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Topic: zircon
Definition:

  • a common mineral occurring in small crystals
  • chief source of zirconium
  • used as a refractory when opaque and as a gem when transparent

    Related tag cloud:

  • sapphire
  • tourmaline
  • gold
  • amethyst
  • aquamarine
  • topaz
  • garnet
  • ilmenite
  • rutile
  • ruby
  • spinel
  • tanzanite
  • jewelry
  • citrine
  • gemstones
  • gems
  • emerald
  • peridot
  • mineral sands
  • opal
  • alexandrite
    • Resources:

    Zircon Industries Inc.
    Manufaturer and supplier of chemical de-icers, ice preventatives and other surface control substances.
    http://www.liquidheat.com/

    Gem Hut
    Hundreds of descriptions for gems, minerals, and rare metals. Pictures, hardness, and composition.
    http://www.gemhut.com/