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photo 9 garnets series ugrandite

photo 9 garnets series ugrandite

Demantoid Garnet from Russia showing fine "Horse-tail" like fibres of chrysotile emanating from a tiny black chromite core.

Demantoid Garnet from Russia showing fine "Horse-tail" like fibres of chrysotile emanating from a tiny black chromite core. This is a desirable inclusion.

What makes some gems more valuable than others ? | Geology IN

Spessartine Garnets photo image from Paleoimages these stones from Nigeria demonstrate improved inclusion visibility. The stone the far right being the one with the least visible inclusions.

St. Albans Garnet & Pearl Bracelet

St. Albans Garnet & Pearl Bracelet

Tanzania color change Garnet / Grenat à changement de couleur de Tanzanie 0.74 ct - http://www.gems-plus.com/gemmes/grenat-change-couleur

Tanzania color change Garnet / Grenat à changement de couleur de Tanzanie 0.74 ct - http://www.gems-plus.com/gemmes/grenat-change-couleur

Morgan Tiffany chart of precious gems, 1921

Morgan Tiffany Chart of Precious Gems, 1921 I could see grids of larger size stones drawn with the GIA jewelry design system as drawings. Or arrays of nearly identical stones on grid patterns.

foto 2 rubies y esme diferente calidad

foto 2 rubies y esme diferente calidad

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