Feldspar Cats-eye is extremely rare. Feldspar is a group of minerals that have similar characteristics due to a similar structure. All feldspars have low symmetry.
The different feldspars are distinguished by structure and chemistry. Often, feldspars are simply referred to as plagioclase and orthoclase.
Rarely some Feldspar displays chatoyancy and is cut as Cats-eyes. Feldspar Cats-eyes are much sought-after by collectors 
