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Bornite

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LGM906112

Bornite

Ex Dr. Krantz, Bonn, Germany
Classic Locality

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Description Tabs

Description
Locality: 
Kiura Mine, Saiki City, Oita Prefecture, Kyushu Region, Japan
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
6 × 7.5 × 3.5 cm
Weight: 
232.00gr
Description

Ore sample consisting of masses of iridiscent, amorphous bornite, minor white calcite and other unidentified minerals.

From old Dr. Krantz stock, comes with antique J. Sasamoto label. Jiro Sasamoto was a famous Japanese mineralogist in the 1800's. T. Wada "Minerals of Japan" refers to Dr. Krantz aquiring a number of Japanese minerals from him. Unfortunately there is no more information available about this scientist, not even at the Krantz company itself. These old labels are very rare; Japan was a closed country at that time and there were not nearly as many mineralogical collections as in Europe.

Bungo was a historic province of Japan in eastern Kyūshū in the area of Ōita Prefecture.

Mineral Data
What's on the rock

Bornite

Formula: 
Cu5FeS4
Strunz: 
2.BA.15
Crystal System: 
Tetragonal
Hardness: 
3.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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.

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