In this case, the material is microscopic crystals of metallic magnetite, a magnetic mineral; it’s the light hitting magnetite that makes the obsidian appear colorful, rather than the mineral ...

pure obsidian takes on a smooth, glossy shine. However, snowflake patterns can occasionally appear within the material due to the presence of the mineral cristobalite, which has been created ...

Obsidian Energy (NYSE:OBE) +2.7% post-market Wednesday after saying it agreed to sell its operated Pembina assets, while retaining its non-operated holdings in the Pembina Cardium Unit #11, to ...