This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1836 Excerpt: ...in muriatic acid. Its constituents are as follow: These two analyses almost coincide. They give us the constitution of analcime as follows: 3 atoms bisilicate of alumina, 1 atom bisilicate of soda, 2 atoms water. The formula is 3AlS2+NS2+2Aq. Sp. 21. Lehuntite.% Compact zeolite. I give this name to a species of zeolite ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1836 Excerpt: ...in muriatic acid. Its constituents are as follow: These two analyses almost coincide. They give us the constitution of analcime as follows: 3 atoms bisilicate of alumina, 1 atom bisilicate of soda, 2 atoms water. The formula is 3AlS2+NS2+2Aq. Sp. 21. Lehuntite.% Compact zeolite. I give this name to a species of zeolite which occurs at Glen Arm, a precipice on the east coast of the County of Antrim, in an amygdaloidal rock. Colour flesh-red. Appears to the naked eye like a lump of sugar. Under the microscope it appears to be composed of minute scales. The mass, when broken in two, exhibits the appearance of five distinct layers, three of them flesh-red, and two of them white lines separating the flesh-red portion into three portions. Or it may be described as a flesh-red mass, with two parallel white lines near the centre. Translucent on the edges. Hardness 3-75; specific gravity 1-953. Before the blowpipe fuses into a white enamel. With car M. H. Rose, PoggendorPs Annalen, xii. 181. t By my analysis. The specimen was from the Giant's Causeway. % In honour of Captain Lehunt. bonate of soda it melts easily into a white enamel. With borax or biphosphate of soda it forms a transparent bead with a silica skeleton, which becomes opaque on cooling. Its constituents, by the analysis of my nephew, Dr. R. D. Thomson, are: Atoma. Silica, 47-33. 2366. 6-34 Alumina, 24-00. 10 66. 2 85 Soda, 13-20. 3-3 1 Lime, 1-524. 0-43 J Water, 1360. 12-08. 3 23 99-654 If we allow for a small deficiency of silica, the constitution of Lehuntite is 3 atoms bisilicate of alumina, 1 atom bisilicate of soda and lime, 3 atoms water. The formula is 3AlS2+(f N+iCal)S2+3Aq. Sp. 22. Cluthalite This mineral is found in the western part of the Kilpatrick hills, near Dumbarton, and is named from t...
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