Charles’s Reviews > Salt: A World History > Status Update
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Author Mark Kurlansky had a lump of rock salt from the Cardona salt mountain. One day, it got rained on, and white salt crystals started appearing on the pink. By the next day, it was sitting in a puddle of brine that had leached out of the rock. After a few hours, square white crystals began to appear in the puddle; that was due to solar evaporation. Yet the rock never seemed to shrink.
— Feb 14, 2022 10:01PM
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Sometimes in dry weather it would appear to completely dry out, but on a humid day, a puddle would again appear under it. When baked in a small oven, white stalactites droops from the grill. When left on a steel radiator cover, the brine starts corroding the metal. And on a small copper tray, at the bottom of the rock, green crust starts to form, and when removed, the copper had been polished.
— Feb 14, 2022 10:01PM
