| gypsum |
hydrated calcium sulphate CaSO 4 ?H 2 O
출처: www.southeasternoutdoors.com/outdoors/caving/cavin...
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| gypsum |
A calcareous matter, impregnated with too great a quantity of vitriolic acid to permit it to be affected by any other acid.
출처: www.cagenweb.com/quarries/articles_and_books/marbl...
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| gypsum |
Hydrated Calcium Sulphate. Can form when limestone is attacked by sulphuric acid. The resulting product is larger than its components so can be 'squirted' through pores in the rock under pressure, whilst in crystalline form
출처: www.cavinguk.co.uk/book/index.php
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| gypsum |
A common mineral of evaporates in inland salt playas. Calcium sulphate
출처: www.nationalparks.nsw.gov.au/npws.nsf/Content/bior...
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| gypsum |
A hydrated form of calcium sulfate (CaSO 4 ). It supplies calcium to the soil, but it is a neutral substance and does not correct soil acidity; therefore it is not a liming material.
출처: www.spectrumanalytic.com/support/library/ff/Common...
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