crystalline

Adjective
  1. Consisting of or containing or of the nature of crystals (synset 300269735)
    "granite is crystalline"
  2. Distinctly or sharply outlined (synset 300784134)
    "crystalline sharpness of outline"
  3. Transmitting light;
    Able to be seen through with clarity (synset 300433489)
    "the cold crystalline water of melted snow"; "crystal clear skies"; "could see the sand on the bottom of the limpid pool"; "lucid air"; "a pellucid brook"; "transparent crystal"

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