Halite And gypsum equally form clear crystals that are certainly smooth and therefore are conveniently scratched. Licking a sample will swiftly distinguish the two, as halite has a similar composition as desk salt and a really distinctive ‘salty’ taste. For those who dislike the concept of licking mineral samples, The https://www.propanraya.com/id/produk/eco-gypsum-ee-4050