What I said is too one-sided. Novices judge the authenticity of tourmaline through the quality inspection of products by the State Bureau of Technical and Quality Supervision. You can't be 100% sure by other means, and the quality inspection certificate is generally worn by merchants, and the goods in Mei Wei Jewelry Mall are all worn;
As for whether the scraps of paper can't be sucked up, I suggest rubbing them for a long time. Cut the paper very, very small with scissors. Remember, whether the paper can be sucked up is not a favorable means to identify the authenticity of tourmaline. Just listen to it.