Tumbled Clear Quartz Silicon dioxide, Si02. Mohs: 7 Chakra: Crown. Source: Brazil. These tumbled clear quartz are perfect for carrying in a pocket or purse. Clear Quartz can act as an amplifier or substitute for any other crystal in healing. They can be used for pain relief and to remove a problem and to restore health. Even the smallest quartz carries the properties of a master healer teacher because in its sparkling white light it contains the entire colour spectrum. If you have only one healing crystal it should be clear quartz. Hold a Clear Quartz to natural light every day and state the new beginning you will have; transmits prayers. Clear Quartz is believed to heal and energize the body and anywhere it is directed for contact and absent healing help with diabetes, exhaustion, memory, metabolism, weight loss.