13 Carats Afghan Ruby Crystal on Calcite - Afghanistan faceting 5 mm (width x height

13 Carats Afghan Ruby Crystal on Calcite - Afghanistan faceting 5 mm (width x heightFine Mineral Specimen Natural Ruby Crystal on Calcite Matrix This is 13 carat ruby specimen from Afghanistan,a natural corundum crystallization. This rare piece showcases the remarkable beauty of ruby formation in its natural metamorphic environment. Category Classification: Category: Fine Mineral Specimens Rarity: Rare Condition: Graded Crystal System: Trigonal (hexagonal) Rock Formation: Metamorphic Birthstone: July Specimen Highlights: Natural Ruby

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