結けっ晶しょう質しつ

noun, noun which may take the genitive case particle 'no'

crystalline material; crystalline substance

Technical term used in geology, materials science, and chemistry to describe a substance composed of crystals or having a crystalline structure. Often used attributively with の.

• この岩がん石せきは結けっ晶しょう質しつで、肉にく眼がんでも小ちいさな結けっ晶しょうが見みえる。

  This rock is crystalline, and small crystals are visible even to the naked eye.