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
Mohs 2
minerals
The reference mineral for 2 is gypsum.
← All properties
624
minerals · Mohs 2 minerals
Mineraloid
Amber
C₁₀H₁₆O (fossil resin)
Organic Mineral
Amorphous
Mohs 2–2.5
Cinnabar
HgS
Sulfide
Hexagonal
Mohs 2–2.5
Gypsum
Ca(SO₄)·2H₂O
Sulfate
Monoclinic
Mohs 2
Muscovite
KAl₂(Si₃Al)O₁₀(OH)₂
Silicate
Monoclinic
Mohs 2–2.5
Variety
Selenite
CaSO₄·2H₂O
Sulfate
Monoclinic
Mohs 2
Sulphur
S
Native Element
Orthorhombic
Mohs 1.5–2.5
Abernathyite
K(UO₂)(AsO₄)·3H₂O
Arsenate
Tetragonal
Mohs 2–3
Abhurite
Sn²⁺₂₁O₆(OH)₁₄Cl₁₆
Halide
Hexagonal
Mohs 2
Acanthite
Ag₂S
Sulfide
Monoclinic
Mohs 2–2.5
Admontite
MgB₆O₁₀·7H₂O
Borate
Monoclinic
Mohs 2–3
A
Adolfpateraite
K(UO₂)(SO₄)(OH)(H₂O)
Sulfate
Monoclinic
Mohs 2
A
Agaite
Pb₃Cu²⁺Te⁶⁺O₅(OH)₂(CO₃)
Carbonate
Orthorhombic
Mohs 2–3
A
Agmantinite
Ag₂MnSnS₄
Sulfide
Orthorhombic
Mohs 2–2.5
Ahlfeldite
Ni(SeO₃)·2H₂O
Oxides & Hydroxide
Monoclinic
Mohs 2–2.5
Aikinite
CuPbBiS₃
Sulfosalt
Orthorhombic
Mohs 2–2.5
Ajoite
K₃Cu²⁺₂₀Al₃Si₂₉O₇₆(OH)₁₆·8H₂O
Silicate
Triclinic
Mohs 2
A
Albrechtschraufite
MgCa₄F₂[UO₂(CO₃)₃]₂·17-18H₂O
Carbonate
Triclinic
Mohs 2–3
Aldermanite
[Mg(H₂O)₆][Na(H₂O)₂Al₃(PO₄)₂(OH)₆]·H₂O
Phosphate
Orthorhombic
Mohs 2
A
Alfredstelznerite
Ca₄(H₂O)₄[B₄O₄(OH)₆]₄(H₂O)₁₅
Borate
Orthorhombic
Mohs 2
Aluminite
Al₂(SO₄)(OH)₄·7H₂O
Sulfate
Monoclinic
Mohs 1–2
Aluminium
Al
Native Element
Cubic
Mohs 2–3
Aluminocopiapite
(Al,Mg)Fe³⁺₄(SO₄)₆(OH,O)₂·20H₂O
Sulfate
Triclinic
Mohs 2–3
Alunogen
Al₂(SO₄)₃(H₂O)₁₂·5H₂O
Sulfate
Triclinic
Mohs 1.5–2
A
Alwilkinsite-(Y)
Y(UO₂)₃(SO₄)₂O(OH)₃(H₂O)₇·7H₂O
Sulfate
Orthorhombic
Mohs 2–2.5
Ambrinoite
[K,(NH₄)]₂(As,Sb)₆(Sb,As)₂S₁₃·H₂O
Oxides & Hydroxide
Triclinic
Mohs 2
Ammonioalunite
(NH₄)Al₃(SO₄)₂(OH)₆
Sulfate
Hexagonal
Mohs 2–3
A
Ammoniomagnesiovoltaite
(NH₄)₂Mg₅Fe³⁺₃Al(SO₄)₁₂·18H₂O
Sulfate
Cubic
Mohs 2–3
Andychristyite
PbCu²⁺Te⁶⁺O₅(H₂O)
Oxides & Hydroxide
Triclinic
Mohs 2–3
Angastonite
CaMgAl₂(PO₄)₂(OH)₄·7H₂O
Phosphate
Amorphous
Mohs 2
Annabergite
Ni₃(AsO₄)₂·8H₂O
Arsenate
Monoclinic
Mohs 1.5–2.5
Antarcticite
CaCl₂·6H₂O
Halide
Hexagonal
Mohs 2–3
Anthonyite
Cu(OH)₂·3H₂O
Oxides & Hydroxide
Mohs 2
Antipinite
KNa₃Cu₂(C₂O₄)₄
Organic Mineral
Triclinic
Mohs 2
A
Apachite
Cu²⁺₉Si₁₀O₂₉·11H₂O
Silicate
Monoclinic
Mohs 2
Apexite
NaMg(PO₄)·9H₂O
Phosphate
Triclinic
Mohs 2
A
Arangasite
Al₂(SO₄)(PO₄)F·9H₂O
Phosphate
Monoclinic
Mohs 1–2
A
Aravaipaite
Pb₃AlF₉·H₂O
Halide
Triclinic
Mohs 2
Arcanite
K₂(SO₄)
Sulfate
Orthorhombic
Mohs 2
Arsenolamprite
As
Native Element
Orthorhombic
Mohs 2
A
Arsenovanmeersscheite
U(UO₂)₃(AsO₄)₂(OH)₆·4H₂O
Arsenate
Orthorhombic
Mohs 2
Arsenuranospathite
Al(UO₂)₂(AsO₄)₂F·20H₂O
Arsenate
Tetragonal
Mohs 2
Arsenuranylite
Ca(UO₂)₄(AsO₄)₂(OH)₄·6H₂O
Arsenate
Orthorhombic
Mohs 2–3
Arsiccioite
AgHg₂TlAs₂S₆
Sulfosalt
Tetragonal
Mohs 2–2.5
A
Aspidolite
NaMg₃(Si₃Al)O₁₀(OH)₂
Silicate
Triclinic
Mohs 2–3
Astrocyanite-(Ce)
Cu₂Ce₂(UO₂)(CO₃)₅(OH)₂·1.5H₂O
Carbonate
Hexagonal
Mohs 2–3
A
Atlasovite
Cu²⁺₆Fe³⁺Bi³⁺O₄(SO₄)₅·KCl
Sulfate
Tetragonal
Mohs 2–2.5
Attikaite
Ca₃Cu₂Al₂(AsO₄)₄(OH)₄·2H₂O
Arsenate
Orthorhombic
Mohs 2–2.5
Aurichalcite
(Zn,Cu)₅(CO₃)₂(OH)₆
Carbonate
Monoclinic
Mohs 1–2
Autunite
Ca(UO₂)₂(PO₄)₂·10-12H₂O
Phosphate
Orthorhombic
Mohs 2–2.5
Avicennite
Tl₂O₃
Oxides & Hydroxide
Cubic
Mohs 1.5–2.5
B
Babkinite
Pb₂Bi₂(S,Se)₃
Sulfosalt
Hexagonal
Mohs 2
B
Backite
Pb₂AlTeO₆Cl
Halide
Hexagonal
Mohs 2–3
B
Bairdite
Pb₂Cu²⁺₄Te⁶⁺₂O₁₀(OH)₂(SO₄)·H₂O
Sulfate
Monoclinic
Mohs 2–3
Bakhchisaraitsevite
Na₂Mg₅(PO₄)₄·7H₂O
Phosphate
Monoclinic
Mohs 2–2.5
Baksanite
Bi₆Te₂S₃
Sulfide
Hexagonal
Mohs 1.5–2
B
Bamfordite
Fe³⁺Mo₂O₆(OH)₃·H₂O
Molybdate
Triclinic
Mohs 2–3
Barahonaite-(Al)
(Ca,Cu,Na,Fe³⁺,Al)₁₂Al₂(AsO₄)₈(OH,Cl)ₓ·nH₂O
Arsenate
Monoclinic
Mohs 2–3
Barahonaite-(Fe)
(Ca,Cu,Na,Fe³⁺,Al)₁₂Fe³⁺₂(AsO₄)₈(OH,Cl)ₓ·nH₂O
Arsenate
Monoclinic
Mohs 2–3
B
Barlowite
Cu₄BrF(OH)₆
Halide
Hexagonal
Mohs 2–2.5
B
Barrotite
Cu₉Al(HSiO₄)₂[(SO₄)(HAsO₄)₀.₅](OH)₁₂·8H₂O
Silicate
Hexagonal
Mohs 2
B
Barytolamprophyllite
(BaK)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂
Silicate
Monoclinic
Mohs 2–3
Bayleyite
Mg₂(UO₂)(CO₃)₃·18H₂O
Carbonate
Monoclinic
Mohs 2–2.5
B
Baylissite
K₂Mg(CO₃)₂·4H₂O
Carbonate
Monoclinic
Mohs 2–3
Bazhenovite
Ca₈S₅(S₂O₃)(OH)₁₂·20H₂O
Sulfate
Monoclinic
Mohs 2
Bechererite
Zn₇Cu(OH)₁₃[SiO(OH)₃(SO₄)]
Silicate
Hexagonal
Mohs 2–3
Beidellite
(Na,Ca)₀.₃Al₂(Si,Al)₄O₁₀(OH)₂·nH₂O
Silicate
Mohs 1–2
B
Belakovskiite
Na₇(UO₂)(SO₄)₄(SO₃OH)(H₂O)₃
Sulfate
Triclinic
Mohs 2
Belyankinite
Ca₁₋₂(Ti,Zr,Nb)₅O₁₂·9H₂O
Oxides & Hydroxide
Mohs 2–3
Bentorite
Ca₆Cr₂(SO₄)₃(OH)₁₂·26H₂O
Sulfate
Hexagonal
Mohs 2
B
Bernardite
TlAs₅S₈
Sulfosalt
Monoclinic
Mohs 2
Berthierite
FeSb₂S₄
Sulfosalt
Orthorhombic
Mohs 2–3
B
Beshtauite
(NH₄)₂(UO₂)(SO₄)₂·2H₂O
Sulfate
Monoclinic
Mohs 2
Beyerite
CaBi₂O₂(CO₃)₂
Carbonate
Orthorhombic
Mohs 2–3
Bieberite
Co(SO₄)·7H₂O
Sulfate
Monoclinic
Mohs 2
Bigcreekite
BaSi₂O₅·4H₂O
Silicate
Orthorhombic
Mohs 2–3
B
Bijvoetite-(Y)
Y₈(UO₂)₁₆O₈(CO₃)₁₆(OH)₈·39H₂O
Carbonate
Monoclinic
Mohs 2
Bischofite
MgCl₂·6H₂O
Halide
Monoclinic
Mohs 1–2
Bismuth
Bi
Native Element
Trigonal
Mohs 2–2.5
Bismuthinite
Bi₂S₃
Sulfide
Orthorhombic
Mohs 2–2.5
Blatonite
(UO₂)(CO₃)·H₂O
Carbonate
Mohs 2–3
B
Bleasdaleite
Ca₂Cu₅(Bi,Cu)(PO₄)₄(H₂O,OH,Cl)₁₃
Phosphate
Monoclinic
Mohs 2
Bluelizardite
Na₇(UO₂)(SO₄)₄Cl(H₂O)₂
Sulfate
Monoclinic
Mohs 2
B
Bluestreakite
K₄Mg₂(V⁴⁺₂V⁵⁺₈O₂₈)·14H₂O
Oxides & Hydroxide
Monoclinic
Mohs 2
Bobierrite
Mg₃(PO₄)₂·8H₂O
Phosphate
Monoclinic
Mohs 2–2.5
B
Bodieite
Bi³⁺₂(Te⁴⁺O₃)₂(SO₄)
Sulfate
Monoclinic
Mohs 2
B
Bojarite
Cu₃(N₃C₂H₂)₃(OH)Cl₂·6H₂O
Organic Mineral
Cubic
Mohs 2
Boothite
Cu(SO₄)·7H₂O
Sulfate
Monoclinic
Mohs 2–2.5
Borax
Na₂B₄O₅(OH)₄·8H₂O
Borate
Monoclinic
Mohs 2–2.5
Botryogen
MgFe³⁺(SO₄)₂(OH)·7H₂O
Sulfate
Monoclinic
Mohs 2–2.5
Boussingaultite
(NH₄)₂Mg(SO₄)₂·6H₂O
Sulfate
Monoclinic
Mohs 2
B
Bouškaite
(MoO₂)₂O(SO₃OH)₂(H₂O)₂·2H₂O
Molybdate
Triclinic
Mohs 2
Boyleite
Zn(SO₄)·4H₂O
Sulfate
Monoclinic
Mohs 2
B
Braithwaiteite
NaCu²⁺₅(Sb⁵⁺Ti⁴⁺)O₂(AsO₄)₄[AsO₃(OH)]₂·8H₂O
Arsenate
Triclinic
Mohs 2
Brandholzite
MgSb₂(OH)₁₂·6H₂O
Oxides & Hydroxide
Hexagonal
Mohs 2–3
B
Brugnatellite
Mg₆Fe³⁺(CO₃)(OH)₁₃·4H₂O
Carbonate
Hexagonal
Mohs 2
B
Bubnovaite
K₂Na₈Ca(SO₄)₆
Sulfate
Hexagonal
Mohs 2–3
Bukovite
Cu₄Tl₂Se₄
Sulfide
Tetragonal
Mohs 2
Bulachite
Al₆(AsO₄)₃(OH)₉(H₂O)₄·2H₂O
Arsenate
Orthorhombic
Mohs 2
Burckhardtite
Pb₂(Fe³⁺Te⁶⁺)(AlSi₃O₈)O₆
Silicate
Hexagonal
Mohs 2
B
Burroite
Ca₂(NH₄)₂(V₁₀O₂₈)·15H₂O
Oxides & Hydroxide
Triclinic
Mohs 1.5–2
B
Bílinite
Fe²⁺Fe³⁺₂(SO₄)₄·22H₂O
Sulfate
Monoclinic
Mohs 2
Calciocopiapite
CaFe³⁺₄(SO₄)₆(OH)₂·20H₂O
Sulfate
Triclinic
Mohs 2–3
Calcurmolite
(Ca₁₋ₓNaₓ)₂(UO₂)₃(MoO₄)₂(OH)₆₋ₓ·nH₂O
Molybdate
Monoclinic
Mohs 2–3
Calumetite
CaCu₄(OH)₈Cl₂·3.5H₂O
Halide
Orthorhombic
Mohs 2
C
Camgasite
CaMg(AsO₄)(OH)·5H₂O
Arsenate
Monoclinic
Mohs 2
Canaphite
Na₂CaP₂O₇·4H₂O
Phosphate
Monoclinic
Mohs 2
Cannizzarite
Pb₈Bi₁₀S₂₃
Sulfosalt
Monoclinic
Mohs 2
C
Carboborite
Ca₂Mg[B(OH)₄]₂(CO₃)₂·4H₂O
Carbonate
Monoclinic
Mohs 2
Carbonatecyanotrichite
Cu₄Al₂(CO₃)(OH)₁₂·2H₂O
Carbonate
Mohs 2
Caresite
Fe²⁺₄Al₂(OH)₁₂(CO₃)·3H₂O
Carbonate
Hexagonal
Mohs 2
C
Carlosruizite
K₃Na₂Na₃Mg₅(IO₃)₆(SeO₄)₆·6H₂O
Iodate
Hexagonal
Mohs 2–3
C
Carlsonite
(NH₄)₅Fe³⁺₃O(SO₄)₆·7H₂O
Sulfate
Triclinic
Mohs 2
Carnotite
K₂(UO₂)₂(VO₄)₂·3H₂O
Vanadate
Monoclinic
Mohs 2
C
Caseyite
[(V⁵⁺O₂)Al₇.₅(OH)₁₅(H₂O)₁₃]₂[H₂V⁴⁺V⁵⁺₉O₂₈][V⁵⁺₁₀O₂₈]₂·90H₂O
Oxides & Hydroxide
Monoclinic
Mohs 2–3
C
Cattiite
Mg₃(PO₄)₂·22H₂O
Phosphate
Triclinic
Mohs 2
Celadonite
KMgFe³⁺Si₄O₁₀(OH)₂
Silicate
Monoclinic
Mohs 2
Cesanite
Ca₂Na₃(SO₄)₃OH
Sulfate
Hexagonal
Mohs 2–3
C
Chadwickite
(UO₂)(HAsO₃)
Arsenate
Tetragonal
Mohs 2
Chalcomenite
Cu(Se⁴⁺O₃)·2H₂O
Oxides & Hydroxide
Orthorhombic
Mohs 2–2.5
Chalcophyllite
Cu₁₈Al₂(AsO₄)₄(SO₄)₃(OH)₂₄·36H₂O
Arsenate
Hexagonal
Mohs 2
Chalcothallite
(Cu,Fe,Ag)₆.₃(Tl,K)₂SbS₄
Sulfosalt
Tetragonal
Mohs 2–2.5
Challacolloite
KPb₂Cl₅
Halide
Monoclinic
Mohs 2–3
Chanabayaite
Cu₂Cl(N₃C₂H₂)₂(NH₃,Cl,H₂O, )₄
Organic Mineral
Orthorhombic
Mohs 2
Changoite
Na₂Zn(SO₄)₂·4H₂O
Sulfate
Monoclinic
Mohs 2–3
C
Chaoite
C
Native Element
Hexagonal
Mohs 1–2
Group
Chlorite
(Mg,Fe,Al)₆(Si,Al)₄O₁₀(OH)₈
Silicate
Monoclinic
Mohs 2–2.5
Christite
TlHgAsS₃
Sulfosalt
Monoclinic
Mohs 1–2
C
Chromceladonite
KMgCr(Si₄O₁₀)(OH)₂
Silicate
Monoclinic
Mohs 1–2
C
Chromschieffelinite
Pb₁₀Te⁶⁺₆O₂₀(OH)₁₄(CrO₄)(H₂O)₅
Chromate
Orthorhombic
Mohs 2
Chrysocolla
(Cu₂₋ₓAlₓ)H₂₋ₓSi₂O₅(OH)₄·nH₂O
Silicate
Amorphous
Mohs 2–4
C
Chubarovite
KZn₂(BO₃)Cl₂
Borate
Hexagonal
Mohs 2
C
Chukotkaite
AgPb₇Sb₅S₁₅
Sulfosalt
Mohs 2–2.5
C
Cianciulliite
Mg₂Mn²⁺Zn₂(OH)₁₀·2-4H₂O
Oxides & Hydroxide
Monoclinic
Mohs 2
Claraite
(Cu,Zn)₁₅(CO₃)₄(AsO₄)₂(SO₄)(OH)₁₄·7H₂O
Arsenate
Hexagonal
Mohs 2
Clinobehoite
Be(OH)₂
Oxides & Hydroxide
Monoclinic
Mohs 2–3
Clinochlore
Mg₅Al(AlSi₃O₁₀)(OH)₈
Silicate
Triclinic
Mohs 2–2.5
Cloncurryite
Cu₀.₅(VO)₀.₅Al₂(PO₄)₂F₂·5H₂O
Phosphate
Monoclinic
Mohs 2
C
Coalingite
Mg₁₀Fe³⁺₂(CO₃)(OH)₂₄·2H₂O
Carbonate
Hexagonal
Mohs 1–2
Cobaltkoritnigite
Co(AsO₃OH)·H₂O
Arsenate
Triclinic
Mohs 2
C
Cobaltzippeite
Co(UO₂)₂(SO₄)O₂·3.5H₂O
Sulfate
Monoclinic
Mohs 2
Coiraite
(Pb,Sn)₁₂.₅As₃Sn₅FeS₂₈
Sulfosalt
Monoclinic
Mohs 2
Comancheite
Hg²⁺₅₅N³⁻₂₄(NH₂,OH)₄(Cl,Br)₃₄
Halide
Orthorhombic
Mohs 2
C
Comblainite
Ni₄Co³⁺₂(CO₃)(OH)₁₂·3H₂O
Carbonate
Hexagonal
Mohs 2
C
Coutinhoite
ThₓBa₁₋₂ₓ(UO₂)₂Si₅O₁₃·3H₂O
Silicate
Orthorhombic
Mohs 2
Covellite
CuS
Sulfide
Hexagonal
Mohs 1.5–2
C
Cryobostryxite
KZnCl₃·2H₂O
Halide
Monoclinic
Mohs 2
Cualstibite
Cu₂Al(OH)₆[Sb(OH)₆]
Oxides & Hydroxide
Hexagonal
Mohs 2
Currierite
Na₄Ca₃MgAl₄(AsO₃OH)₁₂·9H₂O
Arsenate
Hexagonal
Mohs 2
Cymrite
Ba(Si,Al)₄(O,OH)₈·H₂O
Silicate
Monoclinic
Mohs 2–3
D
Dagenaisite
Zn₃Te⁶⁺O₆
Oxides & Hydroxide
Monoclinic
Mohs 2
Daliranite
PbHgAs₂S₅
Sulfosalt
Monoclinic
Mohs 2
Danielsite
(Cu,Ag)₁₄HgS₈
Sulfide
Orthorhombic
Mohs 2–2.5
Daubréeite
BiO(OH)
Oxides & Hydroxide
Tetragonal
Mohs 2–2.5
D
Davidbrownite-(NH4)
(NH₄)₅(V⁴⁺O)₂(C₂O₄)[PO₂.₇₅(OH)₁.₂₅]₄·3H₂O
Organic Mineral
Monoclinic
Mohs 2
Davreuxite
Mn²⁺Al₆Si₄O₁₇(OH)₂
Silicate
Monoclinic
Mohs 2–3
D
Debattistiite
Ag₉Hg₀.₅As₆S₁₂Te₂
Sulfosalt
Triclinic
Mohs 2–2.5
D
Deliensite
Fe²⁺(UO₂)₂(SO₄)₂(OH)₂·7H₂O
Sulfate
Orthorhombic
Mohs 2
D
Delrioite
Sr(VO₃)₂·4H₂O
Vanadate
Monoclinic
Mohs 2
Desautelsite
Mg₆Mn³⁺₂(CO₃)(OH)₁₆·4H₂O
Carbonate
Hexagonal
Mohs 2
Deveroite-(Ce)
Ce₂(C₂O₄)₃·10H₂O
Organic Mineral
Monoclinic
Mohs 2–2.5
Dickite
Al₂Si₂O₅(OH)₄
Silicate
Monoclinic
Mohs 2–2.5
Dietrichite
ZnAl₂(SO₄)₄·22H₂O
Sulfate
Monoclinic
Mohs 2
D
Dokuchaevite
Cu₈O₂(VO₄)₃Cl₃
Vanadate
Triclinic
Mohs 2
Donharrisite
Ni₃HgS₃
Sulfide
Monoclinic
Mohs 2
D
Dreyerite
Bi(VO₄)
Vanadate
Tetragonal
Mohs 2–3
Dritsite
Li₂Al₄(OH)₁₂Cl₂·3H₂O
Halide
Hexagonal
Mohs 2
Dundasite
PbAl₂(CO₃)₂(OH)₄·H₂O
Carbonate
Orthorhombic
Mohs 2
E
Eckhardite
(Ca,Pb)Cu²⁺Te⁶⁺O₅(H₂O)
Oxides & Hydroxide
Monoclinic
Mohs 2–3
E
Efremovite
(NH₄)₂Mg₂(SO₄)₃
Sulfate
Cubic
Mohs 2
Elyite
CuPb₄(SO₄)O₂(OH)₄·H₂O
Sulfate
Monoclinic
Mohs 2
Emplectite
CuBiS₂
Sulfosalt
Orthorhombic
Mohs 2
Epistolite
(Na )Nb₂Na₃Ti(Si₂O₇)₂O₂(OH)₂(H₂O)₄
Silicate
Triclinic
Mohs 1.5–3
Epsomite
Mg(SO₄)·7H₂O
Sulfate
Orthorhombic
Mohs 2–2.5
Erionite-Ca
Ca₅[Si₂₆Al₁₀O₇₂]·30H₂O
Silicate
Hexagonal
Mohs 2–3
Ernienickelite
NiMn⁴⁺₃O₇·3H₂O
Oxides & Hydroxide
Hexagonal
Mohs 2
E
Erniggliite
Tl₂SnAs₂S₆
Sulfosalt
Hexagonal
Mohs 2–3
E
Ernstburkeite
Mg(CH₃SO₃)₂·12H₂O
Organic Mineral
Hexagonal
Mohs 2
Ershovite
K₃Na₄(Fe,Mn,Ti)₂Si₈O₂₀(OH,O)₄·4H₂O
Silicate
Triclinic
Mohs 2–3
Erythrite
Co₃(AsO₄)₂·8H₂O
Arsenate
Monoclinic
Mohs 1.5–2.5
E
Espadaite
Na₄Ca₃Mg₂[AsO₃(OH)]₂[AsO₂(OH)₂]₁₀(H₂O)₆·H₂O
Arsenate
Orthorhombic
Mohs 2
Esquireite
BaSi₆O₁₃·7H₂O
Silicate
Monoclinic
Mohs 2
Ettringite
Ca₆Al₂(SO₄)₃(OH)₁₂·27H₂O
Sulfate
Hexagonal
Mohs 2–2.5
E
Ewingite
Mg₈Ca₈(UO₂)₂₄(CO₃)₃₀O₄(OH)₁₂(H₂O)₁₃₈
Carbonate
Tetragonal
Mohs 2
Fairbankite
Pb²⁺₁₂(Te⁴⁺O₃)₁₁(SO₄)
Sulfate
Triclinic
Mohs 2
Falcondoite
Ni₄Si₆O₁₅(OH)₂·6H₂O
Silicate
Orthorhombic
Mohs 2–3
F
Falgarite
K₄(VO)₃(SO₄)₅
Sulfate
Monoclinic
Mohs 2–3
F
Falsterite
Ca₂MgMn²⁺₂Fe²⁺₂Fe³⁺₂Zn₄(PO₄)₈(OH)₄(H₂O)₁₄
Phosphate
Monoclinic
Mohs 2
Fangite
Tl₃AsS₄
Sulfosalt
Orthorhombic
Mohs 2–2.5
Fassinaite
Pb₂(CO₃)(S₂O₃)
Sulfate
Orthorhombic
Mohs 1.5–2
Ferraioloite
MgMn²⁺₄(Fe²⁺₀.₅Al₀.₅)₄Zn₄(PO₄)₈(OH)₄(H₂O)₂₀
Phosphate
Monoclinic
Mohs 2
Ferribushmakinite
Pb₂Fe³⁺(PO₄)(VO₄)(OH)
Phosphate
Monoclinic
Mohs 2
Ferricopiapite
Fe³⁺₀.₆₇Fe³⁺₄(SO₄)₆(OH)₂·20H₂O
Sulfate
Triclinic
Mohs 2
Ferrimolybdite
Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O
Oxides & Hydroxide
Mohs 1–2
Ferripyrophyllite
Fe³⁺Si₂O₅(OH)
Silicate
Monoclinic
Mohs 1.5–2
F
Ferrisepiolite
(Fe³⁺,Fe²⁺,Mg)₄[(Si,Fe³⁺)₆O₁₅](O,OH)₂·6H₂O
Silicate
Orthorhombic
Mohs 2–2.5
Ferrisurite
Pb₂.₄Fe³⁺₂Si₄O₁₀(CO₃)₁.₇(OH)₃·nH₂O
Silicate
Monoclinic
Mohs 2–2.5
Ferrosaponite
Ca₀.₃(Fe²⁺,Mg,Fe³⁺)₃(Si,Al)₄O₁₀(OH)₂·4H₂O
Silicate
Monoclinic
Mohs 2
F
Fizélyite
Ag₅Pb₁₄Sb₂₁S₄₈
Sulfosalt
Monoclinic
Mohs 2
F
Flinteite
K₂ZnCl₄
Halide
Orthorhombic
Mohs 2
Freieslebenite
AgPbSbS₃
Sulfosalt
Monoclinic
Mohs 2–2.5
Fuenzalidaite
K₃Na₅Mg₅(IO₃)₆(SO₄)₆·6H₂O
Iodate
Hexagonal
Mohs 2–3
Fuettererite
Pb₃Cu²⁺₆Te⁶⁺O₆(OH)₇Cl₅
Halide
Hexagonal
Mohs 2–3
Gabrielite
Tl₂AgCu₂As₃S₇
Sulfosalt
Triclinic
Mohs 1.5–2
G
Gatewayite
Ca₆(As³⁺V⁴⁺₃V⁵⁺₉As⁵⁺₆O₅₁)·31H₂O
Oxides & Hydroxide
Monoclinic
Mohs 2
Gearksutite
CaAlF₄(OH)·H₂O
Halide
Triclinic
Mohs 2
Gerasimovskite
Mn²⁺(Ti,Nb)₅O₁₂·9H₂O
Oxides & Hydroxide
Mohs 2
Gerhardtite
Cu₂(NO₃)(OH)₃
Nitrate
Orthorhombic
Mohs 2
G
Geschieberite
K₂(UO₂)(SO₄)₂·2H₂O
Sulfate
Orthorhombic
Mohs 2
Getchellite
SbAsS₃
Sulfide
Monoclinic
Mohs 1.5–2
Giacovazzoite
K₅Fe³⁺₃O(SO₄)₆·10H₂O
Sulfate
Monoclinic
Mohs 2
Gilalite
Cu₅Si₆O₁₇·7H₂O
Silicate
Monoclinic
Mohs 2
Gillulyite
Tl₂As₇.₅Sb₀.₃S₁₃
Sulfosalt
Monoclinic
Mohs 2–2.5
Gladite
CuPbBi₅S₉
Sulfosalt
Orthorhombic
Mohs 2–3
G
Gladkovskyite
MnTlAs₃S₆
Sulfosalt
Mohs 2–2.5
Group
Glauconite
(K,Na)(Fe,Al,Mg)₂(Si,Al)₄O₁₀(OH)₂
Silicate
Monoclinic
Mohs 2
G
Glikinite
Zn₃O(SO₄)₂
Sulfate
Monoclinic
Mohs 2–3
G
Glushinskite
Mg(C₂O₄)·2H₂O
Organic Mineral
Monoclinic
Mohs 2
Godovikovite
(NH₄)Al(SO₄)₂
Sulfate
Hexagonal
Mohs 2
Goslarite
Zn(SO₄)·7H₂O
Sulfate
Orthorhombic
Mohs 2–2.5
Grandviewite
Cu₃Al₂(SO₄)(OH)₁₀·H₂O
Sulfate
Triclinic
Mohs 2
Graphite
C
Native Element
Orthorhombic
Mohs 1–2
G
Greenlizardite
(NH₄)Na(UO₂)₂(SO₄)₂(OH)₂·4H₂O
Sulfate
Triclinic
Mohs 2
Grimselite
K₃Na(UO₂)(CO₃)₃·H₂O
Carbonate
Hexagonal
Mohs 2–2.5
G
Grootfonteinite
Pb₃O(CO₃)₂
Carbonate
Hexagonal
Mohs 2
G
Grundmannite
CuBiSe₂
Sulfosalt
Orthorhombic
Mohs 2–2.5
G
Gungerite
TlAs₅Sb₄S₁₃
Sulfosalt
Orthorhombic
Mohs 2–2.5
G
Gwihabaite
(NH₄)(NO₃)
Nitrate
Orthorhombic
Mohs 2
H
Hagstromite
Pb₈Cu²⁺(Te⁶⁺O₆)₂(CO₃)Cl₄
Carbonate
Orthorhombic
Mohs 2–3
Haidingerite
Ca(AsO₃OH)·H₂O
Arsenate
Orthorhombic
Mohs 2–2.5
H
Haigerachite
KFe³⁺₃(H₂PO₄)₆(HPO₄)₂·4H₂O
Phosphate
Monoclinic
Mohs 2
Halloysite-7Å
Al₂Si₂O₅(OH)₄
Silicate
Monoclinic
Mohs 2–2.5
H
Hansblockite
(Cu,Hg)(Bi,Pb)Se₂
Sulfosalt
Monoclinic
Mohs 2–2.5
H
Hansesmarkite
Ca₂Mn₂Nb₆O₁₉·20H₂O
Oxides & Hydroxide
Triclinic
Mohs 2–2.5
Hauckite
Fe³⁺₃Mg₂₄Zn₁₈(SO₄)₄(CO₃)₂(OH)₈₁
Sulfate
Hexagonal
Mohs 2–3
Haydeeite
Cu₃Mg(OH)₆Cl₂
Halide
Hexagonal
Mohs 2
Haynesite
(UO₂)₃(Se⁴⁺O₃)₂(OH)₂·5H₂O
Oxides & Hydroxide
Orthorhombic
Mohs 1.5–2
H
Hazenite
KNaMg₂(PO₄)₂·14H₂O
Phosphate
Orthorhombic
Mohs 2–2.5
H
Hectorfloresite
Na₉(IO₃)(SO₄)₄
Iodate
Monoclinic
Mohs 2
Hectorite
Na₀.₃(Mg,Li)₃Si₄O₁₀(F,OH)₂·nH₂O
Silicate
Mohs 1–2
Hedleyite
Bi₇Te₃
Sulfide
Hexagonal
Mohs 2
Showing the first 240 of 624 —
search
to narrow down.