Oxidize silver necklace and earring

all necklace silver oxidize ,first is silver necklace ganesha desin, second is dlobiri pendent with chain and earring combo

Color: Silver
Material: Alloy
Chain Length: 10.0 (in cm)
Earrings Length: 10.0 (in cm)
Diameter: 5.0 (in inches)
Country of Origin: India