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Gypsum With Specularite

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LGM547610

Gypsum With Specularite

Ex Dr. Krantz, Bonn, Germany, Ex Dr. O. Kanzler
With Antique Label

Description Tabs

Description
Locality: 
Lüneburger Kalkberg, Lüneburg, Lower Saxony, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 4 × 4 cm
Largest Crystal: 
1.50cm
Weight: 
26.00gr
Description

Cluster of colorless gypsum crystals, dusted with lustrous reddish hematite var. specularite. A rare locality specimen.

Comes with beautiful old cardboard label dated May 12, 1890. 
Dr. Otto Kanzler (ca.1855-ca.1920) lived near Bad Rothenfelde, in Lower Saxony, Germany, after obtaining his medical degree, He had a particular interest in local geology, minerals and fossils, and was the author of "Geologie des Teutoburger Waldes und des Osnings (1920)". The Alfred Bauer History Museum in Bad Rothenfelde has an "Otto Kanzler Room" named for him.

 

Mineral Data
What's on the rock

Gypsum

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

Specularite

Variety Of: 

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Hardness: 
5.0 - 6.0
Colour: 
Silvery

Seller Information

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