crystalline

adjectives

consisting of or containing or of the nature of crystals
"granite is crystalline"
antonym
is similar to
having both internal structure and external form of a crystal
"quartz crystal is perfectly crystallized"
is similar to
containing crystals that are visible only under a microscope
is similar to
composed of aggregates of crystals
"polycrystalline metals"
distinctly or sharply outlined
"crystalline sharpness of outline"- John Buchan
is similar to
easy to perceive; especially clearly outlined
"a distinct flavor"; "a distinct odor of turpentine"; "a distinct outline"; "the ship appeared as a distinct silhouette"; "distinct fingerprints"
transmitting light; able to be seen through with clarity
"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"