Chrysoberyl

– C –

A variety of gemstone that is characteristically yellow but varies from golden-yellow and brown to yellowish-green or bluish-green. Such stones are transparent and do not alter colour under varying illumination, hence are sometimes confused with sapphire. The dark-green variety is alexandrite. A colourless variety is rare, and seldom used as a gemstone.

The popular variety displays good chatoyancy; it was formerly known as cymophane, but now is called ‘chrysoberyl cat’s-eye‘ or occasionally ‘Oriental cat’s-eye’.

The yellowish-green variety has sometimes been confused with peridot and spodumene. The transparent stones are faceted, usually mixed cut, but those that are cloudy or chatoyant are cut

  • en cabochon
  • . The name is derived from Greek chrysos (gold).

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