Does "rock salt" refer to saltpeter or halite or both, and what is the difference between the two?

Question

Does "rock salt" refer to saltpeter or halite or both, and what is the difference between the two?

Question #151823. Asked by chabenao1.
Last updated Nov 21 2024.
Originally posted Nov 21 2024 10:52 AM.

elburcher

Answer has 1 vote

elburcher

24 year member
1533 replies avatar

Answer has 1 vote.

Rock Salt is Halite

Rock salt is the name of a sedimentary rock that consists almost entirely of halite, a mineral composed of sodium chloride, NaCl.

https://geology.com/rocks/rock-salt.shtml

Nov 21 2024, 12:52 PM

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Answer 1

Saltpetre / saltpeter, on the other hand, is a nitrate compound, not a chloride. The name may refer to sodium nitrate, potassium nitrate or calcium nitrate; usually, if there is no qualification added, it is potassium nitrate.

https://www.britannica.com/science/saltpeter

Does "rock salt" refer to saltpeter or halite or both, and what is the difference between the two?

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