Topaz with Anatase, Rutile and Opal    Artroyos MIne, Potrillos, Sierre de San Francisco, Mun. de Coneto de Comonfort, Durango, Mexico.  Ex. Harold Dibble collection.  This attractive cluster of crystals measures 2 x 1.6 x .9 cm and have minor rutile inclusions.  The crystals, both singly and doubly-terminated, are mildly transparent.  Black micro anatase crystals scattered throughout the matrix.  On one termination can be seen a large mass of transparent opal.  No damage.  $85