The existence of hematite (iron oxide) can make purple and brown varieties of obsidian, even though small fuel bubbles may well create a golden sheen. Darkish bands or mottling in grey, eco-friendly, or yellow are known for this intriguing rock variety. After you include a bit of black tourmaline https://deanizpdu.blog2news.com/28502448/the-basic-principles-of-gold-spiral-wrap-around-sandals