Shown below is my favorite red, cinnabar. It is a pigment found as a mineral in nature and can have a wide variety of hues from bright fire red to a more subtle coral red. The principle property is mercury. It can have striations of opal, quartz, calcite and other minerals. According to Anita Albus in her book, Art of Arts, it is a Greek word, … [Read more...] about Naturally Red