...This last, impregnated with salt and veined withcrystalline gypsum, is a friable material, and unsuited for ornamentation... 
Gaston Camille Charles Maspero 「Manual Of Egyptian Archaeology And Guide To The Study Of Antiquities In Egypt」
...The size ofthe picture is 2 feet 8 by 2 feet 2, on panel, covered with gypsum...
Luigi Antonio Lanzi Thomas Roscoe 「The History of Painting in Italy, Vol. 1 (of 6)」
...It is abundant in sulphur, iron, and manganese ores, and sulphuretof mercury: but rare in gypsum, chalk, calcareous and silicious earths...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
...It is as a powder-bluefor the washtub that ultramarine gets disguised, when it is ground upwith soda-ash, chalk, gypsum, &c...
George Field 「Field's Chromatography」
...40 crossed to the left bank, the valley openingout and the soil improving, being formed by the decomposition of softshales, which contain much gypsum in fine crystals...
A C and F T Gregory 「Journals of Australian Explorations」
...Inseveral places we observed beds of gypsum and fossil shells with otherstrong indications of the existence of coal in the vicinity...
A C and F T Gregory 「Journals of Australian Explorations」
...This at first seemed firm; but, after half-a-mile, thehard crust of salt and gypsum, which formed the surface, gave way andthree of the horses were bogged almost at the same time...
A C and F T Gregory 「Journals of Australian Explorations」
...Shallowpools of brine, varying from one to three miles in diameter, withlow-wooded and high bare granite islets, were scattered over this vastarea of white mud gypsum and salt...
A C and F T Gregory 「Journals of Australian Explorations」
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