Inzululwazi zendalo | Ulwazi oluluncedo lomntu wonke.

yintoni i-corundum

yintoni i-corundum yamaminerali, i-crystalline-aluminium oxide (Al2O3), inkqubo ye-trigonal, i-ditrigonal-scalenohedral. Iyenzeka ngohlobo lokwahlulahlula okanye lokudibanisa phakathi kwamaqela e-barrel-emile, i-dipyramidal kunye namacwecwe amathebhu okubonakala kwe-pseudo-hexagonal, inclusions inclusions and ...

yiyiphi i-crust

yintoni uqweqwe lomhlaba liqokobhe lomhlaba Kulapho kukhula khona ingqolowa…. Uqweqwe lomhlaba liqokobhe elilukhuni elingaphandle loMhlaba (i-geosphere), inxalenye ye-lithosphere, enobunzima be-5 km (phantsi kolwandle) ukuya kwi-75 ...