Chlorite Group, Talc
Green Mountain Mine, Day Book, Yancey County, North Carolina, USA
A single, doubly terminated chlorite crystal (4.5 x 3.5 x 2 cm) with a small chunk of apple green talk attached to one side. The chlorite, which is jet black in color (blue in thin section), was completely embedded in talc and was exposed during collecting. The crystal exhibits well developed prism faces and highly stepped, tapering {001} faces, ...