beryl

Noun
  1. The chief source of beryllium;
    Colored transparent varieties are valued as gems (synset 114692700)
    is a type of: mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
    subtypes:
    • aquamarine - a transparent variety of beryl that is blue green in color
    • emerald - a green transparent form of beryl; highly valued as a gemstone
    • morganite - a kind of pink beryl used as a gemstone
    substance holonym: atomic number 4, be, beryllium, glucinium - a light strong brittle grey toxic bivalent metallic element

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