Blue calcite crystal sphere stone. You get one large blue calcite ball very similar to appear in image above, picked at random. Please expect some slight variation in terms of color, transparency, size and shape, as there are some variations unique for each stone. Note that all crystals are natural, so sometimes little imperfections can appear. Available in following approx sizes/weights: S Large: 60mm - 65mm (450g - 550g) Large: 70mm - 80mm (600g - 750g) XL: 85mm - 90mm (850g - 1.000g) XXL: 95mm - 100mm (1.000g - 1.200g) Type: Calcite Color: Blue Transparency: Opaque Mohs hardness: 3 Polished: Polished on all sides Shape: Sphere Approx measurements: 60mm - 100mm/2,7" - 3,9" Approx weight: 450g - 1.200g Origin: Madagascar