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Scheelite With Nacrite

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LGM593563

Scheelite With Nacrite

Ex Dr. Krantz, Bonn, Germany
With Antique Label

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Description Tabs

Description
Locality: 
Gelbe Birke Mine, Beierfeld, Grünhain-Beierfeld, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 2 cm
Largest Crystal: 
0.90cm
Weight: 
32.00gr
Description

A well-developed, brownish-yellow scheelite crystal is frozen in white nacrite matrix. The scheelite shows the typical, intensive white SW UV fluorescence.

A german classic which comes with nice old Dr. F. Krantz pen and ink label dated around or before 1902. Background: In June 1901, due to passing of some resolutions in the context of a reform of german orthography, the spelling of german "Contor" (branch office) was altered to "Kontor".

 

Mineral Data
What's on the rock

Scheelite

Formula: 
Ca(WO4)
Strunz: 
7.GA.05
Crystal System: 
Tetragonal
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Bispbergs Klack, Säter, Dalarna, Sweden

Nacrite

Formula: 
Al2(Si2O5)(OH)4
Strunz: 
9.ED.05
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Einigkeit Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Saxony, Germany

Seller Information

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Seller's terms and conditions

Thank you for viewing my auctions! Maintaining high standards in customer service is extremely important to me. If shipping takes longer than expected, please contact me. It is possible to file an investigation request, and during nearly ten years of e-rocks NO parcel was finally lost.

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I will happily do all in my power to resolve the situation to your satisfaction.

+++IMPORTANT+++
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