by Suncoast Gem Lab | Jan 23, 2013 | Colored Gemstones
Transparent colored gemstones are loved for their beautiful colors. How they absorbed the visible light that passes through them determines their color. The study of light absorption by materials is called spectroscopy. Because the rainbow array of color was observed...
by Tom Seguin, Master Gemologist Appraiser | Jan 23, 2013 | Jewelry Appraisal
I am writing this to let my clients know about this scam that is repeating itself in cruise ports in the Caribbean. I have had two clients in 2012 that bought large, unmounted tanzanites based on recommendations from the Cruise Shopping Guide. Also referred to as a...
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