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Hematite With Goethite & Rhodonite

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LGM979703

Hematite With Goethite & Rhodonite

Ex Dr. O. Schmidt, Bergisch-Gladbach, Germany
With Antique Label

Description Tabs

Description
Locality: 
Gällivare, Norrbotten County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.5 × 7.5 × 3 cm
Weight: 
100.00gr
Description

Ore specimen consisting of glittering hematite (var specularite), brown goethite and pinkish rhodonite.

Comes with beautiful old label and on-glued corresponding number sticker from the former collection of metallurgical plant director Dr. O. Schmidt, Bergisch-Gladbach, Germany. He deaceased 1923 or 1924, the collection (appr. 1200 specimens) was sold to the city of Bergisch-Gladbach in 1925, used as teaching resources in a secondary school then.

'Eisenglanz' is a german synonym for hematite.
'Roth-Spath' can stand for rhodochrosite or rhodonite (for this specimen I would go for rhodonite)
'Braun-Eisenerz' stands for goethite ± ferrihydrite.

Mineral Data
What's on the rock

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Rhodonite

Formula: 
MnSiO3
Strunz: 
9.DK.05
Crystal System: 
Triclinic
Hardness: 
5.5 - 6.5
Streak: 
White
Type Locality: 
Kaiser Franz Mine (König Wilhelm Mine), Schävenholz (Schebenholz; Schäbenholz), Elbingerode, Harz, Saxony-Anhalt, Germany

Seller Information

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