Total weight of four gems: 12.11 grams, 60.55 carats
Size of largest cabochon: English: Inches: .77 height x .54 width x .29 thickness Metric: Millimeters: 19.67 height x 13.92 width x 7.54 thickness
Group of four high grade Chiastolite ring stone sized cabochons. This material is likely from China but also may be from Australia. Chiastolite is a variety of the mineral andalusite with the chemical composition Al2SiO5. It is noted for distinctive cross-shaped black inclusions of graphite. First two pictures are of the front and the third is of the back of the stone. Feel free to contact me about info on any of the stones or more pictures or a video. Free shipping with tracking within the U.S. and satisfaction guaranteed!