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Field book of common rocks and minerals : $b for identifying the rocks and minerals of the United States and interpreting their origins and meaningsLoomis, Frederic Brewster

Science

Field book of common rocks and minerals : $b for identifying the rocks and minerals of the United States and interpreting their origins and meanings

Name: Field book of common rocks and minerals : $b for identifying the rocks and minerals of the United States and interpreting their origins and meanings
Author: Loomis, Frederic Brewster

Loomis, Frederic Brewster

Minerals -- United States; Rocks -- United States

Labradorite, showing multiple twinning (the striation) and
          the iridescent play of colors (_in color_)                  299
  Plate 36.—Crystal form of a pyroxene. Cross sections of a pyroxene
          crystal showing the lines of intersection of two cleavage
          planes. Cross sections of pyroxenes, showing typical forms
          taken by crystals. Augite crystals, in crystalline
          limestone (_in color_)                                      300
  Plate 37.—Diagrams of amphibole crystals. Tremolite in silky
          fibrous crystals, asbestos. Hornblende crystals in
          quartzite                                                   326
  Plate 38.—The dodecahedron and the 24-sided figure characteristic
          of garnets. The garnet, grossularite. The garnet,
          alamandite (_in color_)                                     301
  Plate 39.—Beryl of gem quality. Zircon in syenite (_in color_)      302
  Plate 40.—Cyanite crystals in schist. A crystal of mica, showing
          basal cleavage (_in color_)                                 303
  Plate 41.—Crystal form typical of topaz. A topaz crystal from
          Brazil. Crystal form typical of staurolite when simple. A
          typical twin of staurolite (_in color_)                     304
  Plate 42.—Epidote crystals. Typical forms of epidote crystals.
          Typical forms of tourmaline                                 327
  Plate 43.—Serpentine. Chlorite (_in color_)                         305
  Plate 44.—The typical form of analcite. A typical natrolite
          crystal. The typical crystal form of stilbite. A
          sheaf-like bundle of fibrous crystals, typical of stilbite  329
  Plate 45.—A group of calcite crystals. Typical forms of calcite     330
  Plate 46.—Typical forms of aragonite. Typical form of the
          anhydrite crystal                                           331
  Plate 47.—A piece of gypsum looking on the surface of the perfect
          cleavage, and showing the two other cleavages as lines,
          intersecting at 66°. Twinning is also shown. A simple
          crystal of gypsum. Twin crystals of gypsum.                 332
  Plate 48.—A group of barite crystals. Outline of the typical
          tabular barite crystal. The six-sided double pyramid,
          composed of three interpenetrating crystals, typical of
          witherite and strontianite                                  328
  Plate 49.—Apatite crystals in crystalline calcite. The ends of
          apatite crystals showing common modes of termination (_in
          color_)                                                     306
  Plate 50.—A group of fluorite crystals. A group of halite crystals
          (_in color_)                                                307
  Plate 51.—Sulphur crystals. Ice crystals, the top one, the end of
          a hexagonal prism; the two lower figures multiple twins as

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Field book of common rocks and minerals : $b for identifying the rocks and minerals of the United States and interpreting their origins and meanings

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