Rosary or Japa Mala in Pure Pearls Pearls Information: As of now Pearl Japa Mala is available in 2 sizes of pearls:1. 6mm, round, milky white pearls of best quality and shine. AAA Quality.2. 5mm, round, milky white pearls of best quality and shine. AAA Quality. Metal Information: 925 Sterling Silver - Purest form of silver used for ornaments is used to make the wire of these pearls. No. of pearls in the mala including meru - 108. Weight of japa mala with 5mm pearls - 35 grams. Weight of japa mala with 6mm pearls - 50 grams. Weight of silver in each mala - 15 grams approximately.