Andalusite, Al2 SiO5, is a little known, extremely pretty gemstone that has a hardness of 7.5 on the mohs scale. The gem generally shows two colors, green and orange, either color can be predominant. The crystal system is orthorhombic. Most gems come from Andalusia, Spain, Austria, China and California. More Information on Andalusite is Here! At this time we stock the following andalusite gemstones:
Click on any image to enlarge.