It should be noted that the oxidation of sulphur itself by atmospheric influence may give rise to sulphuric acid, which in the presence of limestone will form gypsum: thus the sulphur-deposits of Sicily suffer alteration of this kind, and have their outcrop marked by a pale earthy gypseous rock call
gypseous הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד