Optical mineralogyMineral optics. Descriptions of individual minerals. |
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Common terms and phrases
acute bisectrix Aegirine aggregates albite Andalusite anisotropic Antigorite Aragonite axial plane axis balsam Barite biaxial negative biaxial positive Biotite Birefringence bisectrix c-axis calcite Chalcedony cleavage traces Collophane color bands Color.—Colorless in thin common cross sections crossed nicols determined Dispersion double refraction Dumortierite elongated Epidote euhedral euhedral crystals Extinction parallel feldspars figure is biaxial Fluorite fragments garnet Gibbsite glass Glaucophane grains Grunerite gypsum hexagonal hornblende igneous rocks index ellipsoid indices of refraction interference figure Interference Figure.—The figure isogyres isometric isotropic large axial angle length-fast length-slow Leucite liquids maximum interference color metamorphic Microcline microscope mineraloid Monoclinic muscovite Nepheline normal olivine optic axes orientation Orientation.—The Orthorhombic parallel to 010 plagioclase plane is 010 pleochroic polarized prism pyroxene quartz quartz wedge Relief rhombohedral right angles Section parallel Sillimanite slide slow ray surface tetragonal thickness thin sections tion Tourmaline triclinic Tridymite twin-plane twinning uniaxial usually occurs velocity vibration direction weak
Bibliographic information
| Title | Optical mineralogy |
| Authors | Austin Flint Rogers, Paul Francis Kerr |
| Edition | 2 |
| Publisher | McGraw-Hill Book Company, inc., 1942 |
| Original from | the University of California |
| Digitized | Oct 16, 2008 |
| Length | 390 pages |
| Subjects | Luz Mineralogia optica Mineralogy, Determinative Optical mineralogy |
| Export Citation | BiBTeX EndNote RefMan |