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Garnet Family

Andradite

Lustrous calcium-iron garnet.

Natural colours
Available forms for bulk order
Mineral groupGarnet
Chemical formulaCa₃Fe₂(SiO₄)₃
Crystal systemCubic (isometric)
Hardness (Mohs)6.5 – 7

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

About the stone

What is Andradite?

Andradite is the calcium-iron garnet. It has a very bright, almost diamond-like shine; varieties include green demantoid and black melanite.

It forms in skarns and is collected as raw crystal specimens.

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.

Made from Andradite

Forms we supply

Every form below is available in wholesale quantities. Ask for sizes, grades and packing.

Bulk & wholesale supply

Order Andradite 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: Didier Descouens — CC BY-SA 4.0, 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
  • Photo: Robert M. Lavinsky — CC BY-SA 3.0, via Wikimedia Commons — source