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Black Spinel

The premier black gemstone

Please see our information page for interesting facts about black spinel and other alternatives in black.  Black spinel is believed to protect its owner from harm, to reconcile differences, and to console sadness.  Aussie Sapphire is proud to offer a range of calibrated size gemstones which are genuine, totally natural/untreated and direct from our mine.

Selection of cut black spinel from the Aussie Sapphire mine at Glen Innes, Australia
  • Common Name - Blackjack or Nin (occasionally Black Sapphire but this is a misleading name)
  • Technical Name - Black Spinel  or Pleonaste 
  • Mineral -  MgAl2O4
  • Hardness - 8.0 on Moh's Scale
  • Clarity - Opaque
  • This gemstone is not treated
  • Many shapes available: Baguette, Oval, Round, Square, Emerald, Cabochon, Beads

CLICK IMAGES BELOW TO BROWSE WITHIN SHAPE SUB-CATEGORIES
We have many shapes and sizes not listed - please enquire if you cant find what you are looking for.