...The per cent of silica in the ash of several common fodderplants is given below:... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...122, and there was 79 to 85 per cent of carbonate of lime together withcarbonate of magnesia, and iron, silica, and organic matter...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...It readily dissolves the silica in glass, andconsequently cannot be kept in a vessel of that material...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
..., are nativeearths, consisting chiefly of silica and alumina in combination withiron, which latter forms the principal colouring matter...
George Field 「Field's Chromatography」
...Invented about the year 1540, in Saxony, is a vitreous compound ofcobalt and silica, in fact a blue glass...
George Field 「Field's Chromatography」
...We already know stars and suns forwhich spectral analysis reveals a predominance of silica, e...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...A mixtureof lime and clay, a tufaceous deposit, and an apparently recent depositof soapstone, containing a variety of substances, as alumina, silica,lime, soda, magnesia, and iron...
Charles Sturt 「Expedition into Central Australia」
...25 Rock composed principally of silica and alumen forming sandstone...
Charles Sturt 「Expedition into Central Australia」
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