Minerals & Gemstone 480x104
Minerals & Gemstone 480x104
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Glossary of Terms
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ALL



Irradiation
The act of being exposed to radiation. This has an effect on several gemstones by altering their natural color.



Blue Topaz that went through Irradiation



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