Optical Mineralogy |
Contents
Mineral Preparations for Microscopic Study | 3 |
The Polarizing Microscope | 13 |
A Summary of the Properties of Light | 51 |
Copyright | |
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Common terms and phrases
acute bisectrix Aegirine aggregates albite alteration amphibole Andalusite anhedral anisotropic Antigorite Aragonite axes axial plane balsam Barite biaxial negative biaxial positive biotite Birefringence bisectrix calcite chlorite circle cleavage traces Colorless in thin common cross hairs cross sections crossed polars Dispersion Distinguishing Features Dolomite Epidote euhedral euhedral crystals feldspars figure is biaxial Fluorite Form fragments garnet glass grains gypsum hexagonal hornblende igneous rocks illumination indices of refraction Interference Figure isotropic Kaolinite large axial angle Lawsonite length-fast length-slow lens light liquids magnification maximum extinction angle metamorphic mica Microcline Moderate Monoclinic muscovite normal olivine optic axis Orientation diagram orthoclase Orthorhombic parallel to 010 plagioclase plane is 010 plate pleochroic polarizing microscope prism quartz quartz wedge Related Minerals Relief rhombohedral right angles rotated Sanidine Section parallel Sillimanite slide slow ray structure thickness thin sections tion Tourmaline Triclinic twin-plane uniaxial universal stage velocity vibration direction yellow