tilasite

tilasite

[′til·ə‚sīt]
(mineralogy)
CaMg(AsO4)F A gray, gray-violet, olive green, or apple green, monoclinic mineral consisting of a fluorarsenate of calcium and magnesium.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
One of them, Franco Vanini (francescovanini@virgilio.it), had a good selection of rare Alpine minerals, including cafarsite and tilasite from Monte Cervandone, Italy/Switzerland, and a complete suite of the minerals of Falotta, Grisons, Swiss Alps: grishunite, cabalzirite, palenzonaite and various others.
Associated minerals are: calcite, tilasite and sailaufite (in press).
Associated minerals are: quartz, sursassite, adularia, kutnohorite, tilasite, grischunite, arseniosiderite, tripuhyite, rancieite-takenalite and arsenogoyazite.