De matos gomes

• K-O-S
• H-O-S-Sr
• H-O-Pb-S
• structural properties
• optical properties
• refractive index
• extraordinary refractive index
• ordinary refractive index
• chalcogen
• non-disordered
• nonmetal
• birefringent
• dithionate
• monoclinic
• hexagonal
• trigonal