Fire flies brass sleepers from krystle knight sleeper earrings featuring a small clear quartz crystal, available in sterling silver, brass (with sterling silver rod) & 24 carat rose gold plated (sterling silver). Crystal 0.5cm x 0.5cm sleeper 1.5cm clear quartz works on all areas of the mind and body, awakening, amplifying and transmitting energy and clarifying thought processes. It is an excellent stone for meditation, directing energies with more intensity. It connects to the higher self, removes negativity and allows access to your spirit guides. Clear quartz provides clarity in thinking and awareness. It is also a powerful healing stone for any condition. Please note: as the crystal are natural beauties, each crystal may vary slightly in size & clarity.