MUSKOVIT, mineral az guruhi abraq, tarkibi khimiyaviash KA1a [AlSijOio] * (ON)2. Sistemai kristallbandii on monoklini; kristallhoyash takhta-takhta. Sakhtiash 2,5—3; zichiash 2760—3100 kilogramm/metr3. Odatan be-rang, bazan burtob yo sabztob meshavad. Jiloyash shishagun. Muskovit qismi tarkibii jinshoi magmaviyu metamorfi (granitho, pegmatithoi graniti, sienitho, greyzenho, varaqsanghoi kristalli, gneysho) meboshad. Kristallhoi kalon (barash to 1—2 metr) va tudahoi on dar raghoi pegmatiti vomekhurand. Binobar khususiyati balandi alektroizolyasiony doshtanash Muskovitro dar sanoat vase istifoda mebarand. Onro dar shakli abraqi v a r a qi (baroi izolyatorho, kondensatorho, telefonho va gayra), abraqi khoka (baroi istehsoli toli bompushi, kartoni abrakin, ranghoi otashtobovar va gayra) va fabrikati abraq (hamchun izolyatori asbobhoi elektri) kor mefarmoyand. Konhoi kaloni Muskovit dar nimjazirai Kola, Ural va Sibir mavjudand.