chrysoberyl

Noun
  1. A rare hard yellow green mineral consisting of beryllium aluminate in crystal form;
    Used as a gemstone (synset 114695533)
    is a type of:
    • mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
    • opaque gem - a gemstone that is opaque
    subtypes: alexandrite - a green variety of chrysoberyl 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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