcite

#PD49218
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
CaCO3 
Availability
Available
Price
$40.00
Size
12.5 x 5.5 x 6 cm - Cabinet 
Tagged
carbonate  

White interesting formation of at least two generations of Calcite, perhaps as a cast of a former mineral.


Calcite

Formula
CaCO3 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Stalactitic, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
colorless, white, pink, yellow, brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
Collection
Don Phillips Collection
Mineralpedia
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Previously Sold Calcite
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Other Available Calcite
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Plancheite

on Smithsonite - #PD49278
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
Cu8(Si4O11)2(OH)4·H2
Availability
Available
Price
$125.00
Size
6.5 x 4 x 4 cm - Sm Cabinet 
Tagged
copper  

Deep sky blue fibrous crystal groups on rhombic Smithsonite.


Plancheite

Formula
Cu8(Si4O11)2(OH)4·H2
Crystal System
Orthorhombic 
Crystal Habit
Fibrous, Radial, Acicular 
Luster
Adamantine - Silky 
Color
blue, greenish blue 
Streak
light blue 
Class
Orthorhombic - Dipyramidal 
Fracture
Unknown 
Hardness
5.5 
Collection
Don Phillips Collection

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