The presence of hematite (iron oxide) can deliver purple and brown types of obsidian, whilst tiny gasoline bubbles might create a golden sheen. Dim bands or mottling in gray, green, or yellow are recognized for this interesting rock form. Recall, when anthracite appears visually amazing and might be a https://shaneuahmr.dm-blog.com/27981260/indicators-on-gold-spiral-wrap-around-sandals-you-should-know