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Carlsbergite

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SKY511495

Carlsbergite

Rare Mineral

Description Tabs

Description
Locality: 
Kenton County Meteorite, Kenton County, Kentucky, United States of America
Class: 
Massive/Crystalline
Size Range: 
Micromount (under 1cm)
Size: 
0.1 × 0.1 × 0.1 cm
Description

Polished section of the extremely rare chromium nitride carlsbergite from the Kenton Co. meteorite, that fall in 1889. Associated minerals are schreiberite (an iron nickel phosphide !) and kamacite.

Analyzed specimen by Excalibur Mineral Company (complete Quantitative Analysis and 2 SEM photos). Label from Excalibur included (see photos) but analysis not available.

The specimen was in the Dr.Hartel collection, with label included (see photos). Dr. Hartel bought the specimen to Excalibur in 1998 for $295 (!).

A mass of 163 kg was found in 1889 by G .W. Cornelius on his farm, located about 13 km south of Independence. The mass was about 1 m below the surface and interlocked in the roots of an ash tree.  Buchwald (1975) provided a detailed look at the Fe-Ni metal assemblage of kamacite, taenite, and plessite as well as the associated sulfides, phosphides, and nitrides. Indeed, the carlsbergite (CrN) was one of the first instances of a nitride recovered in any iron meteorite. 

Mineral Data
What's on the rock

Carlsbergite

Formula: 
CrN
Strunz: 
1.BC.15
Hardness: 
7.0
Type Locality: 
Cape York meteorite, Saviksoah Peninsula, Qaasuitsup, Greenland
Labels
Label Images - only: Carlsbergite
Label Images - only: Carlsbergite
Label Images - only: Carlsbergite

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