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Fluorapatite & Chalcedony Psm Tarbuttite

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KMF584776

Fluorapatite & Chalcedony Psm Tarbuttite

Pseudomorph

Description Tabs

Description
Locality: 
Skorpion Mine, Rosh Pinah, Oranjemund, Karas Region, Namibia
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.7 × 8.3 × 3.4 cm
Description

We have decided to break up our considerable Skorpion mine holdings that we consistently assembled over the years covering unique combinations from just about every find. Hundreds of specimen will be featured on our upcoming auctions so don’t miss this chance to build yourself a Skorpion mine mineral collection - the locality has not produced anything in the past year or more and may perhaps never do so again. Most of these specimen come from well known personalities in Namibian including Gisela Hinder, Heini Soltau, Nina and Hans Soltau to name a few, the quality is high and consistent so bid with confidence.

A pretty and visually appealing specimen featuring well defined fanned out pastel green fluorapatite pseudomorph after tarbuttite, remnants of which can be found on the reverse side visible as pale extensions of the fanned crystals on the upper surface. It is unusual to find both the initial mineral and partial replacement minerals present at the same time.

In addition to the fancy fluorapatite the tarbuttite on the back surface can be found replaced by sparkling colorless chalcedony extending out away from the fluorapatite, thus a layered mineralization exists with the original mineral sandwiched between the two pseudomorphs.

Some sparkling hemimorphite crystals are scattered around on the surface. The condition is outstanding.

 

Mineral Data
What's on the rock

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey

Tarbuttite

Formula: 
Zn2(PO4)(OH)
Strunz: 
8.BB.35
Crystal System: 
Triclinic
Hardness: 
3.5
Streak: 
White
Type Locality: 
Kabwe Mine (Broken Hill Mine), Kabwe (Broken Hill), Kabwe District, Central Province, Zambia

Seller Information

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