K(Na0.5Ca0.5)2ThSi8O20 tP64 124

• Ca-K-Na-O-Si-Th
• Ca-H-K-Mn-Na-O-Si-Th
• Ca-Na-O-Si-U
• Ca-Dy-K-Na-Nd-O-Si-Th-U
• Ca-Na-O-Si-Th
• structural properties
• refractive index
• optical properties
• ordinary refractive index
• mechanical properties
• alkali
• alkaline
• metalloid
• chalcogen
• radioactive
• tetragonal