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Rosasite Wulfenite Conichalcite & Cobaltoan Dolomite

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KMF552229

Rosasite Wulfenite Conichalcite & Cobaltoan Dolomite

Classic Locality

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Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4 × 2.4 cm
Description

A fantastic combination piece featuring an easy to follow paragenesys five visible minerals at the very least possibly more. What strikes you immediately is the classic spheroidal rosasite covers a solitary translucent wulfenite blade that is suspended up off the matrix by earlier rosasite and exhibits great luster and a blend of silvery-golden color.

The stages of crystallization are abundantly clear: the matrix is calcite coated displaying small colorless rhombs hosting a generous amount of bright green conichalcite that is also included within the calcite surface crystals in a myriad of sizes. The next stage  is characterized by lustrous pink dolomite rhombs coating the conichalcite positioned beneath rosasite where ever the relationship can be seen.

The key feature is that every mineral can be studied here on its own due to their isolated presence as well as in combination with either of the others and all five at one time which is quite rare indeed.

The condition is undamaged within the peripherally contacted edges.

Mineral Data
What's on the rock

Rosasite

Formula: 
(Cu,Zn)2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Rosas Mine, Narcao, Carbonia-Iglesias Province, Sardinia, Italy

Wulfenite

Formula: 
Pb(MoO4)
Strunz: 
7.GA.05
Crystal System: 
Tetragonal
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Bad Bleiberg, Bleiberg District, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria

Conichalcite

Formula: 
CaCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Hinojosa del Duque, Córdoba, Andalusia, Spain

Cobaltoan Dolomite

Variety Of: 

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Hardness: 
3.5 - 4.0
Formula: 
(Ca,Mg,Co)CO3
Hardness: 
0.0

Seller Information

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Seller's terms and conditions

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Pay for the largest items' full shipping cost then I add $10 per additional item.  the usual maximum items I can fit per box is 3, should there be additional items I then price a new box with the same calculation largest items full shipping + additional items at reduced rate. etc

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