Grossular on Vesuvianite     Sierra de Cruces, Coahuila, Mexico.  This big stocky doubly-terminated vesuvianite crystals has areas coated by groups of grossular.  They are gray in color with clear surfaces.  The overall luster and form are good and the piece has a base/ back contact and one very small contact area on the front.  Everything is in good condition.  5.7 x 3.3 x 2.5 cm.     $25