Calcite from Leiping Mine, Leiping, Guiyang Co., Chenzhou, Hunan, China. The specimen has many mineral scientific points, first, the calcite are formed in twin style, and there are transparent to translucent second crystallized calcite on the surface, also the brown color of calcite due to many small pyrite and other IRON mineral coating association. There is the longer clear second crystallized calcite keep growing on the one calcite crystal head, interesting shape, special growing styple! size:5.5×4.5×2cm, NO.20230801FJ82DS.