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