20hhgd.is ((CALCITE, MARCASITE)), $20 MINIMUM BID, Brushy Creek Mine, Reynolds County, Missouri, 8 x 6 x 3.5 cm, Cabinet, | |
Grey scalenahedral terminated Cacite crystals with a druse of sparkling Marcasite crystals. Bottom shows the interrupted Calcite crystal growth where is was pulled off the softer matrix material. ex Glenn Davidson collection. |