Halite And gypsum each sort obvious crystals that are extremely delicate and therefore are effortlessly scratched. Licking a sample will swiftly distinguish the two, as halite has exactly the same composition as desk salt and an exceedingly distinctive ‘salty’ flavor. For people who dislike the thought of licking mineral samples, https://www.propanraya.com/id/produk/eco-gypsum-ee-4050
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