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To learn more about gems, their origin, inclusions and possible stone treatments.
Do you know the Tanzanite? It is a variety of rare Zoïsite from Tanzania.
To learn more about the Aigues-marine, the birth stone of the month of March.
Discover the composition and characteristics of Opales Welo, nicknamed "the treasures of Ethiopia".
Definitions of terms commonly used in mineralogy and gemmology.
In gemmology an inclusion can designate a material locked in stone or an "incident" during crystallization.
The term "gemme" applies to a natural stone of mineral, rocky or organic origin that meets specific quality criteria (color, transparency, size, weight.).
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