Diamond Quartz, $15 (3 grams). You will receive one 3 gram bag like shown here. Quartz "Diamonds" are the high energy seekers of the crystal world. Being doubly terminated, they have the ability to not only transmit their own energies, but to receive spiritual energy and to amplify and focus it intently. These are very high vibrational crystals and known to clear the mind of chatter and clutter, as well as helping with knowledge and learning.