Lemurian Quartz Twin 9 3/8oz (260g); 5"x 2" x 1 1/4" (12 1/2cm x 3cm x 5 1/2cm) Soulmate(Tantric Twin) A soulmate crystal does exactly what the name suggests-draws a soumate to you side-although this soumate may not be your sexual partner. These stones have powerful message concerning the bonding of two people into a close and intimate relationship. They teach how to be unique and separate, while united in equal partnership.