Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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A Study of Gem Varieties of Corundum from Parts of Thmkur and Mysore Districts, Karnataka


Affiliations
1 Gemmological Institute of Bombay, 29, Gurukul Chambers, 187-189, Mambadevi Road, Bombay-400 002, India
2 Department of Mines and Geology, Bangalore-560 027, India
     

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The occurrence of corundum in Southern Karnataka is known from a long time in its complex geological environment, especially at the margins of the Clospet pluton. Although the exploitation for corundum has been going on since a long time, no systematic approach was made to study the gemmological characters of the mineral. In this paper the geological and gemmological characters of the gem varieties of corundum from parts of Tumkur and Mysore Districts are described.

Keywords

Gemstones, Corundum, Karnataka.
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  • A Study of Gem Varieties of Corundum from Parts of Thmkur and Mysore Districts, Karnataka

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Authors

Jayshree Panjikar
Gemmological Institute of Bombay, 29, Gurukul Chambers, 187-189, Mambadevi Road, Bombay-400 002, India
H. Chandrashekhar
Department of Mines and Geology, Bangalore-560 027, India
M. Muniswamaiah
Department of Mines and Geology, Bangalore-560 027, India
Nazeer Ahmed
Department of Mines and Geology, Bangalore-560 027, India

Abstract


The occurrence of corundum in Southern Karnataka is known from a long time in its complex geological environment, especially at the margins of the Clospet pluton. Although the exploitation for corundum has been going on since a long time, no systematic approach was made to study the gemmological characters of the mineral. In this paper the geological and gemmological characters of the gem varieties of corundum from parts of Tumkur and Mysore Districts are described.

Keywords


Gemstones, Corundum, Karnataka.