1 Kg Lot of natural rough blue aragonite crystals. You get 1 kg (3-5 pcs) of blue aragonite specimens 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. Type: Blue Aragonite Colors: Turquoise blue, sky blue, bluish green, brown Transparency: Opaque Mohs hardness: 3,5 - 4 Polished: Shape on all sides Shape: Free Form Approx measurements: 50mm - 110mm/1,9" - 4,3" Approx weight: 100g - 500g Origin: Pakistan