Dims: 4.61x3.64x2.39" (11.71x9.24x6.08cm)
Wt: 29.68oz (840g)
Swarthout Canyon, San Gabriel Mountains, San Bernardino County, California, USA
This is a good specimen of actinolite. While most of the surfaces are cleavage, there are a number of natural crystal surfaces including some that show striations, and a few crystals have terminations. These crystals have the usual green color, and the intergrown clusters result in an appealing crystal appearance. In places, the clusters are separated with areas of white talc crystals which have the characteristic pearly luster and soapy feel, and in at least one protected pocket distinct crystals are visible (silvery-white lamellar masses).