The open encyclopedia of minerals
Mineralogist.org
Minerals A–ZSearchCollectionsBrowse by PropertyIdentify a SpecimenCompare MineralsLocalities MapGlossaryContribute Search the Database →

Blue minerals

Minerals whose typical color is blue.

← All properties
84 minerals · Blue minerals
VarietyAgate specimen
Agate SiO₂
SilicateTrigonalMohs 6.5–7
GroupApatite specimen
Apatite Ca₅(PO₄)₃(F,Cl,OH)
PhosphateHexagonalMohs 5
VarietyAquamarine specimen
Aquamarine Be₃Al₂Si₆O₁₈
SilicateHexagonalMohs 7.5–8
Azurite specimen
Azurite Cu₃(CO₃)₂(OH)₂
CarbonateMonoclinicMohs 3.5–4
Baryte specimen
Baryte Ba(SO₄)
SulfateOrthorhombicMohs 3–3.5
Beryl specimen
Beryl Be₃Al₂Si₆O₁₈
SilicateHexagonalMohs 7.5–8
Calcite specimen
Calcite Ca(CO₃)
CarbonateHexagonalMohs 3
Diamond specimen
Diamond C
Native ElementCubicMohs 10
Fluorapatite specimen
Fluorapatite Ca₅(PO₄)₃F
PhosphateHexagonalMohs 5
Fluorite specimen
Fluorite CaF₂
HalideCubicMohs 4
Halite specimen
Halite NaCl
HalideCubicMohs 2.5
VarietyLabradorite specimen
Labradorite (Ca,Na)(Al,Si)₄O₈
SilicateTriclinicMohs 6–6.5
RockLapis Lazuli specimen
Lapis Lazuli Rock — mainly lazurite
SilicateCubicMohs 5–5.5
VarietyMoonstone specimen
Moonstone KAlSi₃O₈
SilicateMonoclinicMohs 6–6.5
Opal specimen
Opal SiO₂·nH₂O
SilicateHexagonalMohs 5.5–6.5
VarietySapphire specimen
Sapphire Al₂O₃
Oxides & HydroxideTrigonalMohs 9
Sodalite specimen
Sodalite Na₄(Si₃Al₃)O₁₂Cl
SilicateCubicMohs 5.5–6
VarietyTanzanite specimen
Tanzanite Ca₂Al₃(SiO₄)₃(OH)
SilicateOrthorhombicMohs 6–7
Topaz specimen
Topaz Al₂SiO₄F₂
SilicateOrthorhombicMohs 8
GroupTourmaline specimen
Tourmaline (Na,Ca)(Mg,Fe,Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
SilicateTrigonalMohs 7–7.5
Turquoise specimen
Turquoise CuAl₆(PO₄)₄(OH)₈·4H₂O
PhosphateTriclinicMohs 5–6
Zircon specimen
Zircon Zr(SiO₄)
SilicateTetragonalMohs 7.5
Adamite specimen
Adamite Zn₂(AsO₄)(OH)
ArsenateOrthorhombicMohs 3.5
VarietyAmazonite specimen
Amazonite KAlSi₃O₈
SilicateTriclinicMohs 6–6.5
Amblygonite specimen
Amblygonite LiAl(PO₄)F
PhosphateTriclinicMohs 5.5–6
GroupAmphibole specimen
Amphibole A₀₋₁B₂C₅T₈O₂₂(OH)₂
SilicateMonoclinicMohs 5–6.5
Anatase specimen
Anatase TiO₂
Oxides & HydroxideTetragonalMohs 5.5–6
Anglesite specimen
Anglesite Pb(SO₄)
SulfateOrthorhombicMohs 2.5–3
Anhydrite specimen
Anhydrite Ca(SO₄)
SulfateOrthorhombicMohs 3–3.5
Aragonite specimen
Aragonite Ca(CO₃)
CarbonateOrthorhombicMohs 3.5–4
VarietyAventurine specimen
Aventurine SiO₂
SilicateTrigonalMohs 7
GroupAxinite specimen
Axinite Ca₂(Mn,Fe,Mg)Al₂BSi₄O₁₅(OH)
SilicateTriclinicMohs 6.5–7
Axinite-(Fe) specimen
Axinite-(Fe) Ca₄Fe²⁺₂Al₄[B₂Si₈O₃₀](OH)₂
SilicateTriclinicMohs 6.5–7
Axinite-(Mg) specimen
Axinite-(Mg) Ca₄Mg₂Al₄[B₂Si₈O₃₀](OH)₂
SilicateTriclinicMohs 6.5–7
Bazzite specimen
Bazzite Be₃(Sc,Fe³⁺,Mg)₂Si₆O₁₈·Na₀.₃₂·nH₂O
SilicateHexagonalMohs 6.5–7
Benitoite specimen
Benitoite BaTiSi₃O₉
SilicateHexagonalMohs 6–6.5
Boleite specimen
Boleite KAg₉Pb₂₆Cu₂₄Cl₆₂(OH)₄₈
HalideCubicMohs 3–3.5
Boracite specimen
Boracite Mg₃B₇O₁₃Cl
HalideOrthorhombicMohs 7–7.5
Bornite specimen
Bornite Cu₅FeS₄
SulfideCubicMohs 3–3.25
Cancrinite specimen
Cancrinite (Na,Ca,   )₈(Al₆Si₆)O₂₄(CO₃,SO₄)₂·2H₂O
SilicateHexagonalMohs 5–6
Cavansite specimen
Cavansite Ca(V⁴⁺O)(Si₄O₁₀)·4H₂O
SilicateOrthorhombicMohs 3.5–4
Celestine specimen
Celestine Sr(SO₄)
SulfateOrthorhombicMohs 3–3.5
Cerussite specimen
Cerussite Pb(CO₃)
CarbonateOrthorhombicMohs 3–3.5
Chalcanthite specimen
Chalcanthite Cu(SO₄)·5H₂O
SulfateTriclinicMohs 2.5
VarietyChalcedony specimen
Chalcedony SiO₂
SilicateTrigonalMohs 6.5–7
Clinoclase specimen
Clinoclase Cu₃(AsO₄)(OH)₃
ArsenateMonoclinicMohs 2.5–3
Cordierite specimen
Cordierite Mg₂Al₄Si₅O₁₈
SilicateOrthorhombicMohs 7–7.5
Corundum specimen
Corundum Al₂O₃
Oxides & HydroxideHexagonalMohs 9
Covellite specimen
Covellite CuS
SulfideHexagonalMohs 1.5–2
Dumortierite specimen
Dumortierite AlAl₆BSi₃O₁₈
SilicateOrthorhombicMohs 7–8.4
Elbaite specimen
Elbaite Na(Al₁.₅Li₁.₅)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
SilicateHexagonalMohs 7.5
Euclase specimen
Euclase BeAlSiO₄(OH)
SilicateMonoclinicMohs 7.5
Fluor-liddicoatite specimen
Fluor-liddicoatite Ca(Li₂Al)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃F
SilicateHexagonalMohs 7.5
Foitite specimen
Foitite (Fe²⁺₂Al)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
SilicateHexagonalMohs 7.5
Gahnite specimen
Gahnite ZnAl₂O₄
Oxides & HydroxideCubicMohs 7.5–8
Glaucophane specimen
Glaucophane Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
SilicateMonoclinicMohs 6–6.5
Grandidierite specimen
Grandidierite MgAl₃O₂(BO₃)(SiO₄)
SilicateOrthorhombicMohs 7.5
Haüyne specimen
Haüyne Na₃Ca(Si₃Al₃)O₁₂(SO₄)
SilicateCubicMohs 5.5–6
Hemimorphite specimen
Hemimorphite Zn₄(Si₂O₇)(OH)₂·H₂O
SilicateOrthorhombicMohs 4.5–5
VarietyIolite specimen
Iolite (Mg,Fe)₂Al₄Si₅O₁₈
SilicateOrthorhombicMohs 7–7.5
Kaolinite specimen
Kaolinite Al₂Si₂O₅(OH)₄
SilicateTriclinicMohs 2–2.5
Kornerupine specimen
Kornerupine (Mg,Fe²⁺,Al,   )₁₀(Si,Al,B)₅O₂₁(OH,F)₂
SilicateOrthorhombicMohs 6.5–7
Kyanite specimen
Kyanite Al₂OSiO₄
SilicateTriclinicMohs 5.5–7
Lawsonite specimen
Lawsonite CaAl₂(Si₂O₇)(OH)₂·H₂O
SilicateOrthorhombicMohs 7–7.5
Lazulite specimen
Lazulite MgAl₂(PO₄)₂(OH)₂
PhosphateMonoclinicMohs 5.5–6
Lazurite specimen
Lazurite Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃)¹⁻·H₂O
SilicateCubicMohs 5–5.5
Linarite specimen
Linarite CuPb(SO₄)(OH)₂
SulfateMonoclinicMohs 2.5
Liroconite specimen
Liroconite Cu₂Al(AsO₄)(OH)₄·4H₂O
ArsenateMonoclinicMohs 2–2.5
Nosean specimen
Nosean Na₈(Si₆Al₆)O₂₄(SO₄)·H₂O
SilicateCubicMohs 5.5
Osumilite specimen
Osumilite KFe₂(Al₅Si₁₀)O₃₀
SilicateHexagonalMohs 5.5–6
Phosphophyllite specimen
Phosphophyllite Zn₂Fe²⁺(PO₄)₂·4H₂O
PhosphateMonoclinicMohs 3–3.5
Riebeckite specimen
Riebeckite Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
Sapphirine specimen
Sapphirine Mg₄(Mg₃Al₉)O₄[Si₃Al₉O₃₆]
SilicateMonoclinicMohs 7.5
Scorodite specimen
Scorodite Fe³⁺(AsO₄)·2H₂O
ArsenateOrthorhombicMohs 3.5–4
Serendibite specimen
Serendibite Ca₄[Mg₆Al₆]O₄[Si₆B₃Al₃O₃₆]
SilicateTriclinicMohs 6.5–7
Smithsonite specimen
Smithsonite Zn(CO₃)
CarbonateHexagonalMohs 4–4.5
Spinel specimen
Spinel MgAl₂O₄
Oxides & HydroxideCubicMohs 7.5–8
Sylvite specimen
Sylvite KCl
HalideCubicMohs 2
Vesuvianite specimen
Vesuvianite (Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀
SilicateTetragonalMohs 6.5
Vivianite specimen
Vivianite Fe²⁺₃(PO₄)₂·8H₂O
PhosphateMonoclinicMohs 1.5–2
Wavellite specimen
Wavellite Al₃(PO₄)₂(OH)₃·5H₂O
PhosphateOrthorhombicMohs 3.5–4
Willemite specimen
Willemite Zn₂SiO₄
SilicateHexagonalMohs 5.5
Zinc specimen
Zinc Zn
Native ElementHexagonalMohs 2.5
Zoisite specimen
Zoisite Ca₂Al₃[Si₂O₇][SiO₄]O(OH)
SilicateOrthorhombicMohs 6–7