Ca-Mg, Chalcogen, Orthorhombic, Structural properties

• Ca-Fe-Mg-O-Si
• Al-Ca-H-K-Mg-Na-O-Si
• Ca-Mg-O-Si
• Al-Ca-Cr-Fe-Mg-O-Si
• Al-Ca-H-Mg-Na-O-Si
• alkaline
• chalcogen
• disordered
• metalloid