528 Hz Love Frequency Crystal Singing Bowl - 8" Made With Emerald Fluorite528 Hz 8" Green Fluorite Crystal Singing Bowl Demo Made out of a stunning blend of emerald green fluorite and white quartz crystal, this is an unique alchemy crystal singing bowl tuned to the love frequency of 528 Hz. Considered one of the most potent frequencies, 528 Hz this frequency helps heal your heart chakra and attract love and deepen all connections and relationships in your life. We designed it in green as the color represents your heart