Quartz 4mm beads for jewelry making. Quartz Crystal is a projective and receptive crystal, being able to absorb and emit energy. This master healer has the ability to open you up to source and divine wisdom. It will work on any condition and a few of its energetic powers are, protection, healing, cleansing, amplifying, stimulation psychism, divination, headaches and more. String of beads with approximately 88 4mm beads per string this may vary slightly.