Gem-name guide / Group / gem material

Garnet

Garnet is included in GIA’s gem encyclopedia. This name covers a material family rather than one mineral species.

Material or mineral family: Garnet
Name classification: Group / gem material

This entry is not linked to a single mineral species. A gem name can refer to a group, a mixture, natural glass or biological material.

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Names describe materials, not the authenticity, treatment, provenance or quality of a particular specimen. Physical properties vary for mixed materials; values absent from this guide have not been estimated.

Reference snapshot: September 2026. Source dates and uncertainties are retained in the record.