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IGS Favorites

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aragonite - Czech Republic

Aragonite Value, Price, and Jewelry Information

faceted phenakite - Russia

Phenakite Value, Price, and Jewelry Information

gemstone luminescence

What is Gemstone Luminescence?

friedelite - faceted

Friedelite Value, Price, and Jewelry Information

faceted xonotlite - Italy

Xonotlite Value, Price, and Jewelry Information