Quartz (variety Amethyst)   Thunder Bay, Ontario, Canada.  Figured Specimen.  Ex. Harold L. Dibble collection and photographed in his book titled, Quartz.  8.2 x 6.3 x 3 cm piece with exceptional color and luster for this locality.  Beautiful hematite inclusions give these their unique color.  Several chipped crystals along top/back.  Good piece that took a really nice pic for Harold's book.  I can provide a copy of the book for an additional $20.      $90