Sphatik Black Stone Mala is designed in a black color with a small hole in bottom to combined with the thread of other beads. It is used to count mantras while chanting. It is helpful for healing and purifying your body. Sphatik Black Stone Mala has a very smooth beads which doesnât slip while worship to god. It is a powerhouse of generating positivity and removing all the negativity from life. It can easily rub in your hands without falling down any beads.