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Other Natural Mineral Crystals

Alexandrite

The colour-change gem: green by day, red by lamp light.

Natural colours
Mineral groupChrysoberyl
Chemical formulaBeAl₂O₄ (Cr)
Crystal systemOrthorhombic
Hardness (Mohs)8.5

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

About the stone

What is Alexandrite?

Alexandrite is a rare chromium-bearing chrysoberyl that looks green in daylight and purplish-red under warm light.

Besides Russia, Brazil and Sri Lanka, alexandrite has been found in Odisha and Andhra Pradesh in 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 Alexandrite 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: Parent Géry — Public domain, via Wikimedia Commons — source
  • Photo: Parent Géry — CC0, via Wikimedia Commons — source
  • Photo: Parent Géry — Public domain, via Wikimedia Commons — source