Description

Serpentine is a group of common rock forming hydrous Magnesium Iron Silicate minerals.  It can contain minor amounts of Chromium, Manganese, Cobalt or Nickel.  Serpentine may refer to over 20 different varieties that belong to the Serpentine group and the most common are Antigorite, Chrysotile and Lizardite.  The color is often green and may have a mottled or scaly appearance.