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Books Bücher 1 - 3 von 3 in An average granite may be expected to contain from two to three fifth parts of crystals...
" An average granite may be expected to contain from two to three fifth parts of crystals of quartz or crystalline quartz ; about the same, more or less, of felspar, also partly crystalline and chiefly in definite crystals ; and the remainder (one-tenth... "
The Applications of Geology to the Arts and Manufactures: Being Six Lectures ... - Seite 142
von David Thomas Ansted - 1865 - 300 Seiten
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Notes on building construction [by P.G.L. Smith].

Percy Gaillemard L. Smith - 1879
...predominating ingredient, felspar. " An average granite may be expected to contain from two to three fifth parts of crystals of quartz or crystalline quartz...(one-tenth part) of mica. But the mica may form two or three tenths, and the quartz threefifths or more, while the proportion of the felspar, as well as the...
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Notes on Building Construction: Materials course for honors

1892
...predominating ingredient, felspar. " An average granite may be expected to contain from two to three fifth parts of crystals of quartz or crystalline quartz...(one-tenth part) of mica. But the mica may form two or three tenths, and the quartz threefifths or more, -while the proportion of the felspar, as well as...
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Journal, Band 13

1865
...granites are mixtures of crystalline minerals in various proportions, and an average variety contains from two to three-fifth parts of crystals of quartz or crystalline quartz, alout the same of felspar, and the remainder mica. Granite possesses a mean specific pra vity of 2-66,...
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