Blue aragonite free form mineral. You get one blue aragonite crystal very similar to appear in image above, picked at random. Please expect some slight variation in terms of shape, color and transparency, 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: Small: 40mm - 50mm (50g - 100g) Medium: 60mm - 100mm (100g - 200g) Large: 70mm - 100mm (200g - 300g) XL: 80mm - 110mm (300g - 400g) XXL: 90mm - 130mm (400g - 500g) XXXL: 130mm - 140mm (600g - 700g) Type: Blue Aragonite Colors: Turquoise blue, sky blue, bluish green, brown Transparency: Opaque - Translucent Mohs hardness: 3,5 - 4 Polished: Shape on all sides Shape: Free Form Approx measurements: 40mm - 140mm/1,5" - 5,5" Approx weight: 50g - 700g Origin: Pakistan