Pressure derivative of elastic stiffness coefficient, Tetrahedron 4-vertex

• Mg-O-Si
• Fe-O-Tb
• H-K-O-P
• Al-Gd-O
• Al-Lu-O
• non-disordered
• chalcogen
• ternary
• nonmetal
• transitional
• cubic
• tetragonal
• orthorhombic
• trigonal
• hexagonal