New Serpentinites

Recently I've come upon the remarkable stone serpentinite in some widely separated places: in the woods of Vermont, along the Calaveras fault in California, and on the face of a building in my home town. This specimen is from the second locality and shows the peculiar "mineral" called bastite—pyroxene crystals transformed to serpentine pseudocrysts. See the others just before this one in the Serpentinite Gallery.
_{Bastite in serpentinite — Geology Guide photo}