. The clays and clay industry of New Jersey. Clay; Clay industries. no CLAYS AND CLAY INDUSTRY. meters, and consisting of quartz (Q), mica (M), feldspar (F) and lignite (L), the cloudiness of the feldspar being due to partial kaolinization. Fig. 33 shows the grains of fine and medium sand, and Fig. 34 the clay particles, the former being enlarged 115 diameters, the latter 362 Fig. 31. Drawing of an Alloway clay enlarged 362 diameters. COLOR. An unburned clay owes its color commonly to some iron com- pound or carbonaceous matter, a clay free from either of these being white. Carbona
. The clays and clay industry of New Jersey. Clay; Clay industries. no CLAYS AND CLAY INDUSTRY. meters, and consisting of quartz (Q), mica (M), feldspar (F) and lignite (L), the cloudiness of the feldspar being due to partial kaolinization. Fig. 33 shows the grains of fine and medium sand, and Fig. 34 the clay particles, the former being enlarged 115 diameters, the latter 362 Fig. 31. Drawing of an Alloway clay enlarged 362 diameters. COLOR. An unburned clay owes its color commonly to some iron com- pound or carbonaceous matter, a clay free from either of these being white. Carbonaceous matter will color a clay gray or black, depending on the quantity present, 3 to 4 per cent, being usually sufficient to produce a deep black. A sandy clay will, however,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ries, Heinrich, 1871-1951; Kümmel, Henry Barnard, 1867-; Knapp, George N. Trenton, N. J. , MacCrellish & Quigley, printers
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishertrent, bookyear1904
