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Lepidolyt

Lepidolyt (az yun. lepis — pulakcha va lithos — sayg), mineral az guruhi abraq. Tarkibi khimiyaviash taqriban KLi2Al(Al,Si)3O10(F,OH)2) va omekhtahoi Fe2+, Mn, Cs, Rb, Na dorad. Dar sistemai monoklini kristall basta, kristallhoi takhtachamonand va massahoi pulakchashakli maydadona hosil menamoyad.

Lepidolyt
Surati Lepidolyt

Rangi Lepidolyt gulobi, safed, bunafsh va bazan berang meshavad. jiloyash shishagun. Sakhtiash 2,5—3,5; zichiash 2800—2900 kg. Lepedizavrho dar pegmatitho, granithoi tagyiryofta (greyzenho) va raghoi gidrotermalii balandharorat aksar hamrohi turmalini gulobi, spodumen, topaz, kastiterit, flyuorit va digar mineralho vomekhurad. Az Lepedizavrho litiy va namakhoi on, bazan seziy istehsol mekunand. Konhoi Lepedizavrho dar SSSR (Ural, Zabaykaliya), Chekhoslovakiya, ShMA, Shvesiya, Kanada yoft shudaand.

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SATHI DAVRZANI

SATHI DAVRZANI, sathest, ki dar natijai dar atrofi mehvari beharakat davr zadani yagon khati kaj …