Halite And gypsum each variety crystal clear crystals that are incredibly soft and so are conveniently scratched. Licking a sample will speedily distinguish The 2, as halite has the identical composition as desk salt and a really distinct ‘salty’ style. For people who dislike the thought of licking mineral samples, https://www.propanraya.com/id/produk/eco-gypsum-ee-4050
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