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Gypsum or alabaster is used to clear cloudy white wines; as also fresh slaked lime; and the size of a walnut of sugar of lead, with a table spoonful of sal enixum, is put to forty gallons of muddy wine, to clear it; and hence, as the sugar of lead is decomposed, and changed into an insoluble sulphat of lead, which falls to the bottom, the practice is not so dangerous as has been represented.
Is it of the same formation as that of Guire, on the coast of Paria, which contains sulphur? or do the masses of this latter substance, found in the valley of Buen Pastor and on the banks of the Orinoco, belong, with the argillaceous gypsum of the Llanos, to a secondary formation much more recent.
On the one hand, fourteen grooms are leading fourteen horses down to the Tigris to be watered; on the other, servants are mounting with provisions for the royal table in baskets on their heads. The steps of basalt and gypsum, that afford communication between rooms of different levels at Khorsabad, are planned and adjusted with great skill and knowledge.
I have not given the name formation either to the sandstone of the Orinoco, of Cocollar, of Bergantin or to the gypsum of the Llanos, because nothing as yet proves the independence of those arenaceous and gypsous soils.
Papias will make us one of straw, rags and gypsum I know his magic hand and in order that the others may not be too unlike their new-born sister they shall be whitewashed." "Capital but why choose Papias when we have Harmodius?" "Harmodius takes art in earnest, and we should have the Emperor here before he had completed his sketches.
Muriatiferous clay mixed with bitumen and lenticular gypsum and sometimes passing to a darkish brown clay, devoid of salt, is a formation widely spread through this peninsula, in the island of Margareta and on the opposite continent, near the castle of San Antonio de Cumana.
At this period, the submarine craters yielded at intervals a prodigious supply of gypsum and other mineral exhalations, and occasionally, in certain places poured forth lavas, chiefly of a feldspathic nature: at this period, islands clothed with fir-trees and composed of porphyries, primary rocks, and the lower gypseous strata had already been locally upheaved, and exposed to the action of the waves; the general movement, however, at this time having been over a very wide area, one of slow subsidence, prolonged till the bed of the sea sank several thousand feet.
Several times we went by small passes through gypsum hills, lovely to behold, and twice we passed water, not so bitter as Ghail Babwazir. We had plenty of up and down hill, but never had to dismount. The way was, for the most part, arid and uninteresting. Four years before, in these passes, the Hamoumi had attacked a caravan and killed nine men, taking eighty camels and 2,000 rupees.
The gypsum, with its associated marls before described, is in greatest force towards the centre of the basin, where the calcaire grossier and calcaire silicieux are less fully developed. In some parts of the Paris basin, sands and marls, called the Gres de Beauchamp, or Sables moyens, divide the gypseous beds from the calcaire grossier proper.
These fleshy weeds resemble the cactuses in being succulent and thick-skinned but they differ from them in their curious ability to live upon very salt and soda-laden water. All through the great African desert region, in fact, most of the water is more or less brackish; 'bitter lakes' are common, and gypsum often covers the ground over immense areas.
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