Feldspar, Smoky Quartz, & Tourmaline Feldspar, Smoky Quartz, & Tourmaline Large Feldspar crystal with Smoky Quartz, & Tourmaline. From Pakistan. This piece is approx. 15 1/2" X 18" X 13 3/4" $1500.00 Post navigationPrevious post: Amethyst GeodeNext post: Mystic Merlinite (Indigo Gabbro) Bowl