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Triclinic
minerals
No axes at 90°; lowest symmetry.
← All properties
629
minerals · Triclinic minerals
Group
Feldspar
(K,Na,Ca)(Al,Si)₄O₈
Silicate
Triclinic
Mohs 6–6.5
Variety
Labradorite
(Ca,Na)(Al,Si)₄O₈
Silicate
Triclinic
Mohs 6–6.5
Rhodonite
CaMn₃Mn(Si₅O₁₅)
Silicate
Triclinic
Mohs 5.5–6.5
Turquoise
CuAl₆(PO₄)₄(OH)₈·4H₂O
Phosphate
Triclinic
Mohs 5–6
Abelsonite
NiC₃₁H₃₂N₄
Organic Mineral
Triclinic
Mohs 3
Abramovite
Pb₂SnInBiS₇
Sulfosalt
Triclinic
Adamsite-(Y)
NaY(CO₃)₂·6H₂O
Carbonate
Triclinic
Mohs 3
A
Addibischoffite
Ca₂Al₆Al₆O₂₀
Oxides & Hydroxide
Triclinic
Aenigmatite
Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]
Silicate
Triclinic
Mohs 5.5
Afmite
Al₃(OH)₄(H₂O)₃(PO₄)(PO₃OH)·H₂O
Phosphate
Triclinic
Mohs 1.5
Agrellite
NaCa₂Si₄O₁₀F
Silicate
Triclinic
Mohs 5.5
Aheylite
Fe²⁺Al₆(PO₄)₄(OH)₈·4H₂O
Phosphate
Triclinic
Mohs 5–5.5
Ajoite
K₃Cu²⁺₂₀Al₃Si₂₉O₇₆(OH)₁₆·8H₂O
Silicate
Triclinic
Mohs 2
Akatoreite
Mn²⁺₉Al₂Si₈O₂₄(OH)₈
Silicate
Triclinic
Mohs 6
Albite
Na(AlSi₃O₈)
Silicate
Triclinic
Mohs 6–6.5
A
Albrechtschraufite
MgCa₄F₂[UO₂(CO₃)₃]₂·17-18H₂O
Carbonate
Triclinic
Mohs 2–3
Alicewilsonite-(YCe)
Na₂Sr₂YCe(CO₃)₆·3H₂O
Carbonate
Triclinic
Alicewilsonite-(YLa)
Na₂Sr₂YLa(CO₃)₆·3H₂O
Carbonate
Triclinic
Althupite
AlTh(UO₂)₇(PO₄)₄O₂(OH)₅·15H₂O
Phosphate
Triclinic
Aluminocopiapite
(Al,Mg)Fe³⁺₄(SO₄)₆(OH,O)₂·20H₂O
Sulfate
Triclinic
Mohs 2–3
A
Alumoedtollite
K₂NaCu₅AlO₂(AsO₄)₄
Arsenate
Triclinic
Alumohydrocalcite
CaAl₂(CO₃)₂(OH)₄·4H₂O
Carbonate
Triclinic
Mohs 2.5
Alunogen
Al₂(SO₄)₃(H₂O)₁₂·5H₂O
Sulfate
Triclinic
Mohs 1.5–2
Amarantite
Fe³⁺₂O(SO₄)₂·7H₂O
Sulfate
Triclinic
Mohs 2.5
Variety
Amazonite
KAlSi₃O₈
Silicate
Triclinic
Mohs 6–6.5
Amblygonite
LiAl(PO₄)F
Phosphate
Triclinic
Mohs 5.5–6
Ambrinoite
[K,(NH₄)]₂(As,Sb)₆(Sb,As)₂S₁₃·H₂O
Oxides & Hydroxide
Triclinic
Mohs 2
Amesite
Mg₂Al(AlSiO₅)(OH)₄
Silicate
Triclinic
Mohs 2.5–3
Anapaite
Ca₂Fe²⁺(PO₄)₂·4H₂O
Phosphate
Triclinic
Mohs 3.5
A
Anastasenkoite
CaFe²⁺P₂O₇
Phosphate
Triclinic
Variety
Andesine
(Ca,Na)(Al,Si)₄O₈
Silicate
Triclinic
Mohs 6–6.5
Andychristyite
PbCu²⁺Te⁶⁺O₅(H₂O)
Oxides & Hydroxide
Triclinic
Mohs 2–3
A
Angelellite
Fe³⁺₄O₃(AsO₄)₂
Arsenate
Triclinic
Anorpiment
As₂S₃
Sulfide
Triclinic
Mohs 1.5
Anorthite
Ca(Al₂Si₂O₈)
Silicate
Triclinic
Mohs 6–6.5
A
Anorthominasragrite
V⁴⁺O(SO₄)·5H₂O
Vanadate
Triclinic
Mohs 1
Anthoinite
AlWO₃(OH)₃
Tungstate
Triclinic
Mohs 1
Antipinite
KNa₃Cu₂(C₂O₄)₄
Organic Mineral
Triclinic
Mohs 2
Apexite
NaMg(PO₄)·9H₂O
Phosphate
Triclinic
Mohs 2
Aramayoite
Ag₃Sb₂(Bi,Sb)S₆
Sulfosalt
Triclinic
Mohs 2.5
A
Aravaipaite
Pb₃AlF₉·H₂O
Halide
Triclinic
Mohs 2
A
Argentodufrénoysite
Ag₃Pb₂₆As₃₅S₈₀
Sulfosalt
Triclinic
A
Argentoliveingite
AgₓPb₄₀₋₂ₓAs₄₈₊ₓS₁₁₂ (3 < x < 4)
Sulfosalt
Triclinic
Mohs 4
Arhbarite
Cu₂Mg(AsO₄)(OH)₃
Arsenate
Triclinic
Mohs 5
Arsenmarcobaldiite
Pb₁₂(As₃.₂Sb₂.₈)Σ₆S₂₁
Sulfosalt
Triclinic
Mohs 3
Arsenopalladinite
Pd₈As₃
Sulfide
Triclinic
Artroeite
PbAlF₃(OH)₂
Halide
Triclinic
Mohs 2.5
A
Aspidolite
NaMg₃(Si₃Al)O₁₀(OH)₂
Silicate
Triclinic
Mohs 2–3
Astrophyllite
K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F
Silicate
Triclinic
Mohs 3
Atencioite
Ca₂Fe²⁺₃Mg₂Be₄(PO₄)₆(OH)₄·6H₂O
Phosphate
Triclinic
Aubertite
Cu²⁺Al(SO₄)₂Cl·14H₂O
Sulfate
Triclinic
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
Axinite-(Mn)
Ca₄Mn²⁺₂Al₄[B₂Si₈O₃₀](OH)₂
Silicate
Triclinic
Mohs 6.5–7
B
Babefphite
BaBe(PO₄)F
Phosphate
Triclinic
Mohs 3.5
Babingtonite
Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)
Silicate
Triclinic
Mohs 5.5–6
Bainbridgeite-(YCe)
Na₂Ba₂YCe(CO₃)₆·3H₂O
Carbonate
Triclinic
B
Balićžunićite
Bi₂O(SO₄)₂
Sulfate
Triclinic
B
Bamfordite
Fe³⁺Mo₂O₆(OH)₃·H₂O
Molybdate
Triclinic
Mohs 2–3
B
Barentsite
Na₇Al(HCO₃)₂(CO₃)₂F₄
Carbonate
Triclinic
Mohs 3
B
Batievaite-(Y)
Ca₂Y₂[(H₂O)₂ ]Ti(Si₂O₇)₂(OH)₂(H₂O)₂
Silicate
Triclinic
Mohs 5–5.5
B
Batisivite
BaTi₆(V,Cr)₈(Si₂O₇)O₂₂
Silicate
Triclinic
Mohs 7–7.5
Baumhauerite
Pb₁₂As₁₆S₃₆
Sulfosalt
Triclinic
Mohs 3
B
Baumhauerite II
Pb₃As₄S₉
Sulfosalt
Triclinic
Baumstarkite
Ag₃Sb₃S₆
Sulfosalt
Triclinic
Mohs 2.5
B
Beckettite
Ca₂V₆Al₆O₂₀
Oxides & Hydroxide
Triclinic
B
Belakovskiite
Na₇(UO₂)(SO₄)₄(SO₃OH)(H₂O)₃
Sulfate
Triclinic
Mohs 2
Bellingerite
Cu₃(IO₃)₆·2H₂O
Iodate
Triclinic
Mohs 4
B
Belogubite
CuZn(SO₄)₂·10H₂O
Sulfate
Triclinic
Mohs 2.5
B
Bernarlottiite
Pb₁₂(As₁₀Sb₆)S₃₆
Sulfosalt
Triclinic
Betalomonosovite
Na₅₊ₓTi₄(Si₂O₇)₂[PO₃(OH)]₂₋ᵧ[PO₂(OH)₂]ᵧO₂[(OH,F)₂₋ₓOz], [0<x<2, 0<y<1, 0<z<1]
Silicate
Triclinic
Bikitaite
LiAlSi₂O₆·H₂O
Silicate
Triclinic
Mohs 6
Birnessite
(Na,Ca,K)₀.₆(Mn⁴⁺,Mn³⁺)₂O₄·1.5H₂O
Oxides & Hydroxide
Triclinic
Mohs 1.5
Bobcookite
NaAl(UO₂)₂(SO₄)₄·18H₂O
Sulfate
Triclinic
Mohs 2.5
B
Bobshannonite
Na₂KBa(Mn,Na)₈(Nb,Ti)₄(Si₂O₇)₄O₄(OH)₄(O,F)₂
Silicate
Triclinic
Mohs 4
B
Bohuslavite
Fe³⁺₄(PO₄)₃(SO₄)(OH)·nH₂O (15≤n≤24)
Phosphate
Triclinic
B
Bortolanite
Ca₂(Ca₁.₅Zr₀.₅)Na(NaCa)Ti(Si₂O₇)₂(OF)F₂
Silicate
Triclinic
Mohs 5
B
Boscardinite
TlPb₄(Sb₇As₂)Σ₌₉S₁₈
Sulfosalt
Triclinic
B
Bouškaite
(MoO₂)₂O(SO₃OH)₂(H₂O)₂·2H₂O
Molybdate
Triclinic
Mohs 2
Braccoite
NaMn²⁺₅[Si₅O₁₄(OH)](AsO₃)(OH)
Silicate
Triclinic
B
Braithwaiteite
NaCu²⁺₅(Sb⁵⁺Ti⁴⁺)O₂(AsO₄)₄[AsO₃(OH)]₂·8H₂O
Arsenate
Triclinic
Mohs 2
B
Branchite
C₂₀H₃₄
Organic Mineral
Triclinic
B
Brandãoite
BeAl₂(PO₄)₂(OH)₂(H₂O)₄·H₂O
Phosphate
Triclinic
B
Breyite
Ca₃Si₃O₉
Silicate
Triclinic
Britvinite
Pb₁₄Mg₉(Si₁₀O₂₈)(BO₃)₄(CO₃)₂(OH)₁₂F₂
Silicate
Triclinic
Mohs 3
B
Bukovskýite
Fe³⁺₂(AsO₄)(SO₄)(OH)·7H₂O
Arsenate
Triclinic
B
Bulgakite
Li₂(Ca,Na)Fe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄(O,F)(H₂O)₂
Silicate
Triclinic
Mohs 3
Bultfonteinite
Ca₂SiO₃(OH)F·H₂O
Silicate
Triclinic
Mohs 4.5
Bunnoite
Mn²⁺₆AlSi₆O₁₈(OH)₃
Silicate
Triclinic
Mohs 5.5
B
Burroite
Ca₂(NH₄)₂(V₁₀O₂₈)·15H₂O
Oxides & Hydroxide
Triclinic
Mohs 1.5–2
B
Bussenite
Ba₄(Na, )₂(Fe²⁺,Na)₂Ti₂(Si₂O₇)₂(CO₃)₂O₂(OH)₂(H₂O)₂F₂
Silicate
Triclinic
Mohs 4
Bustamite
Mn₂Ca₂MnCa(Si₃O₉)₂
Silicate
Triclinic
Mohs 5.5–6.5
Variety
Bytownite
(Ca,Na)(Al,Si)₄O₈
Silicate
Triclinic
Mohs 6–6.5
C
Cairncrossite
Sr₂Ca₇₋ₓNa₂ₓ(Si₄O₁₀)₄(OH)₂(H₂O)₁₅₋ₓ
Silicate
Triclinic
Mohs 3
C
Calcinaksite
KNaCa(Si₄O₁₀)·H₂O
Silicate
Triclinic
Mohs 5
C
Calcioaravaipaite
PbCa₂AlF₉
Halide
Triclinic
Mohs 2.5
Calciocopiapite
CaFe³⁺₄(SO₄)₆(OH)₂·20H₂O
Sulfate
Triclinic
Mohs 2–3
C
Calciomurmanite
(Na, )₂Ca(Ti,Mg,Nb)₄[Si₂O₇]₂O₂(OH,O)₂(H₂O)₄
Silicate
Triclinic
Mohs 2.5–3
Camérolaite
Cu₆Al₃(OH)₁₈(H₂O)₂[Sb(OH)₆](SO₄)
Sulfate
Triclinic
C
Caoxite
Ca(C₂O₄)·3H₂O
Organic Mineral
Triclinic
Carboirite
Fe²⁺Al₂GeO₅(OH)₂
Oxides & Hydroxide
Triclinic
Carlhintzeite
Ca₂AlF₇·H₂O
Halide
Triclinic
C
Carlsonite
(NH₄)₅Fe³⁺₃O(SO₄)₆·7H₂O
Sulfate
Triclinic
Mohs 2
Cascandite
CaScSi₃O₈(OH)
Silicate
Triclinic
Cassidyite
Ca₂Ni(PO₄)₂·2H₂O
Phosphate
Triclinic
C
Cattiite
Mg₃(PO₄)₂·22H₂O
Phosphate
Triclinic
Mohs 2
Ceruleite
CuAl₄(AsO₄)₂(OH)₈(H₂O)₄
Arsenate
Triclinic
C
Cesiodymite
CsKCu₅O(SO₄)₅
Sulfate
Triclinic
Mohs 3
Chabournéite
AgzTl₈₋ₓ₋zPb₄₊₂ₓSb₄₀₋ₓ₋ᵧAsᵧS₆₈ (with 0.00 ≤ x ≤ 0.40, 16.15 ≤ y ≤ 19.11, 0.04 ≤ z ≤ 0.11)
Sulfosalt
Triclinic
C
Chaidamuite
ZnFe³⁺(SO₄)₂(OH)·4H₂O
Sulfate
Triclinic
Mohs 2.5–3
Chalcanthite
Cu(SO₄)·5H₂O
Sulfate
Triclinic
Mohs 2.5
Chalcosiderite
CuFe³⁺₆(PO₄)₄(OH)₈·4H₂O
Phosphate
Triclinic
Mohs 4.5
Chamosite
(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈
Silicate
Triclinic
Mohs 2.5–3.5
Chenite
CuPb₄(SO₄)₂(OH)₆
Sulfate
Triclinic
Mohs 2.5
C
Chinchorroite
Na₂Mg₅(As₂O₇)₂(AsO₃OH)₂(H₂O)₁₀
Arsenate
Triclinic
Mohs 2.5
C
Chirvinskyite
(Na,Ca)₁₃(Fe,Mn, )₂Ti₂(Zr,Ti)₃(Si₂O₇)₄(OH,O,F)₁₂
Silicate
Triclinic
Mohs 5
Chloritoid
Fe²⁺Al₂O(SiO₄)(OH)₂
Silicate
Triclinic
Mohs 6.5
Christelite
Zn₃Cu₂(SO₄)₂(OH)₆·4H₂O
Sulfate
Triclinic
Chudobaite
Mg₅(AsO₄)₂(AsO₃OH)₂·10H₂O
Arsenate
Triclinic
Mohs 2.5–3
Clairite
(NH₄)₂Fe³⁺₃(SO₄)₄(OH)₃·3H₂O
Sulfate
Triclinic
Clinochlore
Mg₅Al(AlSi₃O₁₀)(OH)₈
Silicate
Triclinic
Mohs 2–2.5
C
Clinotobermorite
Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O)
Silicate
Triclinic
Mohs 4.5
Cobaltkoritnigite
Co(AsO₃OH)·H₂O
Arsenate
Triclinic
Mohs 2
C
Cobaltneustädtelite
Bi₂Fe³⁺(Co,Fe³⁺)(AsO₄)₂(O,OH)₄
Arsenate
Triclinic
Collinsite
Ca₂Mg(PO₄)₂·2H₂O
Phosphate
Triclinic
Mohs 3.5–5
Copiapite
Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O
Sulfate
Triclinic
Mohs 2.5–3
Coquandite
Sb³⁺₆₊ₓO₈₊ₓ(SO₄)(OH)ₓ(H₂O)₁₋ₓ (x = 0.3)
Sulfate
Triclinic
C
Coralloite
Mn²⁺Mn³⁺₂(AsO₄)₂(OH)₂·4H₂O
Arsenate
Triclinic
Cornubite
Cu₅(AsO₄)₂(OH)₄
Arsenate
Triclinic
Mohs 4
C
Coskrenite-(Ce)
Ce₂(SO₄)₂(C₂O₄)·8H₂O
Organic Mineral
Triclinic
C
Coyoteite
NaFe₃S₅·2H₂O
Oxides & Hydroxide
Triclinic
Mohs 1.5
C
Cryptochalcite
K₂Cu₅O(SO₄)₅
Sulfate
Triclinic
Mohs 3
C
Cuprodongchuanite
Pb₄CuZn₂(PO₄)₄(OH)₂
Phosphate
Triclinic
Cuprosklodowskite
Cu(UO₂)₂(SiO₃OH)₂·6H₂O
Silicate
Triclinic
Mohs 4
C
Cuprozheshengite
Pb₄CuZn₂(AsO₄)₂(PO₄)₂(OH)₂
Phosphate
Triclinic
Cylindrite
FePb₃Sn₄Sb₂S₁₄
Sulfosalt
Triclinic
Mohs 2.5
C
Cámaraite
Ba₃NaFe²⁺₈Ti₄(Si₂O₇)₄O₄(OH)₄F₃
Silicate
Triclinic
Mohs 5
Césarferreiraite
Fe²⁺Fe³⁺₂(AsO₄)₂(OH)₂·8H₂O
Arsenate
Triclinic
Dadsonite
Pb₂₃Sb₂₅S₆₀Cl
Sulfosalt
Triclinic
Mohs 2.5
D
Dalnegorskite
Ca₅Mn(Si₃O₉)₂
Silicate
Triclinic
Mohs 6
Dalnegroite
Tl₄Pb₂(As,Sb)₂₀S₃₄
Sulfosalt
Triclinic
Mohs 3–3.5
Dalyite
K₂ZrSi₆O₁₅
Silicate
Triclinic
Mohs 7.5
Davanite
K₂TiSi₆O₁₅
Silicate
Triclinic
Mohs 5
D
Davidlloydite
Zn₃(AsO₄)₂·4H₂O
Arsenate
Triclinic
Mohs 3–4
D
Deanesmithite
Hg¹⁺₂Hg²⁺₃S₂O(CrO₄)
Chromate
Triclinic
Mohs 5
D
Debattistiite
Ag₉Hg₀.₅As₆S₁₂Te₂
Sulfosalt
Triclinic
Mohs 2–2.5
D
Dellaite
Ca₆(Si₂O₇)(SiO₄)(OH)₂
Silicate
Triclinic
Demesmaekerite
Pb₂Cu₅(UO₂)₂(Se⁴⁺O₃)₆(OH)₆·2H₂O
Oxides & Hydroxide
Triclinic
Mohs 3–4
Destinezite
Fe³⁺₂(PO₄)(SO₄)(OH)·6H₂O
Phosphate
Triclinic
Mohs 3–4
D
Devilliersite
Ca₄Ca₂Fe³⁺₁₀O₄[(Fe³⁺₁₀Si₂)O₃₆]
Silicate
Triclinic
D
Devitoite
Ba₆Fe²⁺₇Fe³⁺₂(Si₄O₁₂)₂(PO₄)₂(CO₃)O₂(OH)₄
Silicate
Triclinic
Mohs 4
D
Dewitite
AgzTl₁₀₋ₓ₋zPb₂ₓSb₄₂₋ₓ₋ᵧAsᵧS₆₈ (0.09 ≤ x ≤ 2.13, 13.99 ≤ y ≤ 19.79, 0.10 ≤ z ≤ 0.50)
Sulfosalt
Triclinic
D
Disulfodadsonite
Pb₁₁Sb₁₃S₃₀(S₂)₀.₅
Sulfosalt
Triclinic
D
Dokuchaevite
Cu₈O₂(VO₄)₃Cl₃
Vanadate
Triclinic
Mohs 2
D
Domerockite
Cu₄(AsO₄)(AsO₃OH)(OH)₃·H₂O
Arsenate
Triclinic
Mohs 3
Dondoellite
Ca₂Fe(PO₄)₂·2H₂O
Phosphate
Triclinic
Dongchuanite
Pb₄ZnZn₂(PO₄)₄(OH)₂
Phosphate
Triclinic
Donnayite-(Y)
NaSr₃CaY(CO₃)₆·3H₂O
Carbonate
Triclinic
Mohs 3
D
Donowensite
Ca(H₂O)₃Fe³⁺₂(V₂O₇)₂
Vanadate
Triclinic
Mohs 3
Dorrite
Ca₄[Mg₃Fe³⁺₉]O₄[Si₃Al₈Fe³⁺O₃₆]
Silicate
Triclinic
Mohs 5
Doyleite
Al(OH)₃
Oxides & Hydroxide
Triclinic
Mohs 2.5–3
D
Drechslerite
Tl₄(Sb₄₋ₓAsₓ)S₈ (1 < x < 2)
Sulfosalt
Triclinic
E
Earlandite
Ca₃(C₆H₅O₇)₂·4H₂O
Organic Mineral
Triclinic
E
Edtollite
K₂NaCu₅Fe³⁺O₂(AsO₄)₄
Arsenate
Triclinic
E
Ehrleite
Ca₂ZnBe(PO₄)₂(PO₃OH)·4H₂O
Phosphate
Triclinic
Mohs 3.5
E
Ellingsenite
Na₅Ca₆Si₁₈O₃₈(OH)₁₃·6H₂O
Silicate
Triclinic
Mohs 4
Emmonsite
Fe³⁺₂(Te⁴⁺O₃)₃·2H₂O
Oxides & Hydroxide
Triclinic
Mohs 5
Ephesite
NaLiAl₂(Si₂Al₂)O₁₀(OH)₂
Silicate
Triclinic
Mohs 3.5–4
Epistolite
(Na )Nb₂Na₃Ti(Si₂O₇)₂O₂(OH)₂(H₂O)₄
Silicate
Triclinic
Mohs 1.5–3
E
Ericlaxmanite
Cu₄O(AsO₄)₂
Arsenate
Triclinic
Mohs 3.5
Ershovite
K₃Na₄(Fe,Mn,Ti)₂Si₈O₂₀(OH,O)₄·4H₂O
Silicate
Triclinic
Mohs 2–3
Ezcurrite
Na₂B₅O₇(OH)₃·2H₂O
Borate
Triclinic
Mohs 3
Fairbankite
Pb²⁺₁₂(Te⁴⁺O₃)₁₁(SO₄)
Sulfate
Triclinic
Mohs 2
Fairfieldite
Ca₂Mn²⁺(PO₄)₂·2H₂O
Phosphate
Triclinic
Mohs 3.5
F
Faizievite
Li₆K₂Na(Ca₆Na)Ti₄(Si₆O₁₈)₂(Si₁₂O₃₀)F₂
Silicate
Triclinic
Mohs 4–4.5
F
Faustite
ZnAl₆(PO₄)₄(OH)₈·4H₂O
Phosphate
Triclinic
Mohs 5.5
Fedorite
(K,Na)₂.₅(Ca,Na)₇Si₁₆O₃₈(OH,F)₂·3.5H₂O
Silicate
Triclinic
F
Fenaksite
KNaFe²⁺Si₄O₁₀
Silicate
Triclinic
Mohs 5–5.5
F
Ferrarisite
Ca₅(AsO₃OH)₂(AsO₄)₂·9H₂O
Arsenate
Triclinic
Ferricopiapite
Fe³⁺₀.₆₇Fe³⁺₄(SO₄)₆(OH)₂·20H₂O
Sulfate
Triclinic
Mohs 2
Ferristrunzite
Fe³⁺Fe³⁺₂(PO₄)₂(OH)₃·5H₂O
Phosphate
Triclinic
Ferrivauxite
Fe³⁺Al₂(PO₄)₂(OH)₃·5H₂O
Phosphate
Triclinic
Mohs 3.5
Ferrobustamite
CaFe²⁺Si₂O₆
Silicate
Triclinic
Mohs 6
F
Ferrolaueite
Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂·8H₂O
Phosphate
Triclinic
Ferrorhodonite
CaMn₃Fe(Si₅O₁₅)
Silicate
Triclinic
Mohs 6
Ferrostrunzite
Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂·6H₂O
Phosphate
Triclinic
Mohs 4
Fiedlerite
Pb₃Cl₄F(OH)·H₂O
Halide
Triclinic
Mohs 3.5
Fingerite
Cu₁₁O₂(VO₄)₆
Vanadate
Triclinic
F
Flaggite
Pb₄Cu²⁺₄Te⁶⁺₂(SO₄)₂O₁₁(OH)₂(H₂O)
Sulfate
Triclinic
Fluckite
CaMn²⁺(AsO₃OH)₂·2H₂O
Arsenate
Triclinic
Mohs 3.5–4
Flörkeite
(K₃Ca₂Na)[Al₈Si₈O₃₂]·12H₂O
Silicate
Triclinic
Fogoite-(Y)
Ca₂Y₂Na₃Ti(Si₂O₇)₂(OF)F₂
Silicate
Triclinic
Mohs 5
Footemineite
Ca₂Mn²⁺₅Be₄(PO₄)₆(OH)₄·6H₂O
Phosphate
Triclinic
Mohs 4.5–5
Foshagite
Ca₄(SiO₃)₃(OH)₂
Silicate
Triclinic
Mohs 3
Franckeite
Pb₂₁.₇Sn₉.₃Fe₄.₀Sb₈.₁S₅₆.₉
Sulfosalt
Triclinic
Mohs 2.5–3
Frankamenite
K₃Na₃Ca₅Si₁₂O₃₀(F,OH)₄·H₂O
Silicate
Triclinic
Mohs 5.5
F
Franklinphilite
(K,Na)₄(Mn²⁺,Mg,Zn)₄₈(Si,Al)₇₂(O,OH)₂₁₆·6H₂O
Silicate
Triclinic
Frolovite
Ca[B(OH)₄]₂
Oxides & Hydroxide
Triclinic
Mohs 3.5
F
Fulbrightite
Ca(VO)₂(AsO₄)₂·4H₂O
Arsenate
Triclinic
Mohs 2.5
Furongite
Al₄(UO₂)₄(PO₄)₆(OH)₂(H₂O)₁₉.₅
Phosphate
Triclinic
Gabrielite
Tl₂AgCu₂As₃S₇
Sulfosalt
Triclinic
Mohs 1.5–2
Gaitite
Ca₂Zn(AsO₄)₂·2H₂O
Arsenate
Triclinic
Mohs 5
G
Galgenbergite-(Ce)
CaCe₂(CO₃)₄·H₂O
Carbonate
Triclinic
G
Galliskiite
Ca₄Al₂(PO₄)₂F₈·5H₂O
Phosphate
Triclinic
Mohs 2.5
Gartrellite
PbCuFe³⁺(AsO₄)₂(OH)·H₂O
Arsenate
Triclinic
Mohs 4.5
Gearksutite
CaAlF₄(OH)·H₂O
Halide
Triclinic
Mohs 2
G
Geigerite
Mn²⁺₅(AsO₄)₂(AsO₃OH)₂·10H₂O
Arsenate
Triclinic
Mohs 3
Geminite
Cu²⁺(AsO₃OH)·H₂O
Arsenate
Triclinic
Mohs 3–3.5
Gerdtremmelite
ZnAl₂(AsO₄)(OH)₅
Arsenate
Triclinic
G
Gerenite-(Y)
(Ca,Na, )₂Y₃Si₆O₁₈·2H₂O
Silicate
Triclinic
G
Ghiaraite
CaCl₂·4H₂O
Halide
Triclinic
Gilmarite
Cu²⁺₃(AsO₄)(OH)₃
Arsenate
Triclinic
Mohs 3
G
Glagolevite
Na(Mg,Al)₆(Si₃Al)O₁₀(OH,O)₈
Silicate
Triclinic
Mohs 3–5
G
Goldquarryite
CuCd₂Al₃(PO₄)₄F₃·10H₂O
Phosphate
Triclinic
Mohs 3–4
Gordonite
MgAl₂(PO₄)₂(OH)₂·8H₂O
Phosphate
Triclinic
Mohs 3.5
Gormanite
Fe²⁺₃Al₄(PO₄)₄(OH)₆·2H₂O
Phosphate
Triclinic
Mohs 4–5
Grandviewite
Cu₃Al₂(SO₄)(OH)₁₀·H₂O
Sulfate
Triclinic
Mohs 2
G
Greenlizardite
(NH₄)Na(UO₂)₂(SO₄)₂(OH)₂·4H₂O
Sulfate
Triclinic
Mohs 2
G
Grguricite
CaCr₂(CO₃)₂(OH)₄·4H₂O
Carbonate
Triclinic
G
Grigorievite
Cu₃Fe³⁺₂Al₂(VO₄)₆
Vanadate
Triclinic
Mohs 5
G
Gurzhiite
Al(UO₂)(SO₄)₂F·10H₂O
Sulfate
Triclinic
Gyrolite
NaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O
Silicate
Triclinic
Mohs 3–4
Götzenite
Ca₄NaCa₂Ti(Si₂O₇)₂(OF)F₂
Silicate
Triclinic
Hainite-(Y)
(Ca₃Y)Na(NaCa)Ti(Si₂O₇)₂(OF)F₂
Silicate
Triclinic
H
Hallimondite
Pb₂(UO₂)(AsO₄)₂·nH₂O
Arsenate
Triclinic
Mohs 2.5–3
Hannayite
(NH₄)₂Mg₃(PO₃OH)₄·8H₂O
Phosphate
Triclinic
H
Hansesmarkite
Ca₂Mn₂Nb₆O₁₉·20H₂O
Oxides & Hydroxide
Triclinic
Mohs 2–2.5
Hatchite
AgTlPbAs₂S₅
Sulfosalt
Triclinic
H
Hayelasdiite
[Pb₄O₁.₅(OH)₂.₅]₂[Cu¹⁺₅(S₂O₃)₄(S₂O₂OH)₂(H₂O)]·4H₂O
Sulfate
Triclinic
H
Haywoodite
[Pb(H₂O)₁₀][Zn₁₂(OH)₂₀(H₂O)(SO₄)₃]
Sulfate
Triclinic
Helmutwinklerite
PbZn₂(AsO₄)₂·2H₂O
Arsenate
Triclinic
Mohs 4.5
Hemihedrite
ZnPb₁₀(CrO₄)₆(SiO₄)₂(OH)₂
Silicate
Triclinic
Mohs 3
Hemloite
(Ti,V³⁺,Fe³⁺,Al)₁₂As³⁺₂O₂₃(OH)
Oxides & Hydroxide
Triclinic
Mohs 6.5–7
Heneuite
CaMg₅(PO₄)₃(CO₃)(OH)
Phosphate
Triclinic
Mohs 5.5
Henmilite
Ca₂Cu[B(OH)₄]₂(OH)₄
Oxides & Hydroxide
Triclinic
Mohs 2.5
H
Heyerdahlite
Na₃Mn₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F(H₂O)₂
Silicate
Triclinic
Mohs 3
Hilgardite
Ca₂B₅O₉Cl·H₂O
Borate
Triclinic
Mohs 5
H
Hillite
Ca₂Zn(PO₄)₂·2H₂O
Phosphate
Triclinic
Mohs 3.5
Hiortdahlite
Na₂Ca₄(Ca₀.₅Zr₀.₅)Zr(Si₂O₇)₂OF₃
Silicate
Triclinic
Mohs 5.5
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