Ọ bụghị ihe mgbagwoju anya, na mmiri mmiri doro anya nke ọma na-asọfe site na ọtụtụ nnukwu ego quartz nchịkọta gburugburu nke a ugwu ugwu pụrụ iche, ndị na-echebara nlezianya egosipụta mmetụta nke udo na ọma na nleta.
