Home›Rocks and Minerals›Minerals›Use›GemstoneBrowse ByGemstoneGemstoneComments (0)Reader Challenges (0)GemstoneFilter Results21 entriesStrunz ClassAllCarbonates and Nitrates (1)Oxides and Hydroxides (2)Phosphates, Arsenates and Vanadates (1)Silicates (13)Crystal SystemAllCubic Crystal System (6)Hexagonal Crystal System (1)Monoclinic Crystal System (3)Orthorhombic Crystal System (4)Triclinic Crystal System (1)Trigonal Crystal System (4)HardnessAll3.75 to 5.5 Mohs (3)5.75 to 6.25 Mohs (2)6.5 to 6.75 Mohs (3)7 to 7.25 Mohs (5)7.5 to 8.5 Mohs (4)LustreAllAdamantine (1)Earthy (7)Pearly (3)Resinous (1)Silky (1)Vitreous (15)Waxy or Greasy (6)ColourAllBlue or Purple (11)Brown (12)Colourless or White (8)Green (14)Grey or Black (13)Orange or Yellow (13)Red or Pink (12)Where FoundAllAfghanistan (1)Australia (5)Brazil (4)Canada (2)Chile (1)China (2)Colombia (1)Democratic Republic of the Congo (1)Egypt (1)France (1)Greece (1)Guatemala (1)Honduras (1)India (3)Indonesia (1)Iran (1)Madagascar (3)Mexico (2)Myanmar (3)Namibia (1)New Zealand (1)Nigeria (2)Pakistan (1)Peru (1)Poland (1)Russia (5)Sri Lanka (3)Tanzania (2)United States (4)Vietnam (1)Zambia (2)Zimbabwe (4)RarityAllAbundant (1)Rare (2)Uncommon (1)Formed By (Process)AllBiomineralization (1)Fractional Crystallization (9)Hydrothermal Mineral Deposition (8)Magmatism (5)Metamorphism (9)Metasomatism (3)Subduction (1)Supergene Processes (2)Ultra-High-Pressure Metamorphism (1)Volcanism (2)Weathering (1)Show ResultsBrowseCompareSelect all 21BerylGemstoneChalcedonyGemstoneChrysoberylGemstoneCordieriteGemstoneCorundumGemstoneDiamondGemstoneElbaiteGemstoneForsteriteGemstoneGarnetGemstoneGrossularGemstoneJadeiteGemstoneLazuriteGemstoneMalachiteGemstoneOpalGemstoneOrthoclaseGemstoneQuartzGemstoneSchorlGemstoneSpessartineGemstoneSpinelGemstoneTopazGemstoneTurquoiseGemstoneComments (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.