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.

 

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