Halite and gypsum equally form apparent crystals that are certainly comfortable and so are conveniently scratched. Licking a sample will promptly distinguish The 2, as halite has the identical composition as desk salt and a very unique ‘salty’ flavor. For people who dislike the idea of licking mineral samples, the https://www.propanraya.com/id/produk/eco-gypsum-ee-4050