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Manual
API
Products
Chalcogen, Electronic energy gap, Mg-Na
H-Mg-Na-O-S
H-Mg-Na-O-P
Mg-Na-O-P
Al-Mg-Na-O-Si
Ca-Mg-Na-O-P
values of electronic energy gap
chalcogen
alkali
alkaline
disordered
monoclinic
trigonal
cubic
orthorhombic
hexagonal