Nkume dị elu pụrụ iche. E nwere ọtụtụ ụdị nkume granite n'ụwa, mana ọ bụ naanị okwute ole na ole ka enwere ike itinye n'ọrụ nkenke.Anyị achọpụtala ọtụtụ ogbunigwe si n'akụkụ ụwa niile wee nwalee nkume ndị kwekọrọ. N'ikpeazụ, anyị chọtara ọtụtụ nkume nwere ezigbo ihe onwunwe: Jinan Black Granite na China, mmalite: Jinan City, Shandong Province, China (naanị na Jinan obodo) ...