Locality: Alston Moor District, Cumbria, England
Dimensions: 9.7 x 6.8 x 4.2 cm.
A nice cabinet-size specimen of white scalenohedral calcite crystals over galena matrix from the Alston Moor District. From the collection of prominent 19th Century Pennsylvania collector and businessman William W. Jefferis, with a handwritten label in good condition. Classic!