Tiny, dark green, acicular actinolite crystals, locally with equally tiny, brownish-green epidote crystals, lining vugs in fractured and rehealed massive actinolite. Several anhedral grains of sphalerite are included within the massive actinolite on the back of the specimen. From the Gary Grenier collection (his no. GG3033), this specimen is now in the collection of Steven Phillips.
Identifier: ACT6a Locality: Sterling mine, Ogdensburg Specimen size: 10 x 5.5 x 3.5 cm Photo credit: Earl R. Verbeek
