Tortoiseshell Gemstones & Minerals

The following is a list of Tortoiseshell gems and minerals listed in our database. Click the pictures to get full data, click the X to remove the gem from the list.


Shell: Shell is the hard, protective, outer layer covering of certain creatures found in saltwater or freshwater, such as mollusks, snails, and turtles. This layer consists of calcium-carbonate and chitin, secreted by the soft tissue mantle of most mollusks. The inner surface of the shell is made from smooth nacre which covers the mantle.
Shell is used as inexpensive material for various purposes (read full)