Sunstone is a member of the feldspar family, similar to labradorite and moonstone. It is named for its warm shades of gold, orange, reds and occasional browns that sparkle like the sun. Inclusions of hematite and goethite refract light between the different crystal layers and produce an iridescent effect as the stone is viewed from different angles. This listing is for one randomly selected cabochon.
Mohs scale: 6-6.5
Locality: Southern Norway, Sweden, the United States, and Southern Australia.