If you get the one with "crack" on the surface, called "ice crack", this is normal for all crystal, and some may have the "cotton fibre", it is not very clear. If you mind this, Please don't place orders. Please kindly leave good feedback to us if you like our items. We guarantee your 100% satisfaction with our specimens and service. This item is in the category "Collectibles\Rocks, Fossils & Minerals\Crystals & Mineral Specimens\Crystals".The seller is "shiguocrystal" and is located in this country: CN. This item can be shipped worldwide.