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Fahleite In Gypsum

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SKY830437

Fahleite In Gypsum

Type Locality

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Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.15 × 0.1 × 0.1 cm
Description

TWO very small specimens of scaly yellow microcrystals of fahleite on a matrix of colorless transparent gypsum from the type locality in Tsumeb.

These fahleite specimens are of the type used for the type description of the species, very different from the much more common and new green ones.

Fahleite of this kind is very rarely seen in the mineral market, don't miss the opportunity get this very sought after species ! No duplicates available.

Fahleite (a Zn-Ca-Fe arsenate) is an extremely rare Tsumeb mineral only known from this locality worldwide, which is of course the type locality. 

The species was labeled as RRR! in Gebhard Tsumeb II book (single specimen !). 

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Fahleite

Formula: 
Zn5CaFe2(AsO4)6·14H2O
Strunz: 
8.CH.55
Crystal System: 
Orthorhombic
Hardness: 
2.0
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

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Shipping Information

Postage Area Price
Spain
€5.50
Europe
€9
Rest of the World
€10
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NOTES:

-Shipping costs are intended for Certified Mail. If you prefer the cheaper ordinary mail, please ask.

-International items may be subject to import duties and taxes which buyers must pay.

-All items are completely described and photographed, so I DON'T ACCEPT RETURNS.

-All questions/doubts referring to the IDENTIFICATIONS and ANALYSIS of the specimens must be made BEFORE the auction finishes.

-If a specimen is analyzed, I always upload the analysis in the corresponding section of the description, so if there is no analysis uploaded, that means that the specimen is not analyzed or that the analysis is not available for any reason. In these last two cases, if the buyer of the specimen analyze it, and finally the result of the analysis doesn't match with the label, I will give back the money paid to the buyer, after receiving back the specimen; all this in a maximum of SIX MONTHS after the purchase date. After this deadline of 6 months I will not accept any claim in the purchased specimens.

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