What makes a stone a gem? It boils down to a few key qualities: beauty and durability. But opal, the national gemstone of Australia, is an anomaly - it’s soft.
What is a gem? And why painite from Myanmar can fetch US$60,000 per carat
Gem – News, Research and Analysis – The Conversation – page 1
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Why Painite Can Fetch US $60,000 Per Carat?
What is a gem? And why painite from Myanmar can fetch US$60,000 per carat
Gem – News, Research and Analysis – The Conversation – page 1