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Bismutoferrite

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LGM572460

Bismutoferrite

Ex Dr. Krantz, Bonn, Germany
With Antique Label

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Description Tabs

Description
Locality: 
Marktredwitz, Upper Franconia, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 6.5 × 5 cm
Weight: 
135.00gr
Description

Yellow-green crystals of "hypochlorite", a synonym either for
bismutoferrite or chapmanite. The locality "Pullenreuth" is not listed in mindat, and both species are not described for the Fichtelgebirge and Upper Palatinate area - thus the specimen may need further analysis.

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

Bismutoferrite

Formula: 
Fe3+2Bi(SiO4)2(OH)
Strunz: 
9.ED.25
Hardness: 
6.0
Type Locality: 
Schneeberg District, Erzgebirge, Saxony, Germany

Seller Information

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Seller's terms and conditions

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