Xov xwm

Calcite yuav tsum tsis txhob raug tshav ntuj ncaj qha rau lub sijhawm ntev, vim qhov no tuaj yeem ua rau cov xim hloov lossis txawm ploj.

Calcite (CaCO₃) muaj ntau yam kev siv.

Calcite yog calcium carbonate ntxhia, thiab nws yog cov feem ntau hom calcium carbonate.

Dolomite xav tau kev tu tsis tu ncua. Siv cov tshuaj tsis huv thiab cov ntaub mos muag rau kev ntxuav.

Dolomite yog cov pob zeb sedimentary feem ntau tsim los ntawm calcium carbonate, thiab nws los ntawm ntau yam xim, feem ntau suav nrog cov hauv qab no:

Dolomite, trigonal carbonate ntxhia, muaj cov tshuaj formula CaMg (CO3)2.

Dolomite yog ib qho tseem ceeb carbonate ntxhia, feem ntau muaj cov calcium magnesium carbonate (CaMg(CO₃)₂), thiab muaj kev siv dav thiab tseem ceeb hauv kev lag luam ntau.

Dolomite yog cov ntxhia carbonate, suav nrog hlau dolomite thiab manganese dolomite. Nws cov qauv siv lead ua zoo li calcite, feem ntau tshwm sim li rhombohedral muaju.