Home›Rocks and Minerals›Minerals›Rarity›RareBrowse ByRareRareComments (0)Reader Challenges (0)RareFilter Results4 entriesStrunz ClassAllOxides and Hydroxides (1)Silicates (1)Crystal SystemAllCubic Crystal System (2)Hexagonal Crystal System (1)Orthorhombic Crystal System (1)HardnessAll7.5 to 8.5 Mohs (2)LustreAllEarthy (1)Vitreous (2)Waxy or Greasy (1)ColourAllBlue or Purple (2)Brown (2)Colourless or White (1)Green (2)Grey or Black (2)Orange or Yellow (2)Red or Pink (2)Where FoundAllAustralia (3)Brazil (2)Canada (1)Colombia (1)India (1)Madagascar (2)Mexico (1)Myanmar (2)Namibia (1)Nigeria (2)Russia (2)Sri Lanka (1)Tanzania (1)United States (1)Vietnam (1)Zambia (1)Zimbabwe (2)UseAllGemstone (2)Formed By (Process)AllFractional Crystallization (2)Hydrothermal Mineral Deposition (2)Magmatism (1)Metamorphism (1)Metasomatism (2)Ultra-High-Pressure Metamorphism (1)Volcanism (1)Show ResultsBrowseCompareSelect all 4BerylRareDiamondRareSpinelRareTopazRareComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.