Sentence Examples


  • Among the commonest associates of the diamond are quartz, topaz, tourmaline, rutile, zircon, magnetite, garnet, spinel and other minerals which are common accessory constituents of granite, gneiss and the crystalline schists.
  • Magnetite, or magnetic iron, the richest of all iron ores, is found in abundance near Wallerawang in New South Wales.
  • Magnetite occurs in great abundance in Western Australia, together with haematite, which would be of enormous value if cheap labour were available.
  • Considerable quantities of the following minerals have been found: barytes (heavy spar), magnetite (magnetic iron ore), and pyrolusite (manganese dioxide) in Humboldt county; roofing slate in Esmeralda county; cinnabar (ore containing quicksilver) in Washoe county; haematite in Elko and Churchill counties; cerussite and galena (lead ores) in Eureka county; and wolframite (a source of tungsten) at Round Mountain, White Pine county.
  • In 1908 the product amounted to 48,522 long tons (all magnetite), and was valued at $76,877; almost the entire product is from the Cranberry mines, near Cranberry, Mitchell county.
 

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