Optical MineralogyMineral optics; Mineral descriptions. |
Contents
The Polarizing Microscope | 11 |
A Summary of the Properties of Light | 38 |
Refraction | 46 |
Copyright | |
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Common terms and phrases
Aegirine aggregates albite alteration amphibole Andalusite anhedral anisotropic Antigorite Aragonite axes axial plane balsam biaxial negative biaxial positive biotite Birefringence bisectrix c-axis calcite chlorite circle cleavage traces Collophane Colorless in thin common cross sections crossed nicols crosshairs Cummingtonite Dispersion Distinguishing Features double refraction elongated Epidote euhedral euhedral crystals feldspars figure is biaxial Fluorite Form fragments glass gypsum hexagonal Hornblende igneous rocks illumination index of refraction indices Interference Figure isotropic Kaolinite large axial angle length-fast length-slow lens light liquids magnification maximum extinction angle metamorphic mica Microcline mineraloid Moderate Monoclinic muscovite n₂ normal olivine optic axis Orientation diagram Orthoclase Orthorhombic parallel to 010 plagioclase plane is 010 plate pleochroic polarizing microscope Polysynthetic twinning prism pyroxene quartz Related Minerals Relief rhombohedral right angles rotated Section parallel Sillimanite slide slow ray thickness thin sections tion Tourmaline tridymite twin-plane uniaxial universal stage velocity vibrating parallel vibration direction weak