Technical Sheet - Snowflake Obsidian

Name Snowflake Obsidian
Class Semi-precious
Category Silicate
Crystal system Amorphous
Chemical composition Silicon dioxide (SiO₂) with inclusions of white feldspar or mica crystals
Hardness (Mohs scale) 5 to 5.5
Transparency Opaque to translucent
Geographical origin Volcanic zones of the United States (California, Oregon, Idaho), Mexico, Iceland