Natural Finest Quality Red Shade Andulasite Smooth Pear Drop Briolette Beads Strand Sold per 6 beads & Sizes from 7mm to 8mm approx.Andalusite is a gemstone that commonly consists inclusions of carbon or clay which looks similers to needles. Gem grade andalusite is found in Andalusia, Spain. The gemstone usually shows a color play of red, yellow and green colors due to pleochroism effect.