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Topic: calcite
Definition:

  • a common mineral consisting of crystallized calcium carbonate
  • a major constituent of limestone

    Related tag cloud:

  • fluorite
  • minerals
  • quartz
  • crystals
  • rocks
  • mineral
  • amethyst
  • mineral specimens
  • heulandite
  • tourmaline
  • pyrite
  • apophyllite
  • crystal
  • flourite
  • fossils
  • geology
  • prehnite
  • okenite
  • agate
  • stilbite
  • fluorescent mineral
    • Resources:

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

    Bob's Rock Shop
    Resource for cabochons, gem stones, tools, information, tutorials, classified ads and exchanges.
    http://www.rockhounds.com/

    Web Mineral
    Extensive mineral database containing crystallography, chemical composition, physical and optical properties, Dana classification, Strunz classification, mineral name origins, mineral locality information, and alphabetical listing of all known valid mineral species.
    http://webmineral.com/