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Sulfate minerals

Contain the SO₄ group.

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493 minerals · Sulfate minerals
Baryte specimen
Baryte Ba(SO₄)
SulfateOrthorhombicMohs 3–3.5
Gypsum specimen
Gypsum Ca(SO₄)·2H₂O
SulfateMonoclinicMohs 2
VarietySelenite specimen
Selenite CaSO₄·2H₂O
SulfateMonoclinicMohs 2
A
Acmonidesite (NH₄,K,Pb,Na)₉Fe²⁺₄(SO₄)₅Cl₈
SulfateOrthorhombic
A
Adanite Pb₂(Te⁴⁺O₃)(SO₄)
SulfateMonoclinicMohs 2.5
A
Adolfpateraite K(UO₂)(SO₄)(OH)(H₂O)
SulfateMonoclinicMohs 2
Adranosite specimen
Adranosite (NH₄)₄NaAl₂(SO₄)₄Cl(OH)₂
SulfateTetragonal
A
Adranosite-(Fe) (NH₄)₄NaFe₂(SO₄)₄Cl(OH)₂
SulfateTetragonal
Aiolosite specimen
Aiolosite Na₂(Na₂Bi)(SO₄)₃Cl
SulfateHexagonal
A
Albertiniite Fe²⁺(SO₃)·3H₂O
SulfateMonoclinic
A
Alcaparrosaite K₃Ti⁴⁺Fe³⁺(SO₄)₄O(H₂O)₂
SulfateMonoclinicMohs 4
Aldridgeite specimen
Aldridgeite (Cd,Ca)(Cu,Zn)₄(SO₄)₂(OH)₆·3H₂O
SulfateMonoclinicMohs 3
Alpersite specimen
Alpersite Mg(SO₄)·7H₂O
SulfateMonoclinicMohs 2.5
Alum-(K) specimen
Alum-(K) KAl(SO₄)₂·12H₂O
SulfateCubicMohs 2.25
A
Alum-(Na) NaAl(SO₄)₂·12H₂O
SulfateCubic
Aluminite specimen
Aluminite Al₂(SO₄)(OH)₄·7H₂O
SulfateMonoclinicMohs 1–2
Aluminocopiapite specimen
Aluminocopiapite (Al,Mg)Fe³⁺₄(SO₄)₆(OH,O)₂·20H₂O
SulfateTriclinicMohs 2–3
A
Aluminocoquimbite Al₂Fe₂(SO₄)₆(H₂O)₁₂·9H₂O
SulfateHexagonal
A
Aluminopyracmonite (NH₄)₃Al(SO₄)₃
SulfateHexagonal
A
Alumoklyuchevskite K₃Cu²⁺₃AlO₂(SO₄)₄
SulfateMonoclinicMohs 2.3
Alunite specimen
Alunite KAl₃(SO₄)₂(OH)₆
SulfateHexagonalMohs 3.5–4
Alunogen specimen
Alunogen Al₂(SO₄)₃(H₂O)₁₂·5H₂O
SulfateTriclinicMohs 1.5–2
A
Alwilkinsite-(Y) Y(UO₂)₃(SO₄)₂O(OH)₃(H₂O)₇·7H₂O
SulfateOrthorhombicMohs 2–2.5
Amarantite specimen
Amarantite Fe³⁺₂O(SO₄)₂·7H₂O
SulfateTriclinicMohs 2.5
A
Amarillite NaFe³⁺(SO₄)₂·6H₂O
SulfateMonoclinicMohs 2.5–3
Ammonioalunite specimen
Ammonioalunite (NH₄)Al₃(SO₄)₂(OH)₆
SulfateHexagonalMohs 2–3
A
Ammoniojarosite (NH₄)Fe³⁺₃(SO₄)₂(OH)₆
SulfateHexagonal
A
Ammoniomagnesiovoltaite (NH₄)₂Mg₅Fe³⁺₃Al(SO₄)₁₂·18H₂O
SulfateCubicMohs 2–3
A
Ammoniovoltaite (NH₄)₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂(H₂O)₁₈
SulfateCubicMohs 3–3.5
Ammoniozippeite specimen
Ammoniozippeite (NH₄)₂[(UO₂)₂(SO₄)O₂]·H₂O
SulfateOrthorhombicMohs 2.5
Anglesite specimen
Anglesite Pb(SO₄)
SulfateOrthorhombicMohs 2.5–3
Anhydrite specimen
Anhydrite Ca(SO₄)
SulfateOrthorhombicMohs 3–3.5
A
Anhydrokainite KMg(SO₄)Cl
SulfateHexagonal
Antlerite specimen
Antlerite Cu²⁺₃(SO₄)(OH)₄
SulfateOrthorhombicMohs 3.5
Antofagastaite specimen
Antofagastaite Na₂Ca(SO₄)₂·1.5H₂O
SulfateMonoclinicMohs 3
Aphthitalite specimen
Aphthitalite K₃Na(SO₄)₂
SulfateHexagonalMohs 3
Apjohnite specimen
Apjohnite Mn²⁺Al₂(SO₄)₄·22H₂O
SulfateMonoclinicMohs 1.5
Aplowite specimen
Aplowite Co(SO₄)·4H₂O
SulfateMonoclinicMohs 3
Arcanite specimen
Arcanite K₂(SO₄)
SulfateOrthorhombicMohs 2
Argentojarosite specimen
Argentojarosite AgFe³⁺₃(SO₄)₂(OH)₆
SulfateHexagonal
A
Arzrunite Pb₂Cu₄(SO₄)(OH)₄Cl₆·2H₂O
Sulfate
A
Atlasovite Cu²⁺₆Fe³⁺Bi³⁺O₄(SO₄)₅·KCl
SulfateTetragonalMohs 2–2.5
Aubertite specimen
Aubertite Cu²⁺Al(SO₄)₂Cl·14H₂O
SulfateTriclinic
B
Bairdite Pb₂Cu²⁺₄Te⁶⁺₂O₁₀(OH)₂(SO₄)·H₂O
SulfateMonoclinicMohs 2–3
B
Balićžunićite Bi₂O(SO₄)₂
SulfateTriclinic
Bassanite specimen
Bassanite Ca(SO₄)·0.5H₂O
SulfateMonoclinic
Bazhenovite specimen
Bazhenovite Ca₈S₅(S₂O₃)(OH)₁₂·20H₂O
SulfateMonoclinicMohs 2
B
Beaverite-(Cu) Pb(Fe³⁺₂Cu)(SO₄)₂(OH)₆
SulfateHexagonal
B
Beaverite-(Zn) Pb(Fe³⁺₂Zn)(SO₄)₂(OH)₆
SulfateHexagonal
B
Belakovskiite Na₇(UO₂)(SO₄)₄(SO₃OH)(H₂O)₃
SulfateTriclinicMohs 2
B
Belogubite CuZn(SO₄)₂·10H₂O
SulfateTriclinicMohs 2.5
Belomarinaite specimen
Belomarinaite KNa(SO₄)
SulfateHexagonal
B
Belousovite KZn(SO₄)Cl
SulfateMonoclinic
Bentorite specimen
Bentorite Ca₆Cr₂(SO₄)₃(OH)₁₂·26H₂O
SulfateHexagonalMohs 2
B
Beshtauite (NH₄)₂(UO₂)(SO₄)₂·2H₂O
SulfateMonoclinicMohs 2
B
Bianchite Zn(SO₄)·6H₂O
SulfateMonoclinicMohs 2.5
Bieberite specimen
Bieberite Co(SO₄)·7H₂O
SulfateMonoclinicMohs 2
Bluelizardite specimen
Bluelizardite Na₇(UO₂)(SO₄)₄Cl(H₂O)₂
SulfateMonoclinicMohs 2
Blödite specimen
Blödite Na₂Mg(SO₄)₂·4H₂O
SulfateMonoclinicMohs 2.5–3
Bobcookite specimen
Bobcookite NaAl(UO₂)₂(SO₄)₄·18H₂O
SulfateTriclinicMohs 2.5
B
Bodieite Bi³⁺₂(Te⁴⁺O₃)₂(SO₄)
SulfateMonoclinicMohs 2
Bonattite specimen
Bonattite Cu(SO₄)·3H₂O
SulfateMonoclinic
B
Boojumite Pb₈O₄(OH)₂(S₂O₃)₃
SulfateOrthorhombic
Boothite specimen
Boothite Cu(SO₄)·7H₂O
SulfateMonoclinicMohs 2–2.5
Botryogen specimen
Botryogen MgFe³⁺(SO₄)₂(OH)·7H₂O
SulfateMonoclinicMohs 2–2.5
Boussingaultite specimen
Boussingaultite (NH₄)₂Mg(SO₄)₂·6H₂O
SulfateMonoclinicMohs 2
Boyleite specimen
Boyleite Zn(SO₄)·4H₂O
SulfateMonoclinicMohs 2
B
Bridgesite-(Ce) CaCe₂Cu₆(SO₄)₄(OH)₁₂·8H₂O
SulfateMonoclinic
Brochantite specimen
Brochantite Cu₄(SO₄)(OH)₆
SulfateMonoclinicMohs 3.5–4
B
Bubnovaite K₂Na₈Ca(SO₄)₆
SulfateHexagonalMohs 2–3
Burkeite specimen
Burkeite Na₄(SO₄)(CO₃)
SulfateOrthorhombicMohs 3.5
Butlerite specimen
Butlerite Fe³⁺(SO₄)(OH)·2H₂O
SulfateMonoclinicMohs 2.5
B
Bílinite Fe²⁺Fe³⁺₂(SO₄)₄·22H₂O
SulfateMonoclinicMohs 2
Běhounekite specimen
Běhounekite U(SO₄)₂(H₂O)₄
SulfateOrthorhombic
C
Calamaite Na₂TiO(SO₄)₂·2H₂O
SulfateOrthorhombicMohs 3
Calciocopiapite specimen
Calciocopiapite CaFe³⁺₄(SO₄)₆(OH)₂·20H₂O
SulfateTriclinicMohs 2–3
C
Calciolangbeinite K₂Ca₂(SO₄)₃
SulfateCubicMohs 3–3.5
Caledonite specimen
Caledonite Cu₂Pb₅(SO₄)₃(CO₃)(OH)₆
SulfateOrthorhombicMohs 2.5–3
C
Caminite Mg₇(SO₄)₅(OH)₄·H₂O
SulfateTetragonalMohs 2.5
Campigliaite specimen
Campigliaite Cu₄Mn²⁺(SO₄)₂(OH)₆·4H₂O
SulfateMonoclinic
C
Campostriniite (Bi₂.₅Na₀.₅)(NH₄)₂Na₂(SO₄)₆·H₂O
SulfateMonoclinic
Camérolaite specimen
Camérolaite Cu₆Al₃(OH)₁₈(H₂O)₂[Sb(OH)₆](SO₄)
SulfateTriclinic
Cannonite specimen
Cannonite Bi₂O(SO₄)(OH)₂
SulfateMonoclinicMohs 4
Caracolite specimen
Caracolite Na₂(Pb₂Na)(SO₄)₃Cl
SulfateMonoclinicMohs 4.5
C
Carlsonite (NH₄)₅Fe³⁺₃O(SO₄)₆·7H₂O
SulfateTriclinicMohs 2
C
Carraraite Ca₃Ge(SO₄)(CO₃)(OH)₆·12H₂O
SulfateHexagonalMohs 2.5
Carrboydite specimen
Carrboydite (Ni₁₋ₓAlₓ)(SO₄)ₓ/₂(OH)₂·nH₂O (x 3x/2)
SulfateHexagonal
Celestine specimen
Celestine Sr(SO₄)
SulfateOrthorhombicMohs 3–3.5
Cesanite specimen
Cesanite Ca₂Na₃(SO₄)₃OH
SulfateHexagonalMohs 2–3
C
Cesiodymite CsKCu₅O(SO₄)₅
SulfateTriclinicMohs 3
C
Chaidamuite ZnFe³⁺(SO₄)₂(OH)·4H₂O
SulfateTriclinicMohs 2.5–3
Chalcanthite specimen
Chalcanthite Cu(SO₄)·5H₂O
SulfateTriclinicMohs 2.5
Chalcoalumite specimen
Chalcoalumite CuAl₄(SO₄)(OH)₁₂·3H₂O
SulfateMonoclinicMohs 2.5
Chalcocyanite specimen
Chalcocyanite Cu(SO₄)
SulfateOrthorhombicMohs 3.5
Changoite specimen
Changoite Na₂Zn(SO₄)₂·4H₂O
SulfateMonoclinicMohs 2–3
Charlesite specimen
Charlesite Ca₆Al₂(SO₄)₂B(OH)₄(OH,O)₁₂·26H₂O
SulfateHexagonalMohs 2.5
Chenite specimen
Chenite CuPb₄(SO₄)₂(OH)₆
SulfateTriclinicMohs 2.5
C
Cherokeeite [Pb₂Zn(OH)₄](SO₄)·H₂O
Sulfate
C
Chinleite-(Y) NaY(SO₄)₂·H₂O
SulfateHexagonalMohs 2.5–3
Chlorothionite specimen
Chlorothionite K₂Cu(SO₄)Cl₂
SulfateOrthorhombicMohs 2.5
Christelite specimen
Christelite Zn₃Cu₂(SO₄)₂(OH)₆·4H₂O
SulfateTriclinic
C
Chukhrovite-(Ca) Ca₃Ca₁.₅Al₂(SO₄)F₁₃·12H₂O
SulfateCubicMohs 3.5
C
Chukhrovite-(Ce) Ca₃CeAl₂(SO₄)F₁₃·12H₂O
SulfateCubicMohs 3
C
Chukhrovite-(Nd) Ca₃NdAl₂(SO₄)F₁₃·12H₂O
SulfateCubic
Chukhrovite-(Y) specimen
Chukhrovite-(Y) Ca₃YAl₂(SO₄)F₁₃·12H₂O
SulfateCubicMohs 3
Chvaleticeite specimen
Chvaleticeite Mn(SO₄)·6H₂O
SulfateMonoclinicMohs 1.5
Clairite specimen
Clairite (NH₄)₂Fe³⁺₃(SO₄)₄(OH)₃·3H₂O
SulfateTriclinic
Clinoungemachite specimen
Clinoungemachite K₃Na₈Fe³⁺(SO₄)₆(OH)₂·10H₂O
Sulfate
C
Cobaltkieserite Co(SO₄)·H₂O
SulfateMonoclinic
C
Cobaltoblödite Na₂Co(SO₄)₂·4H₂O
SulfateMonoclinic
C
Cobaltzippeite Co(UO₂)₂(SO₄)O₂·3.5H₂O
SulfateMonoclinicMohs 2
Connellite specimen
Connellite Cu₃₆(SO₄)(OH)₆₂Cl₈·6H₂O
SulfateHexagonalMohs 3
Copiapite specimen
Copiapite Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O
SulfateTriclinicMohs 2.5–3
Coquandite specimen
Coquandite Sb³⁺₆₊ₓO₈₊ₓ(SO₄)(OH)ₓ(H₂O)₁₋ₓ (x = 0.3)
SulfateTriclinic
Coquimbite specimen
Coquimbite AlFe₃(SO₄)₆(H₂O)₁₂·6H₂O
SulfateHexagonalMohs 2.5
C
Cossaite (Mg₀.₅,   )Al₆(SO₄)₆(HSO₄)F₆·36H₂O
SulfateHexagonal
Cranswickite specimen
Cranswickite Mg(SO₄)·4H₂O
SulfateMonoclinic
Creedite specimen
Creedite Ca₃Al₂(SO₄)(OH)₂F₈·2H₂O
SulfateMonoclinicMohs 4
C
Cryptochalcite K₂Cu₅O(SO₄)₅
SulfateTriclinicMohs 3
C
Cubothioplumbite [Pb₄(OH)₄]Pb(S₂O₃)₃
SulfateCubic
Cuprocopiapite specimen
Cuprocopiapite Cu²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O
SulfateMohs 2.5
C
Cyanochroite K₂Cu(SO₄)₂·6H₂O
SulfateMonoclinic
Cyanotrichite specimen
Cyanotrichite Cu₄Al₂(SO₄)(OH)₁₂(H₂O)₂
Sulfate
D
D'ansite Na₂₁Mg(SO₄)₁₀Cl₃
SulfateCubicMohs 2.5–3
D
D'ansite-(Fe) Na₂₁Fe(SO₄)₁₀Cl₃
SulfateCubic
D
D'ansite-(Mn) Na₂₁Mn(SO₄)₁₀Cl₃
SulfateCubic
D
Deliensite Fe²⁺(UO₂)₂(SO₄)₂(OH)₂·7H₂O
SulfateOrthorhombicMohs 2
Despujolsite specimen
Despujolsite Ca₃Mn⁴⁺(SO₄)₂(OH)₆·3H₂O
SulfateHexagonalMohs 2.5
Devilline specimen
Devilline CaCu₄(SO₄)₂(OH)₆·3H₂O
SulfateMonoclinicMohs 2.5
Dietrichite specimen
Dietrichite ZnAl₂(SO₄)₄·22H₂O
SulfateMonoclinicMohs 2
D
Dobrovolskyite Na₄Ca(SO₄)₃
SulfateHexagonal
D
Dolerophanite Cu₂O(SO₄)
SulfateMonoclinicMohs 3
D
Dorallcharite TlFe³⁺₃(SO₄)₂(OH)₆
SulfateHexagonal
D
Dravertite CuMg(SO₄)₂
SulfateMonoclinicMohs 3.5
D
Drobecite Cd(SO₄)·4H₂O
SulfateMonoclinic
Dwornikite specimen
Dwornikite Ni(SO₄)·H₂O
SulfateMonoclinicMohs 2.5
E
Edwardsite Cu₃Cd₂(SO₄)₂(OH)₆·4H₂O
SulfateMonoclinicMohs 3–3.5
E
Efremovite (NH₄)₂Mg₂(SO₄)₃
SulfateCubicMohs 2
E
Elasmochloite Na₃Cu₆BiO₄(SO₄)₅
SulfateMonoclinic
E
Eldfellite NaFe³⁺(SO₄)₂
SulfateMonoclinic
E
Eleomelanite (K₂Pb)Cu₄O₂(SO₄)₄
SulfateMonoclinicMohs 3
Elyite specimen
Elyite CuPb₄(SO₄)O₂(OH)₄·H₂O
SulfateMonoclinicMohs 2
Epsomite specimen
Epsomite Mg(SO₄)·7H₂O
SulfateOrthorhombicMohs 2–2.5
E
Erssonite CaMg₇Fe³⁺₂(OH)₁₈(SO₄)₂·12H₂O
SulfateHexagonal
Ettringite specimen
Ettringite Ca₆Al₂(SO₄)₃(OH)₁₂·27H₂O
SulfateHexagonalMohs 2–2.5
Euchlorine specimen
Euchlorine KNaCu₃O(SO₄)₃
SulfateMonoclinic
Eugsterite specimen
Eugsterite Na₄Ca(SO₄)₃·2H₂O
Sulfate
E
Evanichite Pb₆Cr³⁺(Cr⁶⁺O₄)₂(SO₄)(OH)₇FCl
SulfateHexagonal
E
Evdokimovite Tl₄(VO)₃(SO₄)₅(H₂O)₅
SulfateMonoclinicMohs 2.5
Eztlite specimen
Eztlite Pb₂Fe³⁺₃(Te⁴⁺O₃)₃(SO₄)O₂Cl
SulfateMonoclinicMohs 3
Fairbankite specimen
Fairbankite Pb²⁺₁₂(Te⁴⁺O₃)₁₁(SO₄)
SulfateTriclinicMohs 2
F
Falgarite K₄(VO)₃(SO₄)₅
SulfateMonoclinicMohs 2–3
Fassinaite specimen
Fassinaite Pb₂(CO₃)(S₂O₃)
SulfateOrthorhombicMohs 1.5–2
F
Fedotovite K₂Cu₃O(SO₄)₃
SulfateMonoclinicMohs 2.5
Fehrite specimen
Fehrite MgCu₄(SO₄)₂(OH)₆·6H₂O
SulfateMonoclinicMohs 2.73
F
Felsőbányaite Al₄(SO₄)(OH)₁₀·4H₂O
SulfateMonoclinicMohs 1.5
F
Fermiite Na₄(UO₂)(SO₄)₃·3H₂O
SulfateOrthorhombicMohs 2.5
Ferricopiapite specimen
Ferricopiapite Fe³⁺₀.₆₇Fe³⁺₄(SO₄)₆(OH)₂·20H₂O
SulfateTriclinicMohs 2
Ferrinatrite specimen
Ferrinatrite Na₃Fe³⁺(SO₄)₃·3H₂O
SulfateHexagonalMohs 2.5
F
Ferroefremovite (NH₄)₂Fe²⁺₂(SO₄)₃
SulfateCubic
Ferrohexahydrite specimen
Ferrohexahydrite Fe²⁺(SO₄)·6H₂O
Sulfate
Ferrotychite specimen
Ferrotychite Na₆Fe²⁺₂(CO₃)₄(SO₄)
SulfateCubicMohs 4
F
Feynmanite Na(UO₂)(SO₄)(OH)·3.5H₂O
SulfateMonoclinic
Fibroferrite specimen
Fibroferrite Fe³⁺(SO₄)(OH)·5H₂O
SulfateHexagonalMohs 2.5
F
Finescreekite [Pb₄(OH)₄](S₂O₃)₂
SulfateOrthorhombic
F
Flaggite Pb₄Cu²⁺₄Te⁶⁺₂(SO₄)₂O₁₁(OH)₂(H₂O)
SulfateTriclinic
F
Fleischerite Pb₃Ge(SO₄)₂(OH)₆·3H₂O
SulfateHexagonal
F
Fleisstalite Fe²⁺(SO₃)·3H₂O
SulfateOrthorhombic
Galeite specimen
Galeite Na₁₅(SO₄)₅ClF₄
SulfateHexagonal
G
Genplesite Ca₃Sn(SO₄)₂(OH)₆·3H₂O
SulfateHexagonalMohs 3
G
Geschieberite K₂(UO₂)(SO₄)₂·2H₂O
SulfateOrthorhombicMohs 2
Giacovazzoite specimen
Giacovazzoite K₅Fe³⁺₃O(SO₄)₆·10H₂O
SulfateMonoclinicMohs 2
Gianellaite specimen
Gianellaite (Hg₂N)₂(SO₄)(H₂O)ₓ
SulfateCubicMohs 3
Glauberite specimen
Glauberite Na₂Ca(SO₄)₂
SulfateMonoclinicMohs 2.5–3
Glaucocerinite specimen
Glaucocerinite (Zn₁₋ₓAlₓ)(SO₄)ₓ/₂(OH)₂·nH₂O (x 3x/2)
SulfateHexagonalMohs 1
G
Glikinite Zn₃O(SO₄)₂
SulfateMonoclinicMohs 2–3
Gobelinite specimen
Gobelinite CoCu₄(SO₄)₂(OH)₆·6H₂O
SulfateMonoclinicMohs 2.5
Godovikovite specimen
Godovikovite (NH₄)Al(SO₄)₂
SulfateHexagonalMohs 2
Goldichite specimen
Goldichite KFe³⁺(SO₄)₂·4H₂O
SulfateMonoclinicMohs 2.5
Gordaite specimen
Gordaite NaZn₄(SO₄)(OH)₆Cl·6H₂O
SulfateHexagonalMohs 2.5
Goslarite specimen
Goslarite Zn(SO₄)·7H₂O
SulfateOrthorhombicMohs 2–2.5
G
Grandreefite Pb₂(SO₄)F₂
SulfateMonoclinicMohs 2.5
Grandviewite specimen
Grandviewite Cu₃Al₂(SO₄)(OH)₁₀·H₂O
SulfateTriclinicMohs 2
G
Greenlizardite (NH₄)Na(UO₂)₂(SO₄)₂(OH)₂·4H₂O
SulfateTriclinicMohs 2
Guarinoite specimen
Guarinoite Zn₆(SO₄)(OH)₁₀·5H₂O
SulfateHexagonal
Guildite specimen
Guildite CuFe³⁺(SO₄)₂(OH)·4H₂O
SulfateMonoclinicMohs 2.5
Gunningite specimen
Gunningite Zn(SO₄)·H₂O
SulfateMonoclinicMohs 2.5
G
Gurzhiite Al(UO₂)(SO₄)₂F·10H₂O
SulfateTriclinic
G
Görgeyite K₂Ca₅(SO₄)₆·H₂O
SulfateMonoclinicMohs 3.5–4
Halotrichite specimen
Halotrichite Fe²⁺Al₂(SO₄)₄·22H₂O
SulfateMonoclinicMohs 1.5
H
Hanahanite [Zn₈(OH)₁₄(SO₄)]·3H₂O
SulfateHexagonal
Hanksite specimen
Hanksite KNa₂₂(SO₄)₉(CO₃)₂Cl
SulfateHexagonalMohs 3–3.5
Hannebachite specimen
Hannebachite Ca(SO₃)·0.5H₂O
SulfateOrthorhombicMohs 3.5
Hauckite specimen
Hauckite Fe³⁺₃Mg₂₄Zn₁₈(SO₄)₄(CO₃)₂(OH)₈₁
SulfateHexagonalMohs 2–3
H
Hayelasdiite [Pb₄O₁.₅(OH)₂.₅]₂[Cu¹⁺₅(S₂O₃)₄(S₂O₂OH)₂(H₂O)]·4H₂O
SulfateTriclinic
H
Haywoodite [Pb(H₂O)₁₀][Zn₁₂(OH)₂₀(H₂O)(SO₄)₃]
SulfateTriclinic
H
Hermannjahnite CuZn(SO₄)₂
SulfateMonoclinic
Hexahydrite specimen
Hexahydrite Mg(SO₄)·6H₂O
SulfateMonoclinicMohs 2–2.5
H
Hexathioplumbite [Pb₄(OH)₄]Pb(S₂O₃)₃
SulfateHexagonal
H
Hodgesmithite (Cu,Zn)₆Zn(SO₄)₂(OH)₁₀·3H₂O
SulfateHexagonal
Hohmannite specimen
Hohmannite Fe³⁺₂O(SO₄)₂·8H₂O
SulfateTriclinicMohs 3
Honessite specimen
Honessite (Ni₁₋ₓFe³⁺ₓ)(SO₄)ₓ/₂(OH)₂·nH₂O (x < 0.5, n < 3x/2)
SulfateHexagonal
H
Huangite Ca₀.₅Al₃(SO₄)₂(OH)₆
SulfateHexagonal
H
Huizingite-(Al) (NH₄)₉Al₃(SO₄)₈(OH)₂·4H₂O
SulfateTriclinicMohs 2.5
H
Hydrobasaluminite Al₄(SO₄)(OH)₁₀·15H₂O
SulfateMonoclinic
H
Hydroglauberite Na₁₀Ca₃(SO₄)₈·6H₂O
Sulfate
Hydrohonessite specimen
Hydrohonessite (Ni₁₋ₓFe³⁺ₓ)(SO₄)ₓ/₂(OH)₂·nH₂O (x 3x/2)
SulfateHexagonal
H
Hydroniumjarosite (H₃O)Fe³⁺₃(SO₄)₂(OH)₆
SulfateHexagonalMohs 4–4.5
H
Hydroredmondite [Pb₈O₂Zn(OH)₆](S₂O₃)₄·2H₂O
SulfateMonoclinic
Hydrowoodwardite specimen
Hydrowoodwardite (Cu₁₋ₓAlₓ)(SO₄)ₓ/₂(OH)₂·nH₂O (x 3x/2)
SulfateHexagonal
Ilesite specimen
Ilesite Mn²⁺(SO₄)·4H₂O
SulfateMonoclinicMohs 2–3
I
Iskandarovite Sb₆O₇(SO₄)₂
SulfateOrthorhombic
Isselite specimen
Isselite Cu₆(SO₄)(OH)₁₀(H₂O)₄·H₂O
SulfateOrthorhombic
I
Itelmenite Na₂CuMg₂(SO₄)₄
SulfateOrthorhombicMohs 2–3
I
Itoite Pb₃GeO₂(SO₄)₂(OH)₂
SulfateOrthorhombic
I
Ivsite Na₃H(SO₄)₂
SulfateMonoclinic
Jamborite specimen
Jamborite Ni²⁺₁₋ₓCo³⁺ₓ(OH)₂₋ₓ(SO₄)ₓ·nH₂O [x ≤ 1/3 n; ≤ (1-x)]
SulfateHexagonal
Jarosite specimen
Jarosite KFe³⁺₃(SO₄)₂(OH)₆
SulfateHexagonalMohs 2.5–3.5
J
Ježekite Na₈[(UO₂)(CO₃)₃](SO₄)₂·3H₂O
SulfateHexagonal
Johannite specimen
Johannite Cu(UO₂)₂(SO₄)₂(OH)₂·8H₂O
SulfateTriclinicMohs 2–2.5
Jouravskite specimen
Jouravskite Ca₃Mn⁴⁺(SO₄)(CO₃)(OH)₆·12H₂O
SulfateHexagonalMohs 2.5
Jurbanite specimen
Jurbanite Al(SO₄)(OH)·5H₂O
SulfateMonoclinicMohs 2.5
J
Jáchymovite (UO₂)₈(SO₄)(OH)₁₄·13H₂O
SulfateMonoclinic
Jôkokuite specimen
Jôkokuite Mn²⁺(SO₄)·5H₂O
SulfateTriclinicMohs 2.5
Kainite specimen
Kainite KMg(SO₄)Cl·2.75H₂O
SulfateMonoclinicMohs 2.5–3
Kalinite specimen
Kalinite KAl(SO₄)₂·11H₂O
SulfateMohs 2–2.5
K
Kaliochalcite KCu₂(SO₄)₂[(OH)(H₂O)]
SulfateMonoclinicMohs 4
K
Kalistrontite K₂Sr(SO₄)₂
SulfateHexagonalMohs 2–2.5
K
Kamchatkite KCu₃O(SO₄)₂Cl
SulfateOrthorhombicMohs 3.5
K
Karpovite Tl₂VO(SO₄)₂(H₂O)
SulfateMonoclinicMohs 2
Katerinopoulosite specimen
Katerinopoulosite (NH₄)₂Zn(SO₄)₂·6H₂O
SulfateMonoclinicMohs 2.5
K
Kennygayite [Pb₄O₂(OH)₂](SO₄)
SulfateTriclinic
Khademite specimen
Khademite Al(SO₄)F·5H₂O
SulfateOrthorhombic
Kieserite specimen
Kieserite Mg(SO₄)·H₂O
SulfateMonoclinicMohs 3.5
K
Klaprothite Na₆(UO₂)(SO₄)₄(H₂O)₄
SulfateMonoclinicMohs 2.5
Klebelsbergite specimen
Klebelsbergite Sb³⁺₄O₄(SO₄)(OH)₂
SulfateOrthorhombic
Kleinite specimen
Kleinite (Hg₂N)(Cl,SO₄)·nH₂O
SulfateMonoclinicMohs 3.5–4
Klyuchevskite specimen
Klyuchevskite K₃Cu₃Fe³⁺O₂(SO₄)₄
SulfateMonoclinic
Kobyashevite specimen
Kobyashevite Cu₅(SO₄)₂(OH)₆·4H₂O
SulfateTriclinicMohs 2.5
Kogarkoite specimen
Kogarkoite Na₃(SO₄)F
SulfateHexagonalMohs 3.5

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