Snowflake obsidian is a form of volcanic glass that features white or grayish “snowflake” shapes made of embedded cristobalite. These pretty patterns are not artificially added as a cheap ...

As with other forms of obsidian, rainbow obsidian is both rock and glass ... 20 million years ago – and the same goes for other types of obsidian too. That’s because obsidian is pretty ...

A compound is a substance that contains two or more elements close elementA pure substance that is made from only one type ... quickly. Obsidian is an example of an extrusive igneous rock.

Obsidian is a shiny black rock found in mountain areas, especially near lava mountains in Ark Lost Island. It is an extremely valuable resource for crafting several items. This guide will cover ...