The Chalcedony color range is from opaque blue, dyed: aqua and pink with a waxy luster.
Chrysopal, Tanzanite, Rose Quartz, Prehnite or Chrysoprase look similar to Chalcedonies.
Namibia, South Africa, India, Turkey, Brazil, Sri Lanka, Madagascar, USA
Chalcedony is also known as “speaker’s stone”. The philosopher Demosthenes said to have placed one under his tongue to train his pronunciation. In ancient times used for cameos, dedicated to the gods of air and water - therefore also known as “weather stone”.
Palm Beach, Romance
Do not expose stones to direct sunlight, as the color might fade. Clean with warm water and soap. Do not use ultrasonic and steam cleaning.