Assertion: ammonium nitrate | /r/HasProperty | found as natural mineral
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text: Ammonium nitrate is found as a natural mineral (gwihabaite – the ammonium analogue of saltpetre, which is correctly called niter, and other nitre minerals such as sodium nitrate known as nitratine) in the driest regions of the Atacama Desert in Chile, often as a crust on the ground and/or in conjunction with other nitrate, iodate, and halide minerals.