Description: This is the Calcite specimen, from Hubei, China, about 12.5cm height, geometric edges of crystal are very obvious, most of the area from the crystal head downwards is almost transparent! You can see the typical birefringence phenomenon of Calcite! There is a small amount of pale brown covering and inclusion, it is a rare high-quality and large Calcite crystal in this area! On a small matrix! The first choice for professional collectors!