Tibetan Mala Necklace Quartz Crystal + Volcanic Rock

Tibetan mala made with mixed mineral stones, in this case volcanic rock and crystal quartz. Prayer rosary made with 6 mm mineral stone beads. To facilitate prayer, it has two different stones, arranged in this way: 18 Crystal Quartz stones, then 18 volcanic rock stones, then 36 Crystal Quartz stones, followed by 18 volcanic rock stones, ending with 18 Crystal Quartz stones.The pompom at the end is black, matching the color of the Volcanic Rock mineral stone. Composition: Volcanic Rock mineral stone and lapis lazuli. Approximate length: 42 cm + bottom pompom - measured straight across.