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.
References in periodicals archive ?
the Cervandone area with its rare, often arsenic-bearing minerals such as cafarsite, gasparite-(Ce), tilasite, chernovite-(Y), cervandonite-(Ce), asbecasite, and paraniite-(Y); the Simplon tunnel; the Pestarena gold mine (one of the main sources of gold in Western Europe at the beginning of the 20th century); the Brosso and Traversella mines; the Candoglia quarries, source of the marble used to build the famous Milan cathedral and type locality of paracelsian, taramellite and wenkite; the pyrope-coesite-quartzite outcrops of Dora-Maira massif, source of six IMA-approved new species; and the eclogitized manganese deposit of Prabornaz (Praborna), type locality for braunite, piemontite, romeite, strontiomelane, and manganiandrosite-(Ce).
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.