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Ankerite

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LGM979674

Ankerite

Ex Louis Saemannm, Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
Eisenerz, Leoben District, Styria, Austria
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 6 × 3.5 cm
Largest Crystal: 
6.00cm
Weight: 
166.00gr
Description

Historic 19th century specimen: A large, single ankerite crystal with stepped faces from famous Styrian Erzberg, Eisenerz, Leoben District, Styria, Austria.

Comes with antique and rare Louis Sæmann label dated 19th century and on-glued corresponding number sticker. Sæmann was born in Görlitz, Saxony, on November 11, 1821. He began as a fossil collector and worked for Adam August Krantz (1808-1872) in Berlin before opening his own competing shop in Paris in 1850. He was apparently well versed in the science of mineralogy, and wroter of various paleontological studies as well. He died in Paris, France on September 13, 1866, and his mineral business was then purchased by his old mentor, Adam Krantz in Bonn.
Several important Saemann specimens are preserved today in the School of Mines, Paris, including so-called type specimens of the now-discredited species latrobite (supplied by Sæmann in 1863), and waltherite (supplied by Sæmann in 1865), as well as a specimen of adamite which Sæmann had obtained from Gilbert-Joseph Adam himself. The Australian Museum in Sydney acquired 536 mineral specimens from Sæmann in 1861. The earliest dated label in the Mineralogical Record Archive is from 1857.

Mineral Data
What's on the rock

Ankerite

Formula: 
Ca(Fe2+,Mg)(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Styrian Erzberg, Eisenerz, Styria, Austria

Seller Information

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