Grunerite yog mineral ntawm amphibole pawg ntawm cov zaub mov nrog mis Fe 7 Si 8 O 22(OH)2. Nws yog cov hlau endmember ntawm grunerite-cummingtonite series. Nws tsim raws li fibrous, columnar los yog loj aggregates ntawm crystals. Cov crystals yog monoclinic prismatic.
Puas yog grunerit a amphibole?
Description: Grunerite yog ib tug tswv cuab ntawm tsev neeg amphibole. Nws tshwm sim hauv cov pob zeb uas muaj hlau-nplua nuj uas tau raug rau qib nrab ntawm metamorphism. … Nws yog txuam nrog magnetite, ankerite, almandine, minnesotaite, cummingtonite, stilpnomelane thiab hlau-nplua nuj pyroxenes (U. S. G. S., 1976; Laybourn, 1979).
mg Fe yog dab tsi?
References. Cummingtonite (/ˈkʌmɪŋtəˌnaɪt/ KUM-ing-tə-nyte) yog metamorphic amphibole nrog cov tshuaj muaj pes tsawg leeg (Mg, Fe 2 +) 2(Mg, Fe 2+)
Puas yog feldspar teeb lossis tsaus?
Feldspars feem ntau yog dawb lossis ze li dawb, txawm tias lawv yuav pom tseeb lossis lub teeb ntxoov txiv kab ntxwv lossis buff. Lawv feem ntau muaj ib lub iav luster. Feldspar yog hu ua pob zeb-forming ntxhia, ntau heev, thiab feem ntau ua rau ib feem loj ntawm pob zeb.
Amphiboles muab piv txwv li cas?
Cov no yog: anthophyllite, riebeckite, cummingtonite / grunerite series, thiab actinolite / tremolite series. Cov cummingtonite/grunerite series feem ntau hu ua amosite lossis "xim avasbestos", thiab riebeckite yog hu ua crocidolite los yog "xiav asbestos." Cov no feem ntau hu ua amphibole asbestos.
