| 释义 |
† pangony, -ie Obs.
[ad. L. pangōni-us (Pliny), a. Gr. παγγώνιος, i.e. all-angled.]
Name of an unidentified precious stone mentioned by Pliny: in 18th c. employed by some as a class-name.
1658Phillips, Pangonie,..a kinde of precious stone, so called from its multitudes of Angles. 1692Coles, Pangonie,..a precious stone with very many corners. 1753Chambers Cycl. Suppl., Pangonia,..The bodies of this genus are single⁓pointed, or imperfect crystals, composed of dodecangular or twelve-planed columns, terminated by twelve-planed pyramids, and the whole body, therefore, made up of twenty four planes. Of this genus there are only three known species: 1. A brownish-white one, with a long pyramid. This is found in Silesia and Bohemia;..and is esteemed a very valuable crystal. |