chi·as·to·lite (k - s t -lt )n. A mineral variety of andalusite with carbonaceous impurities regularly arranged along the longer axis of the crystal. [From Greek kh astos, crossed, past participle of khazein, to mark with an X; see chiasma.] |
chiastolite [kaɪˈæstəˌlaɪt]
n
(Earth Sciences / Minerals) a variety of andalusite containing carbon impurities Also called macle
[from German Chiastolith, from Greek khiastos crossed, marked with a chi + lithos stone]
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