Organic Minerals
By general definition, organic minerals are compounds containing carbon. In other words, they are minerals formed as a result of biological processes. They are not often described as true miranal by mineralogists due to their organic origin.
Coal
Coal is a non-clastic sedimentary rock. They are the fossilized remains of plants and are in flammable black and brownish-black tones. Its main element...
Pearl
A pearl is a hard, shiny object produced in living tissue such as a crustacean mollusk or fossil conulariids. It is generally composed of calcium carbonate and mainly aragonite.
Coral
Coral is skeletal material produced by marine animals. Coral is organic and created by living organisms. When coral polyps die, the hardened skeleton remains and this material is used as a gemstone. Most corals are white, but nature can create coral in many other colors, including the popular orange to red forms. Usually its compound is calcium carbonate.
Black Amber (Jet)
Black amber, also known as jet, is a type of organic gemstone formed from fossilized wood. Unlike traditional amber, which is formed from tree...
