Types of Turquoise - A Turquoise Lover's Guide Turquoise jewelry is your best friend if you wish to explore the breathtaking allure of the sky and the sea. What is turquoise? Basically, it is a mineral of copper and aluminum-rich phosphate which is loved for its uses in the field of jewelry making. Although there are many types of turquoise stones, it is mainly of six types –normal turquoise, copper turquoise, oyster turquoise, Tibetan turquoise, Purple Mojave turquoise, and green copper turquoise. It does not matter whether you are seeking turquoise for its healing properties or you want to opt for turquoise jewelry because you are mesmerized by its beauty, turquoise is a captivating stone to be worn and used.