pyrostilpnite

[Pref.pyro-; Gr.stilpnos shining, and suff. -ite ( Min. ).] Min.: A monoclinic mineral in very small sheaflike groups of crystals. Hardne , 2; specific gravity, 4-2-4-25; luster, adamantine; color, hyacinth red; translucent; sectile; flexible. Composition: Silver, 62-3 per cent., with sulphur and antimony. A rare species, known only in a few localities. për-ō-tar-tăr-ic, a. [Pref. pyro-, and English tartaric.] Derived from or containing tartaric acid. IMG:content-0027.png:[blocks in formation] IMG:content-0028.png:[blocks in formation] boils at about 280°. pyrrhic (q. v.).] Derived from uric-acid by heat. py-rou-ric, a. [Pref. pyro- , and English uric pyrouric-acid, s. [CYANURIC-ACID.] py-rox-ăm, s. [Pref. pyr-; Eng. ox ( atyl ), and am(monia).] [XYLOIDIN.]