Minerals — Sunstone

Sunstone is a type of feldspar mineral that is known for its unique optical properties. It is typically found in igneous rocks, such as basalt and granite, and is often associated with other minerals like quartz and mica.One of the most distinctive features of sunstone is its shimmering or glittering appearance, which is caused by tiny platelets of hematite or goethite within the crystal structure. This phenomenon is known as "aventurescence" and is similar to the effect seen in goldstone or aventurine glass.Sunstone can come in a range of colors, including yellow, orange, red, and green, depending on the amount...