Clear Quartz energizes and activates your chakras. It amplifies the energy level of any other gemstone it touches, making it an ideal crystal to use with others. It is a good crystal for balancing energy and also unblocking energy and so it commonly used in acupuncture.
These gemstones are approximately 20mm - 30mm per stone.
Why not buy an organza bag for an extra 39p to keep your crystal safe?