The open encyclopedia of minerals
Glossary
Cite the database
Mineralogist
The Open Mineral Encyclopedia
Minerals A–Z
Collections
Identify
By Property
Map
Contribute
Search
→
Mineralogist
.org
×
Minerals A–Z
Search
Collections
Browse by Property
Identify a Specimen
Compare Minerals
Localities Map
Glossary
Contribute
Search the Database →
Home
/
Browse by Property
Blue
minerals
Minerals whose typical color is blue.
← All properties
84
minerals · Blue minerals
Variety
Agate
SiO₂
Silicate
Trigonal
Mohs 6.5–7
Group
Apatite
Ca₅(PO₄)₃(F,Cl,OH)
Phosphate
Hexagonal
Mohs 5
Variety
Aquamarine
Be₃Al₂Si₆O₁₈
Silicate
Hexagonal
Mohs 7.5–8
Azurite
Cu₃(CO₃)₂(OH)₂
Carbonate
Monoclinic
Mohs 3.5–4
Baryte
Ba(SO₄)
Sulfate
Orthorhombic
Mohs 3–3.5
Beryl
Be₃Al₂Si₆O₁₈
Silicate
Hexagonal
Mohs 7.5–8
Calcite
Ca(CO₃)
Carbonate
Hexagonal
Mohs 3
Diamond
C
Native Element
Cubic
Mohs 10
Fluorapatite
Ca₅(PO₄)₃F
Phosphate
Hexagonal
Mohs 5
Fluorite
CaF₂
Halide
Cubic
Mohs 4
Halite
NaCl
Halide
Cubic
Mohs 2.5
Variety
Labradorite
(Ca,Na)(Al,Si)₄O₈
Silicate
Triclinic
Mohs 6–6.5
Rock
Lapis Lazuli
Rock — mainly lazurite
Silicate
Cubic
Mohs 5–5.5
Variety
Moonstone
KAlSi₃O₈
Silicate
Monoclinic
Mohs 6–6.5
Opal
SiO₂·nH₂O
Silicate
Hexagonal
Mohs 5.5–6.5
Variety
Sapphire
Al₂O₃
Oxides & Hydroxide
Trigonal
Mohs 9
Sodalite
Na₄(Si₃Al₃)O₁₂Cl
Silicate
Cubic
Mohs 5.5–6
Variety
Tanzanite
Ca₂Al₃(SiO₄)₃(OH)
Silicate
Orthorhombic
Mohs 6–7
Topaz
Al₂SiO₄F₂
Silicate
Orthorhombic
Mohs 8
Group
Tourmaline
(Na,Ca)(Mg,Fe,Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
Silicate
Trigonal
Mohs 7–7.5
Turquoise
CuAl₆(PO₄)₄(OH)₈·4H₂O
Phosphate
Triclinic
Mohs 5–6
Zircon
Zr(SiO₄)
Silicate
Tetragonal
Mohs 7.5
Adamite
Zn₂(AsO₄)(OH)
Arsenate
Orthorhombic
Mohs 3.5
Variety
Amazonite
KAlSi₃O₈
Silicate
Triclinic
Mohs 6–6.5
Amblygonite
LiAl(PO₄)F
Phosphate
Triclinic
Mohs 5.5–6
Group
Amphibole
A₀₋₁B₂C₅T₈O₂₂(OH)₂
Silicate
Monoclinic
Mohs 5–6.5
Anatase
TiO₂
Oxides & Hydroxide
Tetragonal
Mohs 5.5–6
Anglesite
Pb(SO₄)
Sulfate
Orthorhombic
Mohs 2.5–3
Anhydrite
Ca(SO₄)
Sulfate
Orthorhombic
Mohs 3–3.5
Aragonite
Ca(CO₃)
Carbonate
Orthorhombic
Mohs 3.5–4
Variety
Aventurine
SiO₂
Silicate
Trigonal
Mohs 7
Group
Axinite
Ca₂(Mn,Fe,Mg)Al₂BSi₄O₁₅(OH)
Silicate
Triclinic
Mohs 6.5–7
Axinite-(Fe)
Ca₄Fe²⁺₂Al₄[B₂Si₈O₃₀](OH)₂
Silicate
Triclinic
Mohs 6.5–7
Axinite-(Mg)
Ca₄Mg₂Al₄[B₂Si₈O₃₀](OH)₂
Silicate
Triclinic
Mohs 6.5–7
Bazzite
Be₃(Sc,Fe³⁺,Mg)₂Si₆O₁₈·Na₀.₃₂·nH₂O
Silicate
Hexagonal
Mohs 6.5–7
Benitoite
BaTiSi₃O₉
Silicate
Hexagonal
Mohs 6–6.5
Boleite
KAg₉Pb₂₆Cu₂₄Cl₆₂(OH)₄₈
Halide
Cubic
Mohs 3–3.5
Boracite
Mg₃B₇O₁₃Cl
Halide
Orthorhombic
Mohs 7–7.5
Bornite
Cu₅FeS₄
Sulfide
Cubic
Mohs 3–3.25
Cancrinite
(Na,Ca, )₈(Al₆Si₆)O₂₄(CO₃,SO₄)₂·2H₂O
Silicate
Hexagonal
Mohs 5–6
Cavansite
Ca(V⁴⁺O)(Si₄O₁₀)·4H₂O
Silicate
Orthorhombic
Mohs 3.5–4
Celestine
Sr(SO₄)
Sulfate
Orthorhombic
Mohs 3–3.5
Cerussite
Pb(CO₃)
Carbonate
Orthorhombic
Mohs 3–3.5
Chalcanthite
Cu(SO₄)·5H₂O
Sulfate
Triclinic
Mohs 2.5
Variety
Chalcedony
SiO₂
Silicate
Trigonal
Mohs 6.5–7
Clinoclase
Cu₃(AsO₄)(OH)₃
Arsenate
Monoclinic
Mohs 2.5–3
Cordierite
Mg₂Al₄Si₅O₁₈
Silicate
Orthorhombic
Mohs 7–7.5
Corundum
Al₂O₃
Oxides & Hydroxide
Hexagonal
Mohs 9
Covellite
CuS
Sulfide
Hexagonal
Mohs 1.5–2
Dumortierite
AlAl₆BSi₃O₁₈
Silicate
Orthorhombic
Mohs 7–8.4
Elbaite
Na(Al₁.₅Li₁.₅)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Silicate
Hexagonal
Mohs 7.5
Euclase
BeAlSiO₄(OH)
Silicate
Monoclinic
Mohs 7.5
Fluor-liddicoatite
Ca(Li₂Al)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃F
Silicate
Hexagonal
Mohs 7.5
Foitite
(Fe²⁺₂Al)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Silicate
Hexagonal
Mohs 7.5
Gahnite
ZnAl₂O₄
Oxides & Hydroxide
Cubic
Mohs 7.5–8
Glaucophane
Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Silicate
Monoclinic
Mohs 6–6.5
Grandidierite
MgAl₃O₂(BO₃)(SiO₄)
Silicate
Orthorhombic
Mohs 7.5
Haüyne
Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Silicate
Cubic
Mohs 5.5–6
Hemimorphite
Zn₄(Si₂O₇)(OH)₂·H₂O
Silicate
Orthorhombic
Mohs 4.5–5
Variety
Iolite
(Mg,Fe)₂Al₄Si₅O₁₈
Silicate
Orthorhombic
Mohs 7–7.5
Kaolinite
Al₂Si₂O₅(OH)₄
Silicate
Triclinic
Mohs 2–2.5
Kornerupine
(Mg,Fe²⁺,Al, )₁₀(Si,Al,B)₅O₂₁(OH,F)₂
Silicate
Orthorhombic
Mohs 6.5–7
Kyanite
Al₂OSiO₄
Silicate
Triclinic
Mohs 5.5–7
Lawsonite
CaAl₂(Si₂O₇)(OH)₂·H₂O
Silicate
Orthorhombic
Mohs 7–7.5
Lazulite
MgAl₂(PO₄)₂(OH)₂
Phosphate
Monoclinic
Mohs 5.5–6
Lazurite
Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃)¹⁻·H₂O
Silicate
Cubic
Mohs 5–5.5
Linarite
CuPb(SO₄)(OH)₂
Sulfate
Monoclinic
Mohs 2.5
Liroconite
Cu₂Al(AsO₄)(OH)₄·4H₂O
Arsenate
Monoclinic
Mohs 2–2.5
Nosean
Na₈(Si₆Al₆)O₂₄(SO₄)·H₂O
Silicate
Cubic
Mohs 5.5
Osumilite
KFe₂(Al₅Si₁₀)O₃₀
Silicate
Hexagonal
Mohs 5.5–6
Phosphophyllite
Zn₂Fe²⁺(PO₄)₂·4H₂O
Phosphate
Monoclinic
Mohs 3–3.5
Riebeckite
Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂
Silicate
Monoclinic
Mohs 5–6
Sapphirine
Mg₄(Mg₃Al₉)O₄[Si₃Al₉O₃₆]
Silicate
Monoclinic
Mohs 7.5
Scorodite
Fe³⁺(AsO₄)·2H₂O
Arsenate
Orthorhombic
Mohs 3.5–4
Serendibite
Ca₄[Mg₆Al₆]O₄[Si₆B₃Al₃O₃₆]
Silicate
Triclinic
Mohs 6.5–7
Smithsonite
Zn(CO₃)
Carbonate
Hexagonal
Mohs 4–4.5
Spinel
MgAl₂O₄
Oxides & Hydroxide
Cubic
Mohs 7.5–8
Sylvite
KCl
Halide
Cubic
Mohs 2
Vesuvianite
(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀
Silicate
Tetragonal
Mohs 6.5
Vivianite
Fe²⁺₃(PO₄)₂·8H₂O
Phosphate
Monoclinic
Mohs 1.5–2
Wavellite
Al₃(PO₄)₂(OH)₃·5H₂O
Phosphate
Orthorhombic
Mohs 3.5–4
Willemite
Zn₂SiO₄
Silicate
Hexagonal
Mohs 5.5
Zinc
Zn
Native Element
Hexagonal
Mohs 2.5
Zoisite
Ca₂Al₃[Si₂O₇][SiO₄]O(OH)
Silicate
Orthorhombic
Mohs 6–7