What does the word amethyst mean?

Usage examples for amethyst

  1. How about that- there little amethyst bottle, then?" – Murder in the Gunroom by Henry Beam Piper
  2. Audrey answered not, but leaned against the window and looked at the cloud in the south that was now an amethyst island. – Audrey by Mary Johnston
  3. It was impossible to think of such an evening spent in the stuffy, lonely lounge, with heavy curtains shutting out the opal and the amethyst of night. – Joanna Godden by Sheila Kaye-Smith