I’ve been hearing this question a lot lately. Basiclly, dt quartz are complete perfection!!! They’ve reached a terminated point to perfection on each end free from the rock matrix.
I most often use these to direct energy in 2 directions at once. This is perfect for clearing a blockage of energy between 2 chakras:
If hold one in each hand and you will notice it will actually help your meditation practice. You can use one on the third eye or the crown of your head to connect you with your higher self and to source energy during a meditation. Powerful stuffs!