Zircon

ahd-5
  • noun. A brown to colorless mineral, ZrSiO4, which is heated, cut, and polished to form a brilliant blue-white gem.
    • The Century Dictionary and Cyclopedia
  • noun. A mineral occurring in tetragonal crystals of adamantine luster and yellowish to brownish or reddish color: its hardness is somewhat greater than that of quartz.
    • the GNU version of the Collaborative International Dictionary of English
  • noun. A mineral consisting predominantly of zirconium silicate (Zr2SiO4) occurring in tetragonal crystals, usually of a brown or gray color. It consists of silica and zirconia. A red variety, used as a gem, is called hyacinth. Colorless, pale-yellow or smoky-brown varieties from Ceylon are called jargon.
  • noun. an imitation gemstone made of cubic zirconia.
  • noun. a coarse-grained syenite containing zircon crystals and often also elæolite. It is largely developed in Southern Norway.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. A mineral occurring in tetragonal crystals, usually of a brown or grey colour and consisting of silica and zirconia.
  • noun. A crystal of zircon, sometimes used as a false gemstone.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent
    • Word Usage
    "The sands are called zircon sands because they contain sand-sized mineral zircon grains."
    cross-reference
    jacinth  jargon  jargoon  
    Hypernym
    Words that are more generic or abstract
    mineral  
    Hyponym
    Words that are more specific
    hyacinth  jacinth  jargon  jargoon  
    Same Context
    Words that are found in similar contexts
    apatite  beautification  biotite  chrysoberyl  citrine  
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