Thalassia earrings are constructed by sterling silver 925. The gemstones are natural blue chalcedony 8x6mm oval shaped gemstone.
Chalcedony is a translucent stone with a light blue color. Chalcedony can be found in Brazil, Malawi, and Turkey (Mount Ararat). Its name comes from the Greek language and refers to the region of Chalcedon in Asia Minor.
Every pair may vary a bit, since it is handmade and gemstones are natural and genuine.