idrialite Min.
(ˈɪdrɪəlaɪt)
[Named from Idria in Austria where the mineral is found in the quicksilver mines: see -lite.]
A mineral hydrocarbon, called also inflammable cinnabar; ‘it is massive and opaque, with greasy lustre, and greyish or brownish-black colour’ (Watts). (It was made known to chemists by Payssé in 1814, and was at first named by Dumas, 1832, idrialin.)
| 1849 J. Nicol Min. 523 Idrialite..burns with a thick smoky flame. 1868 Dana Min. (ed. 5) 738 Dumas separated the idrialite by treatment with oil of turpentine. |