Coquina Jasper is a consolidated sedimentary rock of biochemical origin, mainly composed of the mineral calcite, and some phosphate, in the form of seashells or coral. It may include the shells of mollusks, trilobites, brachiopods and other invertebrates.
Coquina Jasper forms near the shore, where wave action is vigorous and sorts the sediments well.
Like most jaspers Coquina Jasper cabochons take a great polish, but the hardness can vary and the stone can have some very tiny surface pits.
The stones are set on sterling silver the added accent on top is brushed silver.