Mineral - Sodalite

Name Sodalite
Class Silicates
Category Tectosilicate (feldspathoid group)
Crystal system Cubic
Chemical composition Sodium silicate with chlorine and aluminum (Na₈(Al₆Si₆O₂₄)Cl₂)
Hardness (Mohs scale) 5.5 to 6
Transparency Translucent to opaque
Geographical origin Canada, Brazil, Namibia, Russia, France