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GIA Mineral
GIA Names New Mineral Crowningshieldite
The Gemological Institute of America (GIA) has discovered anew mineral while studying flaws in large diamonds from the Letšeng mine. The organization named the substance crowningshieldite afterG. Robert Crowningshield. The 50-year GIA...
Research Oct 10, 2018 Rapaport News
Hope diamond
GIA Reveals Why Diamonds Are Blue
Blue diamonds may get their color from traces of boroncontained in the floors of ancient oceans, according to research by theGemological Institute of America (GIA). The research lab studied mineral inclusions in 46 blue diamondssubmitted to the GIA for...
Technology Aug 02, 2018 Rapaport News
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