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Other Natural Mineral Crystals

Spinel

Octahedral crystals once mistaken for ruby.

Natural colours
Mineral groupOxide
Chemical formulaMgAl₂O₄
Crystal systemCubic (isometric)
Hardness (Mohs)7.5 – 8

Supplied by weight or by piece — raw, polished or made into jewellery. Sizes, grades and quantities on request.

About the stone

What is Spinel?

Spinel is magnesium aluminium oxide. It forms sharp octahedral crystals in red, pink, blue and black; many famous "rubies" in royal crowns are actually red spinel.

Sources include Myanmar, Sri Lanka, Tanzania and India.

Care & cleaning

Clean with lukewarm water, a drop of mild soap and a soft brush, then dry with a soft cloth. Store apart from softer stones to avoid scratches.

Bulk & wholesale supply

Order Spinel in bulk

We supply raw stones, tumbled and polished pieces, carvings, beads and finished jewellery such as pendants and bracelets by the kilo or by the piece. Tell us what you need and we will reply with availability, sizes and lead time.

Photo credits
  • Photo: Géry PARENT — CC BY-SA 3.0, via Wikimedia Commons — source
  • Photo: Robert M. Lavinsky — CC BY-SA 3.0, via Wikimedia Commons — source
  • Photo: Robert M. Lavinsky — CC BY-SA 3.0, via Wikimedia Commons — source