Granite Xim Txiav Li Cas

Granite yog ib lub pob zeb ntuj uas tsim los ntawm lwm hom minerals xws li quartz, potassium feldspar, mica, amphiboles, thiab cov kab ntawm lwm cov ntaub ntawv. Ib qho slab ntawm granite yuav muaj 20-60 feem pua ​​​​quartz, 10-65 feem pua ​​​​feldspar, thiab 5-15 feem pua ​​​​mica. Cov xim ntawm granite nyob ntawm tus nqi ntawm txhua yam ntawm cov minerals uas nws muaj.
Cov proportions ntawm cov zaub mov no muaj ntau ua nrog lub pob zeb molten uas txias rau thawj daim ntawv ntawm granite. Yog hais tias lub pob zeb molten muaj ntau ntau ntawm cov poov tshuaj feldspar, nws zoo li granite yuav siv xim liab. Yog hais tias lub pob zeb molten muaj ntau ntau ntawm quartz thiab amphibole, granite feem ntau yuav dub thiab dawb speckled-uas yog ib qho qauv zoo heev pom ntawm countertops.