It doesnt matter what key the sound is, so long as the sound emitted is loud enough for the vibration to fully encompass the stone. Glarner recommends using pyrite when you want to attract more money into your life. You may even leave your crystal in the smoke for a few minutes longer for a more thorough cleansing. Wash the crystal with soap and water. To begin, ignite the end of an incense stick and wait for the fire to burn out, leaving just the smoke. 5 Ways to Connect Wireless Headphones to TV.