A polished cabochon of chiastolite highlighting the natural cross formed by this mineral (also known as andalusite) is bezel-set in sterling silver with a decorative silver bead, plain bail, and closed back.
About 1.0" x 1.0" x 0.25" (25mm x 25mm x 4mm). The pendant measures 1.4" (35mm) from the top of the bail.