Natural Blue Sapphire Alluvial Rough – River-Mined Gem

This alluvial blue sapphire features:

  • Natural river-worn surface

  • Rich blue to royal blue hues

  • Strong faceting potential

  • Untreated raw gemstone material

Alluvial sapphires are formed when primary sapphire deposits weather over time, and crystals are transported by rivers, resulting in smoother, more rounded rough stones.

Key Features

✔ 100% Natural Blue Sapphire (Corundum)
✔ Alluvial river-mined origin
✔ Excellent cutting potential
✔ Durable gemstone (Mohs hardness 9)
✔ Collector and investment-grade material

Why Choose Alluvial Blue Sapphire?

• Historically proven gemstone deposits
• Naturally cleaned and water-worn surfaces
• High demand in international gemstone markets
• Ideal for faceting high-value gemstones

Ideal For

• Professional gem cutters
• Wholesale rough buyers
• Custom jewelry designers
• Collector gemstone parcels
• Investment-grade rough sapphire trading

Blue Sapphire Alluvial Rough stones are admired for their authentic origin, strong color potential, and natural formation, making them a staple in the global sapphire trade.

Worldwide shipping available.