氷ひょう長ちょう石せき

noun

adularia; adularia feldspar

A variety of potassium feldspar, typically found in alpine-type fissures and low-temperature hydrothermal veins. Used in geology and mineralogy.

• この標ひょう本ほんは氷ひょう長ちょう石せきの結けっ晶しょうを含ふくんでいる。

  This specimen contains crystals of adularia.