par CALCITE with BYSSOLITE inclustions with minor PYRITE, French Creek Mine, Chester County, Pennsylvania, 5 x 3 x 2.5 cm, Miniature, | |
Dark green Calcite. Looking with a loop there are a few areas (lighter areas) where the needles of included Byssolite are able to be seen. Most areas are too dark. Also a bonus are three octahedral Pyrite crystals also included in but exposed from the Calcite. French Creek is famous for world class Chalcopyrite. |