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 ...

The most colorful of all may just be rainbow obsidian, which features an array of iridescent colors, including shades of green, purple, and blue ... obsidian is both rock and glass.

Obsidian is a shiny black rock found in mountain areas ... Enter the cave below the Blue Obelisk at 27.8 Latitude and 33.0 Longitude, and you will find more obsidian covered in snow here.