Found at the top of eroded hill of similar color (W. NV). Nearby to chalk and selenite. Looks like it's made up of tiny crystals, but not sure if that's case. What
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Chalk is made up of calcium carbonate. When powdered chalk is left in a solution of a strong acid, it produces bubbles faster compared to a chalk stick. What is the best
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Found at the top of eroded hill of similar color (W. NV). Nearby to chalk and selenite. Looks like it's made up of tiny crystals, but not sure if that's case. What
