Types of Tiger Eye Stone - The Complete Guide Tiger Eye Stone is a type of quartz crystal that is mainly found in the African sub-continent. It possesses an attractive brownish-golden color and it has a silky luster because of which it resembles the eye of a tiger. Talking about its transparency, it is opaque in nature. This stone is commonly mined in metamorphic rocks that are found in shades of brownish red with iron stripes on them.