Locality: Knauertown, Warwick Township, Chester Co., Pennsylvania, USA
Dimensions: 12.7 x 9.5 x 4.6 cm.
A nice large cabinet-size specimen of elongated, terminated green actinolite crystals from Knaeurtown, Pennsylvania. From the collection of prominent 19th Century Pennsylvania collector and businessman William W. Jefferis, with a handwritten label in good condition. Classic!