Clear Quartz Crackle Crystal Double Terminated Points with Golden Healer Also known as Fire and Ice Quartz. Created by heating natural quartz to high temperature till the crystal fractures and cracks in the inside. The effect is beautiful high quality rainbow reflections. Clear quartz crystals are energy amplifiers. Whatever energy you bring, they will amplify whether it’s clear and concise, muddled or confused, angry and disconnected, or joyful and enlightened. Consider quartz as a magnifying glass to your energy and emotions, and strive to use your crystals as healing tools with respect and mindfulness.