MAGNEZIT

MAGNEZIT, shpati magneziy (az nomi mahalli Magneziy dar Yunon), mineral az guruhi karbonatho. Tarkibi khimiyaviash MgCOs (MgO- 47,82%, SO- 52,18%). Sistemai kristallbandiash trigonali, namudi kristallhoyash romboziri. Beshtar dar shakli massahoi dona-dona vomekhurad. Rangash safed, khokistarii zardtob. Sakhtiash 3,75–4,25; murt; zichiash 2900—3100 kg/m3. Tudahoi Magmatizm dar jinshoi

namakdor (hamrohi gaj) va jinshoi ultraasosii tagyiryofta duchor meshavand. Vale konhoi muhimi sanoatii on bo dolomithoi metamorfshuda vobastaand. In guna konho bisyor buda, kalontarini onho dar SSSR (Urili Janubi, Sharqi Dur), Koreya, Khatoy. Chekhoslovakiya malumand. Magmatizm baroi istshsoli masolehi otashtobovar, inchunin dar sanoati kogaz, qand va g. istifoda meshavad.