A Descriptive Glossary of Radioactive Minerals |
Common terms and phrases
aggregates allanite alteration product American Mineralogist XXXVI autunite betafite Biaxial negative Biaxial positive Brittle brown in transmitted Cleavage closed tube Color Colorless to pale columbite Composition Conchoidal Crystal System Dana's System E. S. Dana Elements of Optical euxenite fergusonite Fluorescence fluorite Fracture Frondel and Fleischer Geological Survey Circular George greasy greenish yellow Habit Hardness hewettite Infusible Luster massive metamict Mineralogical Abstracts Mineralogy of Uranium monazite Monoclinic Occurrence Optical Mineralogy Orthorhombic pale yellow pearly pegmatites Pleochroic prismatic crystals Radioactivity rare earths reddish brown Reference Remarks resinous samarskite Soluble in acids Specific Gravity Streak subconchoidal Submetallic Survey Bulletin 1009-B Survey Circular 194 Synonym System of Mineralogy tabular Tenacity Tests Tetragonal Textbook of Mineralogy thorite thorium Thorium-Bearing Minerals torbernite transmitted light tyuyamunite U.S. Geological Survey Uniaxial negative Uniaxial positive uraninite Uranium and Thorium-Bearing uranium minerals uranophane variable Varieties Vitreous Weak Weeks and Thompson Winchell yellow in transmitted yellowish brown zircon