Dioptase from Congo Natural Crystal Mineral Specimen October Birthstone Sale This 24-gram Bismuth crystal is

This 24-gram Bismuth crystal is a particularly striking specimen for collectors who appreciate unusual elements

✓ Pendant Size: 30mm × 26mm Approximately

The region's unique combination of pegmatites

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stamped & hypoallergenic✓ Gemstones: Natural Ruby✓ Gemstone Size: 7mm × 5mm oval cut✓ Setting: Classic four-claw solitaire setting✓ Style: Oval gemstone stud earrings✓ Backing: Sterling silver posts with butterfly backs✓ Weight: Lightweight and comfortable for everyday wear

Dioptase from Congo Natural Crystal Mineral Specimen October Birthstone Sale This 24-gram Bismuth crystal isDeep emerald green Dioptase crystals blanket this attractive specimen from the renowned Kimbedi locality in the Republic of the Congo. The specimen displays a dense cluster of well formed trigonal crystals with a bright vitreous lustre, creating a striking display against the natural matrix. The varying crystal sizes add depth and texture, making it an eye catching example of this sought after copper silicate mineral. Specimen Details Mineral: