-
Puas yog quartzite zoo dua granite?
Puas yog quartzite zoo dua granite? Granite thiab quartzite yog ob qho tib si tawv dua li marble, ua rau lawv sib npaug haum rau kev siv hauv tsev kho kom zoo nkauj. Quartzite, ntawm qhov tod tes, yog qhov nyuaj dua. Granite muaj Mohs hardness ntawm 6-6.5, thaum quartzite muaj Mohs hardness o ...Nyeem ntxiv -
Vim li cas granite pob zeb thiaj li muaj zog thiab ruaj khov?
Vim li cas granite pob zeb thiaj li muaj zog thiab ruaj khov? Granite yog ib lub pob zeb uas muaj zog tshaj plaws hauv cov pob zeb. Nws tsis tsuas yog nyuaj, tab sis tsis yooj yim yaj los ntawm dej. Nws tsis raug rau erosion los ntawm acid thiab alkali. Nws tuaj yeem tiv taus ntau tshaj 2000 kg ntawm siab ib square centimeter ...Nyeem ntxiv -
Ntawm qhov sib txawv ntawm marble thiab granite
Ntawm qhov sib txawv ntawm marble thiab granite Txoj kev kom paub qhov txawv ntawm marble los ntawm granite yog pom lawv cov qauv. Cov qauv ntawm marble yog nplua nuj, cov kab qauv yog du, thiab cov xim hloov yog nplua nuj. Cov qauv granite yog speckled, tsis muaj cov qauv pom tseeb, thiab cov xim feem ntau yog whit ...Nyeem ntxiv
