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Black
minerals
Minerals whose typical color is black.
← All properties
104
minerals · Black minerals
Almandine
Fe²⁺₃Al₂(SiO₄)₃
Silicate
Cubic
Mohs 7–7.5
Group
Biotite
K(Mg,Fe)₃(AlSi₃O₁₀)(OH)₂
Silicate
Monoclinic
Mohs 2.5–3
Diamond
C
Native Element
Cubic
Mohs 10
Group
Garnet
X₃Y₂(SiO₄)₃
Silicate
Cubic
Mohs 6.5–7.5
Hematite
Fe₂O₃
Oxides & Hydroxide
Hexagonal
Mohs 5–6
Jade
Jadeite or nephrite
Silicate
Monoclinic
Mohs 6–7
Jadeite
NaAlSi₂O₆
Silicate
Monoclinic
Mohs 6–7
Magnetite
Fe²⁺Fe³⁺₂O₄
Oxides & Hydroxide
Cubic
Mohs 5.5–6.5
Mineraloid
Obsidian
SiO₂-rich volcanic glass
Silicate
Amorphous
Mohs 5–5.5
Opal
SiO₂·nH₂O
Silicate
Hexagonal
Mohs 5.5–6.5
Featured
Quartz
SiO₂
Silicate
Hexagonal
Mohs 7
Variety
Smoky Quartz
SiO₂
Silicate
Trigonal
Mohs 7
Group
Tourmaline
(Na,Ca)(Mg,Fe,Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
Silicate
Trigonal
Mohs 7–7.5
Acanthite
Ag₂S
Sulfide
Monoclinic
Mohs 2–2.5
Aegirine
NaFe³⁺Si₂O₆
Silicate
Monoclinic
Mohs 6–6.5
Group
Allanite
(Ca,Ce)₂(Al,Fe)₃Si₃O₁₂(OH)
Silicate
Monoclinic
Mohs 5.5–6
Allanite-(Ce)
CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)
Silicate
Monoclinic
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
Andradite
Ca₃Fe³⁺₂(SiO₄)₃
Silicate
Cubic
Mohs 6.5–7
Annite
KFe²⁺₃(AlSi₃O₁₀)(OH)₂
Silicate
Monoclinic
Mohs 2.5–3
Augite
(Ca,Mg,Fe)₂Si₂O₆
Silicate
Monoclinic
Mohs 5.5–6
Beudantite
PbFe³⁺₃(AsO₄)(SO₄)(OH)₆
Arsenate
Hexagonal
Mohs 4
Bixbyite-(Fe)
Fe³⁺₂O₃
Oxides & Hydroxide
Cubic
Mohs 6–6.5
Bournonite
CuPbSbS₃
Sulfosalt
Orthorhombic
Mohs 2.5–3
Braunite
Mn²⁺Mn³⁺₆O₈(SiO₄)
Silicate
Tetragonal
Mohs 6–6.5
Brookite
TiO₂
Oxides & Hydroxide
Orthorhombic
Mohs 5.5–6
Cassiterite
SnO₂
Oxides & Hydroxide
Tetragonal
Mohs 6–7
Chalcocite
Cu₂S
Sulfide
Monoclinic
Mohs 2.5–3
Chamosite
(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈
Silicate
Triclinic
Mohs 2.5–3.5
Chloritoid
Fe²⁺Al₂O(SiO₄)(OH)₂
Silicate
Triclinic
Mohs 6.5
Chromite
Fe²⁺Cr₂O₄
Oxides & Hydroxide
Cubic
Mohs 5.5
Coffinite
U(SiO₄)·nH₂O
Silicate
Tetragonal
Mohs 5–6
Group
Columbite
(Fe,Mn)Nb₂O₆
Oxides & Hydroxide
Orthorhombic
Mohs 6–6.5
Mineraloid
Coral
Aragonite skeleton
Carbonate
Orthorhombic
Mohs 3–4
Cryolite
Na₂NaAlF₆
Halide
Monoclinic
Mohs 2.5–3
Descloizite
PbZn(VO₄)(OH)
Vanadate
Orthorhombic
Mohs 3.5
Diopside
CaMgSi₂O₆
Silicate
Monoclinic
Mohs 5.5–6.5
Dravite
NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Silicate
Hexagonal
Mohs 7.5
Elbaite
Na(Al₁.₅Li₁.₅)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Silicate
Hexagonal
Mohs 7.5
Enargite
Cu₃AsS₄
Sulfosalt
Orthorhombic
Mohs 3
Epidote
Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)
Silicate
Monoclinic
Mohs 6–7
Ferberite
Fe²⁺(WO₄)
Tungstate
Monoclinic
Mohs 4–4.5
Ferro-hornblende
Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂
Silicate
Monoclinic
Mohs 5–6
Ferrosilite
Fe²⁺₂Si₂O₆
Silicate
Orthorhombic
Mohs 6
Rock
Flint
SiO₂ (cryptocrystalline)
Silicate
Trigonal
Mohs 7
Fluor-buergerite
NaFe³⁺₃Al₆(Si₆O₁₈)(BO₃)₃O₃F
Silicate
Hexagonal
Mohs 7
Foitite
(Fe²⁺₂Al)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Silicate
Hexagonal
Mohs 7.5
Franklinite
ZnFe³⁺₂O₄
Oxides & Hydroxide
Cubic
Mohs 5.5–6.5
Group
Gadolinite
(Y,Ce)₂FeBe₂Si₂O₁₀
Silicate
Monoclinic
Mohs 6.5–7
Gadolinite-(Y)
Y₂Fe²⁺Be₂O₂(SiO₄)₂
Silicate
Monoclinic
Mohs 6.5–7
Glaucophane
Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂
Silicate
Monoclinic
Mohs 6–6.5
Goethite
FeO(OH)
Oxides & Hydroxide
Orthorhombic
Mohs 5–5.5
Graphite
C
Native Element
Orthorhombic
Mohs 1–2
Hastingsite
NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Silicate
Monoclinic
Mohs 5–6
Hausmannite
Mn²⁺Mn³⁺₂O₄
Oxides & Hydroxide
Tetragonal
Mohs 5.5
Hedenbergite
CaFe²⁺Si₂O₆
Silicate
Monoclinic
Mohs 5.5–6.5
Group
Hornblende
Ca₂(Mg,Fe,Al)₅(Al,Si)₈O₂₂(OH)₂
Silicate
Monoclinic
Mohs 5–6
Hübnerite
Mn²⁺(WO₄)
Tungstate
Monoclinic
Mohs 4–4.5
Ilmenite
Fe²⁺Ti⁴⁺O₃
Oxides & Hydroxide
Hexagonal
Mohs 5–6
Ilvaite
CaFe³⁺Fe²⁺₂O(Si₂O₇)(OH)
Silicate
Monoclinic
Mohs 5.5–6
Iron
Fe
Native Element
Cubic
Mohs 4
Mineraloid
Jet
C — fossilized wood
Organic Mineral
Amorphous
Mohs 2.5–4
Kaersutite
NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Silicate
Monoclinic
Mohs 5–6
Kentrolite
Pb₂Mn³⁺₂O₂(Si₂O₇)
Silicate
Orthorhombic
Mohs 6
Ludwigite
Mg₂Fe³⁺O₂(BO₃)
Borate
Orthorhombic
Mohs 5
Magnesio-hornblende
Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂
Silicate
Monoclinic
Mohs 5–6
Manganite
Mn³⁺O(OH)
Oxides & Hydroxide
Monoclinic
Mohs 4
Melanotekite
Pb₂Fe³⁺₂O₂(Si₂O₇)
Silicate
Orthorhombic
Mohs 6.5
Mottramite
PbCu(VO₄)(OH)
Vanadate
Orthorhombic
Mohs 3–3.5
Variety
Onyx
SiO₂
Silicate
Trigonal
Mohs 7
Osumilite
KFe₂(Al₅Si₁₀)O₃₀
Silicate
Hexagonal
Mohs 5.5–6
Painite
CaZrAl₉O₁₅(BO₃)
Borate
Hexagonal
Mohs 8
Pargasite
NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Silicate
Monoclinic
Mohs 5–6
Mineraloid
Pearl
Aragonite + conchiolin
Carbonate
Orthorhombic
Mohs 2.5–4.5
Perovskite
CaTiO₃
Oxides & Hydroxide
Orthorhombic
Mohs 5.5
Piemontite
Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)
Silicate
Monoclinic
Mohs 6
Pigeonite
(Mg,Fe,Ca)₂Si₂O₆
Silicate
Monoclinic
Mohs 6
Group
Pyrochlore Supergroup
(Na,Ca)₂Nb₂O₆(OH,F)
Oxides & Hydroxide
Cubic
Mohs 5–5.5
Pyrolusite
MnO₂
Oxides & Hydroxide
Tetragonal
Mohs 6–6.5
Group
Pyroxene
XY(Si,Al)₂O₆
Silicate
Monoclinic
Mohs 5–7
Riebeckite
Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂
Silicate
Monoclinic
Mohs 5–6
Romanèchite
(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀
Oxides & Hydroxide
Monoclinic
Mohs 5–6
Rutile
TiO₂
Oxides & Hydroxide
Tetragonal
Mohs 6–6.5
Schorl
NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Silicate
Hexagonal
Mohs 7–7.5
Schorlomite
Ca₃Ti₂(SiFe³⁺₂)O₁₂
Silicate
Cubic
Mohs 7–7.5
Serendibite
Ca₄[Mg₆Al₆]O₄[Si₆B₃Al₃O₃₆]
Silicate
Triclinic
Mohs 6.5–7
Silver
Ag
Native Element
Cubic
Mohs 2.5–3
Sphalerite
ZnS
Sulfide
Cubic
Mohs 3.5–4
Spinel
MgAl₂O₄
Oxides & Hydroxide
Cubic
Mohs 7.5–8
Staurolite
Fe²⁺₂Al₉Si₄O₂₃(OH)
Silicate
Monoclinic
Mohs 7–7.5
Stephanite
Ag₅SbS₄
Sulfosalt
Orthorhombic
Mohs 2–2.5
Group
Tantalite
(Fe,Mn)Ta₂O₆
Oxides & Hydroxide
Orthorhombic
Mohs 6–6.5
Group
Tennantite
(Cu,Fe)₁₂As₄S₁₃
Sulfosalt
Cubic
Mohs 3–4.5
Tennantite-(Fe)
Cu₆(Cu₄Fe₂)As₄S₁₃
Sulfosalt
Cubic
Mohs 3–4.5
Tenorite
CuO
Oxides & Hydroxide
Monoclinic
Mohs 3.5
Group
Tetrahedrite
(Cu,Fe)₁₂Sb₄S₁₃
Sulfosalt
Cubic
Mohs 3–4.5
Tetrahedrite-(Fe)
Cu₆(Cu₄Fe₂)Sb₄S₁₃
Sulfosalt
Mohs 3–4.5
Thorite
Th(SiO₄)
Silicate
Tetragonal
Mohs 4.5–5
Titanite
CaTi(SiO₄)O
Silicate
Monoclinic
Mohs 5–5.5
Uraninite
UO₂
Oxides & Hydroxide
Cubic
Mohs 5–6
Uvite
CaMg₃(Al₅Mg)(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Silicate
Hexagonal
Mohs 7.5
Vauquelinite
CuPb₂(CrO₄)(PO₄)(OH)
Phosphate
Monoclinic
Mohs 2.5–3
Group
Wolframite
(Fe,Mn)WO₄
Tungstate
Monoclinic
Mohs 4–4.5