Tags
- Africa
- Ångström
- Arizona
- Australia
- Barium
- Bibcode
- Birefringence
- Caesium
- Calcium
- Carbon County, Pennsylvania
- Chemical formula
- Chemist
- Cleavage
- Colorado
- Colorado Plateau
- Congo
- Crystal habit
- Crystal structure
- Crystal system
- Crystal twinning
- DOI
- Fracture
- Gilbert U-238 Atomic Energy Laboratory
- Grants, New Mexico
- Hydrogen
- International Standard Book Number
- Iron
- Kazakhstan
- Late Miocene
- Lustre
- Magnesium
- Mineral
- Mining engineering
- Mohs scale of mineral hardness
- Monoclinic crystal system
- Montrose County, Colorado
- Morocco
- Nevada
- Ore
- Oxygen
- Pakistan
- Petrified
- Potassium
- Quackery involving radioactive substances
- Radioactive
- Radium
- Radium Hill
- Refractive index
- Sandstone
- Sedimentary rock
- Sodium
- South Dakota
- Space group
- Specific gravity
- Streak
- Transparency and translucency
- Uranium
- Uranium in Africa
- U.S. state
- Utah
- Vanadate
- Vanadium
- Water
- World Nuclear Association
- Wyoming