Tag Archives: Turquoise

Turquoise Gemstone – By Zohreh Amini – Gemologist

Turquoise dates back well over 4000 years and was considered the “Jewel of the Orient”. Kusam Malhotra – DCGIA President (left) & Zohreh Amini – Gemologist (right) Turquoise was a treasured gem for Royalty of Europe, Ancient Egyptians and the Persian … Continue reading

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Natural vs. Enhanced Lapidary Gem Materials by Helen Serras-Herman

Helen compared natural gem materials against the simulants available in today’s market. She provided slides of Sonora Chrysocolla, Turquoise, Lapis, Azurite with Malachite, and natural drusy gemstones alongside simulants made to imitate these natural materials. The term “simulants” refers to … Continue reading

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