Location

Keystone Trap Rock Hoard, Chester County, Penn.

Description

Byssolite is a variety of actinolite comprised of free-growing, often matted, hair-like fiber as in this specimen from Pennsylvania. The fibrous mass is yellow green - green in color and is found coating the base matrix rock. The fibrous area is 15 cm across. The specimen is 40 x 20 x 20 mm in size. The green color in the Byssolite is caused by iron in its structure.

Price $24 -SOLD!