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Tsarstone collectors guide


Thermolumnescence

Thermolumnescence
A variety of luminescence where certain rocks of minerals showing the property due to application of heat or infrared. Some diamonds exhibits blue thermoluminescence, when heated to about 200 C. Thermoluminescence emitted when the color traps are disappeared by heat. This method used in the dating of stones, rocks, pottery, etc. in archeological determination.

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