"Spinel" Quotes from Famous Books
 ... from different parts of Canada. Among the assortment were garnets from the Stikine River and also from the Province of Quebec; amethysts from Thunder Bay; labradorite, finest in the world, from the Isle of St. Paul; spinel from Ottawa County, Quebec; sodalite from British Columbia; pitanite, Litchfield, Quebec; lercon and perthite from Quebec; sunstone and lebra stone from Perth, Ontario, and crown sunstone from ...
— Final Report of the Louisiana Purchase Exposition Commission • Louisiana Purchase Exposition Commission
... crystallizing the solution in vacuo. Sodium aluminate is obtained in the manufacture of alumina; it is used as a mordant in dyeing, and has other commercial applications. Other aluminates (in particular, of iron and magnesium), are of frequent occurrence in the mineral kingdom, e.g. spinel, gahnite, &c. ...
— Project Gutenberg Encyclopedia
... formation, with the exception of chromic iron, occur not in the serpentine but in the veins therein contained; for instance, crystals of dolomite are found deeper in the rock as they occur in the denser soapstone, which becomes so at a more or less considerable depth, with spinel, zircon, etc., of the granular limestone. They occur generally in pockets within five feat from the surface, but they can hardly be called included minerals, as they are rather, as their mention suggests, pockets, and adjacent or in contact with the ...
— Scientific American Supplement, No. 363, December 16, 1882 • Various |
