Mineral - Labradorite

Name Labradorite
Class Silicates
Category Plagioclase feldspar
Crystal system Triclinic
Chemical composition (Ca,Na)(Al,Si)₄O₈ — calcium and sodium silicate with aluminum and silicon
Hardness (Mohs scale) 6 to 6.5
Transparency Translucent to opaque
Geographical origin Canada (Labrador), Madagascar, Russia, Norway, Finland, Mexico