Kuenzaniswa nebrown corundum uye chena corundum, single crystal corundum ine yakanyanya kuoma, kuomarara, imwechete particle spherical crystal chimiro, uye kuramba kwakasimba kupatsanurwa.
Rudzi rweimwe crystal corundum yakareruka yero, uye mhando yechigadzirwa ndeye hexagonal crystal
Nguva yekutumira: Kubvumbi-28-2023