Locality: Mineral Point area, Iowa Co., Wisconsin, USA
Dimensions: 7.5 x 6.2 x 2.3 cm.
A nice specimen of clear calcite crystals with minor hemimorphite from the very old lead and zinc mining district of Mineral Point, Wisconsin. From the collection of prominent 19th Century Pennsylvania collector and businessman William W. Jefferis, with a handwritten label in good condition. Classic!