"Magnetite" Quotes from Famous Books
 ... be composed largely of quartz, intermingled with which is a fine, fibrous, radiated substance, the optical properties of which demonstrate it to be fibrolite. In addition, the rock is filled with minute crystals of octahedral form which are composed of magnetite, and scattered through the rock are minute yellow crystals of rutile. The red coloration which these specimens possess is due to thin films of hematite. The rock is therefore fibrolite schist, and from a lithological standpoint it ...
— Illustrated Catalogue Of The Collections Obtained From The Indians Of New Mexico And Arizona In 1879 • James Stevenson
... because it was entirely free from snow. Taylor's way had led him and his party over a deep fresh-water lake, four miles long, which was only surface frozen—this lake was full of algae. The gravels below a promising region of limestones rich in garnets were washed for gold, but only magnetite was found. When Taylor had thoroughly explored and examined the region of the glaciers to the westward of Cape Evans, his party retraced their footsteps and proceeded southward to examine the Koettlitz Glacier. Scott had purposely sent ...
— South with Scott • Edward R. G. R. Evans |
