Gypsum on Calcite    Huangshaping, Hunan, China.   Clear, doubly-terminated gypsum crystals to 3 cm on light green (included by another species) calcite.  This is an outstanding specimen with zero damage, well distributed crystals and no contact points.  A superb floater!  8.4 x 8 x 4.5 cm overall.  A top shelf piece!    $175