The gorgeous carnelian gemstone cabochons shown here are 18mm long. They are available to be handcrafted into a custom made ring or pendant for you.
Carnelian is a variety of the silica mineral chalcedony, which has been coloured by impurities of iron oxide. The colour can vary greatly, ranging from pale orange to an intense almost-black. It is commonly found in Brazil, India, Siberia, and Germany.