SNOWFLAKE OBSIDIAN

Snowflake Obsidian – Obsidian is a naturally formed volcanic glass that originates as extrusive, igneous rock.

Its formation is a result of rapid volcanic cooling with minimal crystal growth. Felsic lava with a high silica content moves within what is known as an obsidian flow. The low crystal growth is caused by high viscosity and polymerisation degree that inhibits atomic diffusion.

It is classed as a rock rather than a mineral as it is formed from various minerals, like feldspar and hematite, as minor minerals to the significant mineral, volcanic glass.

Snowflake Obsidian is formed with the inclusion of Cristobalite crystals. They appear as small white radial clusters of white and patterns of glass bubbles during the cooling process.

 

 

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