A Wooden substitute in The traditional globe: Such as, when wood became scarce on account of deforestation on Bronze Age Crete, gypsum was employed in creating building at spots where by wood was previously utilized.[42] Halite and gypsum equally sort clear crystals that are extremely delicate and are effortlessly scratched. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050