This is a list of gemstones, organized by species and types.
There are over 300 types of minerals that have been used as gemstones.
Such as: There are a number of artificial and lab grown minerals used to produce gemstones.
These include: There are a number of organic materials used as gems, including: Some rocks are used as gems, including: Some minerals made into gemstones may display a chatoyancy or cat's eye effect, these include:[1]