Classification:
Framework Silicates (Feldspars Group)
Place of origin:
Altai / Siberia, ex U.S.S.R
Depositional environment:
Major constituent of igneous rocks, hydrothermal and alpine veins. Product of sodium metasomatism.
Description:
Major constituent of igneous rocks, hydrothermal and alpine veins. Product of sodium metasomatism.
Chemical formula:
NaAlSi3O8
Crystal system:
Triclinic
Crystal schema:
Pinacoidal