Onyx Penguin Not many of our specimens

Not many of our specimens have the amount of "bubbles seen in this one

All of this material is found near the western coast of Sulawesi

Here we have a perfect example of dioptase crystals coated in a thin growth layer of chrysocolla and malachite

Malachite is such a fun mineral to collect

Its name is derived from the Latin word "ilia" meaning flanks

Onyx Penguin Not many of our specimensHere we have a beautiful penguin carving composed of a variety of onyx. Many of our customers love these semi realistic carvings for home decor or gifts! Size: 4. 3 x 2. 5 x 2. 1 in. Weight: 13. 6 oz Onyx is a variety of silicate minerals similar to agate. The primary difference is the formation of the chalcedony bands. Agates show curved banding while onyx shows parallel banding. The word onyx comes from the ancient Greek word "" meaning claw. The