一切經音義 19.89

19.89

頗胝迦（梵語寶名也此無正翻水精之類也光明瑩徹淨無瑕穢有四色之別青色或紅色紫色之異也亦神靈瑞寶也）。

Sphatika / crystal (頗胝迦: Sanskrit name for a jewel. Here there is no direct translation; it is of the class of crystal. Its brilliance is clear and bright, pure without blemish. It has four varieties, with variations of blue, red, and purple. It is also a divine and auspicious treasure).