Home›Rocks and Minerals›Minerals›Colour›Blue or PurpleBrowse ByBlue or PurpleBlue or PurpleComments (0)Reader Challenges (0)Blue or PurpleFilter Results23 entriesStrunz ClassAllCarbonates and Nitrates (1)Oxides and Hydroxides (1)Phosphates, Arsenates and Vanadates (1)Silicates (10)Crystal SystemAllCubic Crystal System (6)Hexagonal Crystal System (2)Monoclinic Crystal System (2)Orthorhombic Crystal System (3)Triclinic Crystal System (2)Trigonal Crystal System (4)HardnessAll3.75 to 5.5 Mohs (3)5.75 to 6.25 Mohs (2)6.5 to 6.75 Mohs (2)7 to 7.25 Mohs (2)7.5 to 8.5 Mohs (3)LustreAllAdamantine (1)Earthy (6)Pearly (3)Resinous (1)Vitreous (12)Waxy or Greasy (6)Where FoundAllAfghanistan (1)Australia (4)Brazil (3)Canada (2)Chile (1)China (1)Colombia (1)Egypt (1)Greece (1)Guatemala (1)Honduras (1)India (2)Indonesia (1)Iran (1)Madagascar (2)Mexico (2)Myanmar (2)Namibia (1)New Zealand (1)Nigeria (2)Pakistan (1)Peru (1)Poland (1)Russia (3)Sri Lanka (2)Tanzania (1)United States (3)Vietnam (1)Zambia (2)Zimbabwe (3)RarityAllAbundant (1)Rare (2)UseAllCeramic and Glass Manufacture (1)Gemstone (11)Sculpture and Ornamental (1)Formed By (Process)AllBiomineralization (4)Diagenesis (2)Fractional Crystallization (8)Hydrothermal Circulation (2)Hydrothermal Mineral Deposition (11)Magmatism (6)Metamorphism (10)Metasomatism (3)Sedimentation (3)Serpentinization (1)Subduction (1)Supergene Processes (1)Ultra-High-Pressure Metamorphism (1)Volcanism (3)Show ResultsBrowseCompareSelect all 23ApatiteBlue or PurpleAragoniteBlue or PurpleBerylBlue or PurpleCalciteBlue or PurpleChalcedonyBlue or PurpleCordieriteBlue or PurpleCorundumBlue or PurpleDiamondBlue or PurpleElbaiteBlue or PurpleFeldsparBlue or PurpleFluoriteBlue or PurpleGarnetBlue or PurpleHaliteBlue or PurpleJadeiteBlue or PurpleKyaniteBlue or PurpleLazuriteBlue or PurpleOpalBlue or PurpleOrthoclaseBlue or PurpleQuartzBlue or PurpleSpinelBlue or PurpleTalcBlue or PurpleTopazBlue or PurpleTurquoiseBlue or PurpleComments (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.