Chiavennite

• Be-Ca-H-Mn-O-Si
• Al-Be-Ca-Fe-H-Mg-Mn-Na-O-Si
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• electronic energy gap
• linear thermal expansion coefficient
• alkaline
• chalcogen
• chiavennite
• disordered
• orthorhombic
• monoclinic