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Mohs 5 minerals

The reference mineral for 5 is apatite.

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630 minerals · Mohs 5 minerals
GroupApatite specimen
Apatite Ca₅(PO₄)₃(F,Cl,OH)
PhosphateHexagonalMohs 5
Fluorapatite specimen
Fluorapatite Ca₅(PO₄)₃F
PhosphateHexagonalMohs 5
Hematite specimen
Hematite Fe₂O₃
Oxides & HydroxideHexagonalMohs 5–6
RockLapis Lazuli specimen
Lapis Lazuli Rock — mainly lazurite
SilicateCubicMohs 5–5.5
MineraloidObsidian specimen
Obsidian SiO₂-rich volcanic glass
SilicateAmorphousMohs 5–5.5
Turquoise specimen
Turquoise CuAl₆(PO₄)₄(OH)₈·4H₂O
PhosphateTriclinicMohs 5–6
Actinolite specimen
Actinolite Ca₂(Mg₄.₅₋₂.₅Fe²⁺₀.₅₋₂.₅)Si₈O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
Adelite specimen
Adelite CaMg(AsO₄)(OH)
ArsenateOrthorhombicMohs 5
A
Aeschynite-(Ce) (Ce,Ca,Fe,Th)(Ti,Nb)₂(O,OH)₆
Oxides & HydroxideOrthorhombicMohs 5–6
A
Aeschynite-(Nd) (Nd,Ln,Ca)(Ti,Nb)₂(O,OH)₆
Oxides & HydroxideOrthorhombicMohs 5–6
Aeschynite-(Y) specimen
Aeschynite-(Y) (Y,Ln,Ca,Th)(Ti,Nb)₂(O,OH)₆
Oxides & HydroxideOrthorhombicMohs 5–6
Aheylite specimen
Aheylite Fe²⁺Al₆(PO₄)₄(OH)₈·4H₂O
PhosphateTriclinicMohs 5–5.5
A
Alexkuznetsovite-(Ce) Ce₂Mn(CO₃)(Si₂O₇)
SilicateMonoclinicMohs 5
A
Alexkuznetsovite-(La) La₂Mn(CO₃)(Si₂O₇)
SilicateMonoclinicMohs 5
Alforsite specimen
Alforsite Ba₅(PO₄)₃Cl
PhosphateHexagonalMohs 5
A
Allabogdanite (Fe,Ni)₂P
Native ElementOrthorhombicMohs 5–6
Alloclasite specimen
Alloclasite CoAsS
SulfosaltMonoclinicMohs 5
A
Alloriite (Na,K,Ca)₂₄(Na,Ca)₄Ca₄(Si,Al)₄₈O₉₆(SO₄)₄(SO₃,CO₃)₂(OH,Cl)₂(H₂O,OH)₄
SilicateHexagonalMohs 5
A
Alluaivite Na₁₉(Ca,Mn²⁺)₆(Ti,Nb)₃Si₂₆O₇₄Cl·2H₂O
SilicateHexagonalMohs 5–6
Alluaudite specimen
Alluaudite NaMnFe³⁺₂(PO₄)₃
PhosphateMonoclinicMohs 5–5.5
A
Alsakharovite-Zn NaSrKZn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·7H₂O
SilicateMonoclinicMohs 5
GroupAmphibole specimen
Amphibole A₀₋₁B₂C₅T₈O₂₂(OH)₂
SilicateMonoclinicMohs 5–6.5
Amstallite specimen
Amstallite CaAl[(Al,Si)₄O₈(OH)₂](OH)₂·(H₂O,Cl)
SilicateMonoclinicMohs 3–5
Analcime specimen
Analcime Na(AlSi₂O₆)·H₂O
SilicateTetragonalMohs 5–5.5
Andrianovite specimen
Andrianovite Na₁₂(K,Sr,Ce)₃Ca₆Mn₃Zr₃Nb(Si₂₅O₇₃)(O,H₂O,OH)₅
SilicateHexagonalMohs 5
Aqualite specimen
Aqualite (H₃O)₈(Na,K,Sr)₅Ca₆Zr₃Si₂₆O₆₆(OH)₉Cl
SilicateHexagonalMohs 4–5
A
Aravaite Ba₂Ca₁₈(SiO₄)₆(PO₄)₃(CO₃)F₃O
SilicateHexagonalMohs 5
Arctite specimen
Arctite (Na₅Ca)Ca₆Ba(PO₄)₆F₃
PhosphateHexagonalMohs 5
Arfvedsonite specimen
Arfvedsonite NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
Arhbarite specimen
Arhbarite Cu₂Mg(AsO₄)(OH)₃
ArsenateTriclinicMohs 5
Armalcolite specimen
Armalcolite (Mg,Fe²⁺)Ti₂O₅
Oxides & HydroxideOrthorhombicMohs 5
A
Arrheniusite-(Ce) CaMg[(Ce₇Y₃)Ca₅](SiO₄)₃(Si₃B₃O₁₈)(AsO₄)(BO₃)F₁₁
SilicateHexagonalMohs 5
A
Arrojadite-(BaNa) BaNa₃(NaCa)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂
PhosphateMonoclinicMohs 4–5
A
Arrojadite-(KFe) (KNa)Fe²⁺(CaNa₂)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂
PhosphateMonoclinicMohs 5
A
Arrojadite-(KNa) KNa₃(CaNa₂)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂
PhosphateMonoclinicMohs 5
A
Arsenbrackebuschite Pb₂(Fe³⁺,Zn)(AsO₄)₂(OH,H₂O)
ArsenateMonoclinicMohs 4–5
Arsendescloizite specimen
Arsendescloizite PbZn(AsO₄)(OH)
ArsenateOrthorhombicMohs 4–5
A
Arsenoclasite Mn²⁺₅(AsO₄)₂(OH)₄
ArsenateOrthorhombicMohs 5–6
A
Arsenowagnerite Mg₂(AsO₄)F
ArsenateMonoclinicMohs 5
Ashcroftine-(Y) specimen
Ashcroftine-(Y) K₅Na₅Y₁₂Si₂₈O₇₀(OH)₂(CO₃)₈·8H₂O
SilicateTetragonalMohs 5
Atelestite specimen
Atelestite Bi₂O(AsO₄)(OH)
ArsenateMonoclinicMohs 4.5–5
A
Attakolite CaMn²⁺Al₄(HSiO₄)(PO₄)₃(OH)₄
SilicateMonoclinicMohs 5
Augelite specimen
Augelite Al₂(PO₄)(OH)₃
PhosphateMonoclinicMohs 4.5–5
Bafertisite specimen
Bafertisite Ba₂Fe²⁺₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂
SilicateMonoclinicMohs 5
B
Baileychlore (Zn,Fe²⁺,Al,Mg)₆(Si,Al)₄O₁₀(OH)₈
SilicateMonoclinicMohs 5
B
Balliranoite (Na,K)₆Ca₂(Si₆Al₆O₂₄)Cl₂(CO₃)
SilicateHexagonalMohs 5
Bario-olgite specimen
Bario-olgite Na(Na,Sr,Ce)₂Ba(PO₄)₂
PhosphateHexagonalMohs 4.5–5
B
Barroisite (NaCa)(Mg₃Al₂)(Si₇Al)O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
B
Batievaite-(Y) Ca₂Y₂[(H₂O)₂   ]Ti(Si₂O₇)₂(OH)₂(H₂O)₂
SilicateTriclinicMohs 5–5.5
Bauranoite specimen
Bauranoite BaU₂O₇·4-5H₂O
Oxides & HydroxideMohs 5
B
Bearthite Ca₂Al(PO₄)₂(OH)
PhosphateMonoclinicMohs 5
B
Bederite Ca₂Mn²⁺₄Fe³⁺₂(PO₄)₆·2H₂O
PhosphateOrthorhombicMohs 5
Bellbergite specimen
Bellbergite (K,Ba,Sr)₂Sr₂Ca₂(Ca,Na)₄(Si,Al)₃₆O₇₂·30H₂O
SilicateHexagonalMohs 5
Belovite-(Ce) specimen
Belovite-(Ce) NaCeSr₃(PO₄)₃F
PhosphateHexagonalMohs 5
B
Belovite-(La) NaLaSr₃(PO₄)₃F
PhosphateHexagonalMohs 5
Bementite specimen
Bementite Mn₇Si₆O₁₅(OH)₈
SilicateMonoclinicMohs 4.5–6
B
Bennesherite Ba₂Fe²⁺Si₂O₇
SilicateTetragonalMohs 5
Bergslagite specimen
Bergslagite CaBe(AsO₄)(OH)
ArsenateMonoclinicMohs 5
Berzeliite specimen
Berzeliite (NaCa₂)Mg₂(AsO₄)₃
ArsenateCubicMohs 4.5–5
Beusite specimen
Beusite Mn²⁺Mn²⁺₂(PO₄)₂
PhosphateMonoclinicMohs 5
B
Beusite-(Ca) CaMn²⁺₂(PO₄)₂
PhosphateMonoclinicMohs 5
B
Biachellaite (Na,Ca,K)₈(Si₆Al₆O₂₄)(SO₄)₂(OH)₀.₅·H₂O
SilicateHexagonalMohs 5
B
Billwiseite Sb³⁺₅Nb₃WO₁₈
TungstateMonoclinicMohs 5
B
Biraite-(Ce) Ce₂Fe²⁺(Si₂O₇)(CO₃)
SilicateMonoclinicMohs 5
B
Biraite-(La) La₂Fe²⁺(CO₃)(Si₂O₇)
SilicateMonoclinicMohs 5
B
Bismutostibiconite (Bi,Fe³⁺,   )₂Sb⁵⁺₂O₇
Oxides & HydroxideCubicMohs 4–5
Bismutotantalite specimen
Bismutotantalite BiTaO₄
Oxides & HydroxideOrthorhombicMohs 5–5.5
B
Bohseite Ca₄Be₃₊ₓAl₁₋ₓSi₉O₂₅₋ₓ(OH)₃₊ₓ (x = 0 to 1)
SilicateOrthorhombicMohs 5–6
B
Bortolanite Ca₂(Ca₁.₅Zr₀.₅)Na(NaCa)Ti(Si₂O₇)₂(OF)F₂
SilicateTriclinicMohs 5
Brenkite specimen
Brenkite Ca₂(CO₃)F₂
CarbonateOrthorhombicMohs 5
Brewsterite-Ba specimen
Brewsterite-Ba Ba(Al₂Si₆)O₁₆·5H₂O
SilicateMonoclinicMohs 5–5.5
B
Brianroulstonite Ca₃B₅O₆(OH)₇Cl₂·8H₂O
BorateMonoclinicMohs 5
Britholite-(Ce) specimen
Britholite-(Ce) (Ce,Ca)₅(SiO₄)₃(OH)
SilicateMonoclinicMohs 5
Brunogeierite specimen
Brunogeierite Fe²⁺₂Ge⁴⁺O₄
Oxides & HydroxideCubicMohs 5
Burangaite specimen
Burangaite NaFe²⁺Al₅(PO₄)₄(OH)₆·2H₂O
PhosphateMonoclinicMohs 5
Burpalite specimen
Burpalite Na₄Ca₂Zr₂(Si₂O₇)₂F₄
SilicateMonoclinicMohs 5–6
Bystrite specimen
Bystrite (Na,K)₇Ca(Si₆Al₆)O₂₄(S²⁻)₁.₅·H₂O
SilicateHexagonalMohs 5
B
Byzantievite Ba₅(Ca,REE,Y)₂₂(Ti,Nb)₁₈(SiO₄)₄[(PO₄),(SiO₄)]₄(BO₃)₉O₂₂[(OH),F]₄₃(H₂O)₁.₅
SilicateHexagonalMohs 4.5–5
Bøggildite specimen
Bøggildite Na₂Sr₂Al₂(PO₄)F₉
PhosphateMonoclinicMohs 4–5
Cabalzarite specimen
Cabalzarite CaMg₂(AsO₄)₂·2H₂O
ArsenateMonoclinicMohs 5
Cafetite specimen
Cafetite CaTi₂O₅·H₂O
Oxides & HydroxideMonoclinicMohs 4–5
C
Calcinaksite KNaCa(Si₄O₁₀)·H₂O
SilicateTriclinicMohs 5
C
Calciocatapleiite CaZrSi₃O₉·2H₂O
SilicateOrthorhombicMohs 4.5–5
C
Calciosamarskite (Ca,Fe,Y)(Nb,Ta,Ti)O₄
Oxides & HydroxideMonoclinicMohs 5–6
Calvertite specimen
Calvertite Cu₅Ge₀.₅S₄
SulfideCubicMohs 4–5
Cancrinite specimen
Cancrinite (Na,Ca,   )₈(Al₆Si₆)O₂₄(CO₃,SO₄)₂·2H₂O
SilicateHexagonalMohs 5–6
Cancrisilite specimen
Cancrisilite Na₇(Si₇Al₅)O₂₄(CO₃)·3H₂O
SilicateHexagonalMohs 5
C
Carbokentbrooksite (Na,   )₁₂(Na,Ce)₃Ca₆Mn₃Zr₃NbSi₂₅O₇₃(OH)₃(CO₃)·H₂O
SilicateHexagonalMohs 5
C
Carlgieseckeite-(Nd) NaNdCa₃(PO₄)₃F
PhosphateHexagonalMohs 5
Carrollite specimen
Carrollite CuCo₂S₄
SulfideCubicMohs 4.5–5.5
Cebaite-(Ce) specimen
Cebaite-(Ce) Ba₃Ce₂(CO₃)₅F₂
CarbonateMonoclinicMohs 4.5–5
Cebollite specimen
Cebollite Ca₅Al₂(SiO₄)₃(OH)₄
SilicateMohs 5
Cervandonite-(Ce) specimen
Cervandonite-(Ce) (Ce,Nd,La)(Fe³⁺,Ti,Fe²⁺,Al)₃O₂(Si₂O₇)₁₋ₓ₊ᵧ(AsO₃)₁₊ₓ₋ᵧ(OH)₃ₓ₋₃ᵧ
SilicateHexagonalMohs 5
Cervantite specimen
Cervantite Sb³⁺Sb⁵⁺O₄
Oxides & HydroxideOrthorhombicMohs 4–5
C
Cesiokenopyrochlore Nb₂(O,OH)₆Cs₁₋ₓ
Oxides & HydroxideCubicMohs 5
Chabazite-Ca specimen
Chabazite-Ca Ca₂[Al₄Si₈O₂₄]·13H₂O
SilicateTrigonalMohs 4–5
C
Chabazite-K (K₂NaCa₀.₅)[Al₄Si₈O₂₄]·11H₂O
SilicateTrigonalMohs 4–5
C
Chabazite-Na (Na₃K)[Al₄Si₈O₂₄]·11H₂O
SilicateTrigonalMohs 4–5
Charoite specimen
Charoite (K,Sr,Ba,Mn)₁₅₋₁₆(Ca,Na)₃₂[Si₇₀(O,OH)₁₈₀](OH,F)₄·nH₂O
SilicateMonoclinicMohs 5–6
C
Chengdeite Ir₃Fe
Native ElementCubicMohs 5
Cheralite specimen
Cheralite CaTh(PO₄)₂
PhosphateMonoclinicMohs 5
Childrenite specimen
Childrenite Fe²⁺Al(PO₄)(OH)₂·H₂O
PhosphateOrthorhombicMohs 5
C
Chirvinskyite (Na,Ca)₁₃(Fe,Mn,   )₂Ti₂(Zr,Ti)₃(Si₂O₇)₄(OH,O,F)₁₂
SilicateTriclinicMohs 5
C
Chladniite Na₃CaMg₁₁(PO₄)₉
PhosphateHexagonalMohs 4.5–5
Chlorapatite specimen
Chlorapatite Ca₅(PO₄)₃Cl
PhosphateHexagonalMohs 5
C
Chlorkyuygenite Ca₁₂Al₁₄O₃₂[(H₂O)₄Cl₂]
HalideCubicMohs 5–5.5
C
Chrisstanleyite Ag₂Pd₃Se₄
SulfideMonoclinicMohs 5
C
Clinoenstatite Mg₂Si₂O₆
SilicateMonoclinicMohs 5–6
Clinoferrosilite specimen
Clinoferrosilite Fe²⁺₂Si₂O₆
SilicateMonoclinicMohs 5–6
Clinosafflorite specimen
Clinosafflorite CoAs₂
SulfideMonoclinicMohs 4.5–5
Coffinite specimen
Coffinite U(SiO₄)·nH₂O
SilicateTetragonalMohs 5–6
Collinsite specimen
Collinsite Ca₂Mg(PO₄)₂·2H₂O
PhosphateTriclinicMohs 3.5–5
Cooperite specimen
Cooperite PtS
SulfideTetragonalMohs 4–5
Coronadite specimen
Coronadite Pb(Mn⁴⁺₆Mn³⁺₂)O₁₆
Oxides & HydroxideMonoclinicMohs 4.5–5
C
Coulsonite Fe²⁺V³⁺₂O₄
Oxides & HydroxideCubicMohs 4.5–5
Crandallite specimen
Crandallite CaAl₃(PO₄)(PO₃OH)(OH)₆
PhosphateHexagonalMohs 5
Crichtonite specimen
Crichtonite Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
Oxides & HydroxideTrigonalMohs 4.5–5
Cummingtonite specimen
Cummingtonite Mg₂Mg₅Si₈O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
C
Cuprokalininite Cu(Cr³⁺Cr⁴⁺)S₄
SulfideCubicMohs 4.5–5
Cuprorivaite specimen
Cuprorivaite CaCuSi₄O₁₀
SilicateTetragonalMohs 5
Curite specimen
Curite Pb₃₊ₓ[(UO₂)₄O₄₊ₓ(OH)₃₋ₓ]₂·2H₂O
Oxides & HydroxideOrthorhombicMohs 4–5
Cuspidine specimen
Cuspidine Ca₈(Si₂O₇)₂F₄
SilicateMonoclinicMohs 5–6
C
Czochralskiite Na₄Ca₃Mg(PO₄)₄
PhosphateOrthorhombicMohs 4–5
C
Cámaraite Ba₃NaFe²⁺₈Ti₄(Si₂O₇)₄O₄(OH)₄F₃
SilicateTriclinicMohs 5
Darapiosite specimen
Darapiosite KNa₂Mn₂(Li₂ZnSi₁₂)O₃₀
SilicateHexagonalMohs 5
D
Dargaite BaCa₁₂(SiO₄)₄(SO₄)₂O₃
SilicateHexagonalMohs 4.5–5.5
Datolite specimen
Datolite CaB(SiO₄)(OH)
SilicateMonoclinicMohs 5–5.5
Daubréelite specimen
Daubréelite FeCr₂S₄
SulfideCubicMohs 5
Davanite specimen
Davanite K₂TiSi₆O₁₅
SilicateTriclinicMohs 5
D
Davinciite Na₁₂K₃Ca₆Fe²⁺₃Zr₃(Si₂₆O₇₃OH)Cl₂
SilicateHexagonalMohs 5
D
Deanesmithite Hg¹⁺₂Hg²⁺₃S₂O(CrO₄)
ChromateTriclinicMohs 5
D
Delhuyarite-(Ce) Ce₄Mg(Fe³⁺₂W)   (Si₂O₇)₂O₆(OH)₂
SilicateMonoclinicMohs 5–6
Denisovite specimen
Denisovite KCa₂Si₃O₈F
SilicateMonoclinicMohs 4–5
D
Depmeierite Na₈[Al₆Si₆O₂₄](PO₄,CO₃)₁₋ₓ·3H₂O (x< 0.5)
SilicateHexagonalMohs 5
Derbylite specimen
Derbylite Fe³⁺₄Ti⁴⁺₃Sb³⁺O₁₃(OH)
Oxides & HydroxideMonoclinicMohs 5
D
Diegogattaite Na₂CaCu₂Si₈O₂₀·H₂O
SilicateMonoclinicMohs 5–6
Dioptase specimen
Dioptase CuSiO₃·H₂O
SilicateHexagonalMohs 5
D
Diversilite-(Ce) Na₂Ba₆Ce₂Fe²⁺Ti₃Si₁₂O₃₆(OH)₁₀·nH₂O
SilicateHexagonalMohs 5
Donpeacorite specimen
Donpeacorite (Mn,Mg)MgSi₂O₆
SilicateOrthorhombicMohs 5–6
Dorrite specimen
Dorrite Ca₄[Mg₃Fe³⁺₉]O₄[Si₃Al₈Fe³⁺O₃₆]
SilicateTriclinicMohs 5
Dualite specimen
Dualite Na₃₀(Ca,Na,Ce,Sr)₁₂(Na,Mn,Fe,Ti)₆Zr₃Ti₃MnSi₅₁O₁₄₄(OH,H₂O,Cl)₉
SilicateHexagonalMohs 5
Durangite specimen
Durangite NaAl(AsO₄)F
ArsenateMonoclinicMohs 5–5.5
Eckermannite specimen
Eckermannite NaNa₂(Mg₄Al)Si₈O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
Edenite specimen
Edenite NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
Ekanite specimen
Ekanite Ca₂ThSi₈O₂₀
SilicateTetragonalMohs 4.5–5
E
Eliseevite Na₁.₅Li{Ti₂O₂[Si₄O₁₀.₅(OH)₁.₅]}·2H₂O
SilicateMonoclinicMohs 5
Ellinaite specimen
Ellinaite CaCr₂O₄
Oxides & HydroxideOrthorhombicMohs 4.5–5
Elpidite specimen
Elpidite Na₂ZrSi₆O₁₅·3H₂O
SilicateOrthorhombicMohs 5
Emeleusite specimen
Emeleusite Na₂LiFe³⁺Si₆O₁₅
SilicateOrthorhombicMohs 5–6
Emmonsite specimen
Emmonsite Fe³⁺₂(Te⁴⁺O₃)₃·2H₂O
Oxides & HydroxideTriclinicMohs 5
Enstatite specimen
Enstatite Mg₂Si₂O₆
SilicateOrthorhombicMohs 5–6
Eosphorite specimen
Eosphorite Mn²⁺Al(PO₄)(OH)₂·H₂O
PhosphateOrthorhombicMohs 5
Eudialyte specimen
Eudialyte Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
SilicateHexagonalMohs 5–6
E
Eveslogite (Ca,K,Na,Sr,Ba)₄₈(Ti,Nb,Fe,Mn)₁₂(OH)₁₂Si₄₈O₁₄₄(OH,F,Cl)₁₄
SilicateMonoclinicMohs 5
Fabrièsite specimen
Fabrièsite Na₃Al₃Si₃O₁₂·2H₂O
SilicateOrthorhombicMohs 5–5.5
F
Farneseite Na₄₆Ca₁₀(Si₄₂Al₄₂O₁₆₈)(SO₄)₁₂·6H₂O
SilicateHexagonalMohs 5
Faujasite-Na specimen
Faujasite-Na (Na,Ca,Mg)₂(Si,Al)₁₂O₂₄·15H₂O
SilicateCubicMohs 4.5–5
Feinglosite specimen
Feinglosite Pb₂Zn(AsO₄)₂·H₂O
ArsenateMonoclinicMohs 4–5
F
Fenaksite KNaFe²⁺Si₄O₁₀
SilicateTriclinicMohs 5–5.5
Fencooperite specimen
Fencooperite Ba₆Fe³⁺₃Si₈O₂₃(CO₃)₂Cl₃·H₂O
SilicateHexagonalMohs 4.5–5
F
Fengchengite Na₁₂   ₃Ca₆Fe³⁺₃Zr₃Si(Si₂₅O₇₃)(H₂O)₃(OH)₂
SilicateHexagonalMohs 5
F
Ferro-actinolite Ca₂(Mg₂.₅₋₀.₀Fe²⁺₂.₅₋₅.₀)Si₈O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
Ferro-edenite specimen
Ferro-edenite NaCa₂Fe²⁺₅(Si₇Al)O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
F
Ferro-fluoro-edenite NaCa₂Fe²⁺₅(Si₇AlO₂₂)F₂
SilicateMonoclinicMohs 5–6
Ferro-hornblende specimen
Ferro-hornblende Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
F
Ferro-pargasite NaCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
Ferro-richterite specimen
Ferro-richterite Na(NaCa)Fe²⁺₅Si₈O₂₂(OH)₂
SilicateMohs 5–6
F
Ferro-tschermakite Ca₂(Fe²⁺₃Al₂)(Si₆Al₂)O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
F
Ferroalluaudite NaFe²⁺Fe³⁺₂(PO₄)₃
PhosphateMonoclinicMohs 5
F
Ferrobobfergusonite Na₂Fe²⁺₅Fe³⁺Al(PO₄)₆
PhosphateMonoclinicMohs 5
Ferrokentbrooksite specimen
Ferrokentbrooksite Na₁₅Ca₆Fe²⁺₃Zr₃Nb(Si₂₅O₇₃)(O,OH,H₂O)₃(F,Cl)₂
SilicateHexagonalMohs 5–6
F
Ferromerrillite Ca₉NaFe²⁺(PO₄)₇
PhosphateMohs 5
F
Ferronordite-(Ce) Na₃SrCeFe²⁺Si₆O₁₇
SilicateOrthorhombicMohs 5
F
Ferronordite-(La) Na₃SrLaFe²⁺Si₆O₁₇
SilicateOrthorhombicMohs 5
Fersmanite specimen
Fersmanite Ca₄(Na,Ca)₄(Ti,Nb)₄(Si₂O₇)₂O₈F₃
SilicateMonoclinicMohs 5–5.5
Fetiasite specimen
Fetiasite (Fe²⁺,Fe³⁺,Ti⁴⁺)₃O₂As³⁺₂O₅
Oxides & HydroxideMonoclinicMohs 5
F
Filatovite K(Al,Zn)₂(As,Si)₂O₈
SilicateMonoclinicMohs 5–6
F
Flamite Ca₈₋ₓ(Na,K)ₓ(SiO₄)₄₋ₓ(PO₄)ₓ
SilicateHexagonalMohs 5–5.5
Florencite-(Ce) specimen
Florencite-(Ce) CeAl₃(PO₄)₂(OH)₆
PhosphateHexagonalMohs 5–6
Florencite-(La) specimen
Florencite-(La) LaAl₃(PO₄)₂(OH)₆
PhosphateMohs 5
F
Florensovite Cu(Cr₁.₅Sb₀.₅)S₄
SulfosaltCubicMohs 5
F
Fluocerite-(La) LaF₃
HalideHexagonalMohs 4–5
F
Fluorapophyllite-(Cs) CsCa₄(Si₈O₂₀)F(H₂O)₈
SilicateTetragonalMohs 4.5–5
Fluorapophyllite-(K) specimen
Fluorapophyllite-(K) KCa₄Si₈O₂₀F·8H₂O
SilicateTetragonalMohs 4.5–5
F
Fluorapophyllite-(NH_4_) (NH₄)Ca₄(Si₈O₂₀)F·8H₂O
SilicateTetragonalMohs 4.5–5
F
Fluorarrojadite-(BaFe) Na₂CaBaFe²⁺Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂
PhosphateMonoclinicMohs 4–5
F
Fluorarrojadite-(BaNa) BaNa₄CaFe₁₃Al(PO₄)₁₁(PO₃OH)F₂
PhosphateMonoclinicMohs 4.5–5
F
Fluorbritholite-(Ce) (Ce,Ca)₅(SiO₄)₃F
SilicateHexagonalMohs 5
F
Fluorcalciomicrolite (Ca,Na,   )₂Ta₂O₆F
HalideCubicMohs 4–5
Fluorcalciopyrochlore specimen
Fluorcalciopyrochlore (Ca,Na)₂(Nb,Ti)₂O₆F
HalideCubicMohs 5
F
Fluorcanasite K₃Na₃Ca₅Si₁₂O₃₀F₄·H₂O
SilicateMonoclinicMohs 5
Fluorcaphite specimen
Fluorcaphite SrCaCa₃(PO₄)₃F
PhosphateHexagonalMohs 5
Fluorcarletonite specimen
Fluorcarletonite KNa₄Ca₄Si₈O₁₈(CO₃)₄F·H₂O
SilicateMohs 4.5–5
F
Fluorkyuygenite Ca₁₂Al₁₄O₃₂[(H₂O)₄F₂]
HalideCubicMohs 5–5.5
Fluornatromicrolite specimen
Fluornatromicrolite (Na₁.₅Bi₀.₅)Ta₂O₆F
HalideCubicMohs 5
F
Fluoro-tremolite Ca₂Mg₅Si₈O₂₂F₂
SilicateMonoclinicMohs 5–6
F
Fluorowardite NaAl₃(PO₄)₂(OH)₂F₂·2H₂O
PhosphateTetragonalMohs 5
Fogoite-(Y) specimen
Fogoite-(Y) Ca₂Y₂Na₃Ti(Si₂O₇)₂(OF)F₂
SilicateTriclinicMohs 5
Footemineite specimen
Footemineite Ca₂Mn²⁺₅Be₄(PO₄)₆(OH)₄·6H₂O
PhosphateTriclinicMohs 4.5–5
Franzinite specimen
Franzinite (Na,K)₃₀Ca₁₀(Si₃₀Al₃₀)O₁₂₀(SO₄)₁₀·2H₂O
SilicateHexagonalMohs 5
Freudenbergite specimen
Freudenbergite Na(Ti⁴⁺₃Fe³⁺)O₈
Oxides & HydroxideMonoclinicMohs 5
Friedelite specimen
Friedelite Mn²⁺₈Si₆O₁₅(OH)₁₀
SilicateMonoclinicMohs 4–5
Gaidonnayite specimen
Gaidonnayite Na₂ZrSi₃O₉·2H₂O
SilicateOrthorhombicMohs 5
Gaitite specimen
Gaitite Ca₂Zn(AsO₄)₂·2H₂O
ArsenateTriclinicMohs 5
G
Galuskinite Ca₇(SiO₄)₃(CO₃)
SilicateMonoclinicMohs 5
Gamagarite specimen
Gamagarite Ba₂Fe³⁺(VO₄)₂(OH)
VanadateMonoclinicMohs 4.5–5
Garpenbergite specimen
Garpenbergite Mn₆AsSbO₁₀(OH)₂
Oxides & HydroxideOrthorhombicMohs 5
Gasparite-(Ce) specimen
Gasparite-(Ce) Ce(AsO₄)
ArsenateMonoclinicMohs 4.5–5
Gatumbaite specimen
Gatumbaite CaAl₂(PO₄)₂(OH)₂·H₂O
PhosphateMonoclinicMohs 5
Gayite specimen
Gayite NaMnFe₅(PO₄)₄(OH)₆·2H₂O
PhosphateMonoclinicMohs 4–5
Gehlenite specimen
Gehlenite Ca₂Al(SiAl)O₇
SilicateTetragonalMohs 5–6
Geikielite specimen
Geikielite MgTiO₃
Oxides & HydroxideHexagonalMohs 5–6
Georgbarsanovite specimen
Georgbarsanovite Na₁₂(Mn,Sr,REE)₃Ca₆Fe²⁺₃Zr₃NbSi₂₅O₇₆Cl₂·H₂O
SilicateHexagonalMohs 5
Georgechaoite specimen
Georgechaoite KNaZrSi₃O₉·2H₂O
SilicateOrthorhombicMohs 5
G
Geversite PtSb₂
SulfideCubicMohs 4.5–5
G
Gjerdingenite-Ca K₂Ca(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O
SilicateMonoclinicMohs 5
Gjerdingenite-Fe specimen
Gjerdingenite-Fe K₂Fe(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O
SilicateMonoclinicMohs 5
G
Gjerdingenite-Mn K₂Mn(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O
SilicateMonoclinicMohs 5
G
Gjerdingenite-Na K₂Na(Nb,Ti)₄(Si₄O₁₂)₂(OH,O)₄·5H₂O
SilicateMonoclinicMohs 5
G
Glagolevite Na(Mg,Al)₆(Si₃Al)O₁₀(OH,O)₈
SilicateTriclinicMohs 3–5
Glaucodot specimen
Glaucodot (Co₀.₅Fe₀.₅)AsS
SulfosaltOrthorhombicMohs 5
Goedkenite specimen
Goedkenite Sr₂Al(PO₄)₂(OH)
PhosphateMonoclinicMohs 5
Goethite specimen
Goethite FeO(OH)
Oxides & HydroxideOrthorhombicMohs 5–5.5
Gonnardite specimen
Gonnardite (Na,Ca)₂(Si,Al)₅O₁₀·3H₂O
SilicateTetragonalMohs 5
Gormanite specimen
Gormanite Fe²⁺₃Al₄(PO₄)₄(OH)₆·2H₂O
PhosphateTriclinicMohs 4–5
Goyazite specimen
Goyazite SrAl₃(PO₄)(PO₃OH)(OH)₆
PhosphateHexagonalMohs 4.5–5
Graftonite specimen
Graftonite Fe²⁺Fe²⁺₂(PO₄)₂
PhosphateMonoclinicMohs 5
G
Graftonite-(Ca) CaFe²⁺₂(PO₄)₂
PhosphateMonoclinicMohs 5
G
Graftonite-(Mn) MnFe²⁺₂(PO₄)₂
PhosphateMonoclinicMohs 5
G
Greenwoodite Ba₂₋ₓ(V³⁺OH)ₓV³⁺₉(Fe³⁺,Fe²⁺)₂Si₂O₂₂
SilicateHexagonalMohs 5
G
Grigorievite Cu₃Fe³⁺₂Al₂(VO₄)₆
VanadateTriclinicMohs 5
Grischunite specimen
Grischunite NaCa₂Mn²⁺₅Fe³⁺(AsO₄)₆·2H₂O
ArsenateOrthorhombicMohs 5
Grumantite specimen
Grumantite NaSi₂O₄(OH)·H₂O
SilicateOrthorhombicMohs 4–5
Grunerite specimen
Grunerite Fe²⁺₂Fe²⁺₅Si₈O₂₂(OH)₂
SilicateMonoclinicMohs 5–6
Gudmundite specimen
Gudmundite FeSbS
SulfosaltMonoclinicMohs 5–6
Gugiaite specimen
Gugiaite Ca₂BeSi₂O₇
SilicateTetragonalMohs 5
H
Haggertyite BaFe²⁺₄Fe³⁺₂Ti₅MgO₁₉
Oxides & HydroxideHexagonalMohs 5
H
Hanawaltite Hg¹⁺₆Hg²⁺O₃Cl₂
HalideOrthorhombicMohs 5
Harrisonite specimen
Harrisonite CaFe²⁺₆(SiO₄)₂(PO₄)₂
SilicateHexagonalMohs 5
Hastingsite specimen
Hastingsite NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
SilicateMonoclinicMohs 5–6

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