16hekm.tr ((MAGNETITE, CHALCOPYRITE, PYRITE, CALCITE with BYSSOLITE inclusions)), $10 MINIMUM BID, French Creek Mines, St. Peters, Chester County, Pennsylvania, 7 x 6.5 x 4 , Cabinet, | |
The collecting areas have housing developements built and collecting areas are not accessible any longer. Typical Calcite protects the crystals of Chalcopyrite, etc. and is removed by HCl to expose the cystals. This specimen has some Calcite left on the upper right area which has green Byssolite inclusions giving it's color. This specimen has black vein on half the specimen of Magnetite. Golden massive Chalcopyrite and lustrous octahedral Pyrite crystals are present. |