Snowflake Obsidian
Source: World wide
Chemical: Si ( natural glass)
Crystal System: None
Formation: Forms in volcanic lava flows that cool quickly
Unusual Properties: The snowflakes in this natural glass are caused by the natural glass as degenerated around areas that you see as snowflakes. Below is a photo of the back side of the specimen shown above. Notice the conchoidial, glass like breakage marks across the surface.
