Large - 70mm - £13 each  (Fluorite)
Medium - 50mm - £8 each (Strawberry Quartz & Green Aventurine)
Small - 40mm - £5 each (Opalite, Goldstone, Pink Opal, Amethyst, Yellow Calcite, Blue Opalite, Sodalite, Labradorite, White Jade, Rose Quartz,  Yellow Jasper, Green Aventurine,  Serpentine &  Yellow Jasper.