The crystal names Twin quartz crystal and Soulmate quartz crystal are used interchangeably.
Twin quartz crystal presents as two crystals of a similar size grown side-by-side.
They are sometimes called Tantric Twin quartz crystals.
Twinned crystal is able to assist us in our search for a mate by assisting one in attaining an appropriate energy for attracting a mate.
Twin quartz crystal is also helpful in relationships, to promote loving contact and togetherness. It may be a relationship with self or other.