Beauty in Blue BeadV p ch thc l v p n r t bn trong. Ht thy tinh vi 126 mt ct trong hnh nh mt bng hoa mu ngc lam xinh p, n r trn nhng m my xun xoy cng nhng vt mu vng rm nht. Xin lu : Thy tinh l mt vt liu tuyt vi. Mi ht thy tinh u c lm th cng t thy tinh nung trong ngn la trn v khng c hai ht thy tinh no ging nhau hon ton. iu ny lin quan n kch thc, mu sc v kiu mu. Ht ca bn l hon ton c o v c th c mt s bin th nh so vi ht trong hnh.