What is a gem? And why painite from Myanmar can fetch US$60,000 per carat

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

Painite Ring For Sale 2024

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cristal de color naranja completa Spessartina, 13 mm de ancho, situado en la mica brillante verde, pla…

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