ulexite
Scaly; covered in scales.
(mineralogy) A white mineral with triclinic crystals, NaCaB₅O₉·8H₂O.
(chiefly historical) An electronic device incorporating electrons from a glowing cathode inside an evacuated glass tube, functioning as a switch, amplifier etc.
(astronomy) A faint spring constellation of the northern sky. It lies north of the constellation Cancer.
地質学者は、光ファイバーのような性質を顕微鏡で調べるために、白色のホウ酸塩鉱物(NaCaB5O9·8H2O)の薄片を注意深く研磨した。
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