Dunyodagi boy yillik resurslar asosan Afrikada jamlangan, Osiyo, Amerika va okeaniya. 1. Africa The African continent is rich in gem resources and is known as the “Jahon gem ombori”. U olmoslarga boy, yoqut, safirlar, oltin zumrad, zumradlar, akvaarin, atletika, peridot va firuza, among which diamonds are the most […]
