Anhydrite
Chandler's Encyclopedia · 1898 · p. 5
CaSO4. Anhydrous calcium sulphate, frequently found a ociated with deposits of rock salt.
Bu kavram başka kaynaklarda da geçiyor
The American Dictionary and Cyclopedia (1910)
An Illustrated Encyclopaedic Medical Dictionary (1891)
Dictionary of Science, Literature and Art (1854)
Dictionary of Science, Literature and Art (1842)
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