Hexagonal crystal system
Six-fold symmetry around one axis. Beryl (emerald, aquamarine) forms classic hexagonal prisms.
413 minerals in Crystopedia are recorded as hexagonal.
- Achávalite FeSe
- Agakhanovite-(Y) YCa☐₂KBe₃Si₁₂O₃₀
- Agardite-(Ce) CeCu²⁺₆(AsO₄)₃(OH)₆·3H₂O
- Agardite-(La) LaCu²⁺₆(AsO₄)₃(OH)₆·3H₂O
- Agardite-(Nd) NdCu²⁺₆(AsO₄)₃(OH)₆·3H₂O
- Agardite-(Y) YCu²⁺₆(AsO₄)₃(OH)₆·3H₂O
- Aiolosite Na₂(Na₂Bi)(SO₄)₃Cl
- Akdalaite Al₅O₇(OH)
- Akhtenskite MnO₂
- Alexkhomyakovite K₆(Ca₂Na)(CO₃)₅Cl·6H₂O
- Alforsite Ba₅(PO₄)₃Cl
- Alfredopetrovite Al₂(Se⁴⁺O₃)₃·6H₂O
- Allargentum Ag₁₋ₓSbₓ (x=0.09-0.16)
- Almarudite K(☐,Na)₂(Mn,Fe,Mg)₂[(Be,Al)₃Si₁₂]O₃₀
- Aluminosugilite
- Apatite
- Arisite-(Ce) NaCe₂(CO₃)₂[F₂ₓ(CO₃)₁₋ₓ]F
- Arisite-(La) NaLa₂(CO₃)₂[F₂ₓ(CO₃)₁₋ₓ]F
- Asbolane Mn⁴⁺(O,OH)₂·(Co,Ni,Mg,Ca)ₓ(OH)₂ₓ·nH₂O
- Astrocyanite-(Ce) Cu₂(Ce,Nd,La)₂(UO₂)(CO₃)₅(OH)₂ * 1.5H₂O
- Atheneite Pd₂As₀.₇₅Hg₀.₂₅
- Aurihydrargyrumite Au₆Hg₅
- Avdeevite NaAl₄(Be₅Li)(Si₆O₁₈)₂(H₂O)1-2
- Averievite Cu₆(VO₄)₂O₂Cl₂
- Badengzhuite
- Balliranoite (Na,K)₆Ca₂(Si₆Al₆O₂₄)Cl₂(CO₃)
- Barioferrite BaFe³⁺₁₂O₁₉
- Barkovite Ni₁,₅Sn
- Barlowite Cu₄BrF(OH)₆
- Barringerite (Fe,Ni)₂P
- Bastnäsite-(Ce) Ce(CO₃)F
- Bastnäsite-(La) LaCO₃F
- Bastnäsite-(Nd) Nd(CO₃)F
- Bastnäsite-(Y) Y(CO₃)F
- Batiferrite BaTi₂Fe³⁺₈Fe²⁺₂O₁₉
- Bazirite BaZr(Si₃O₉)
- Bazzite Be₃Sc₂(Si₆O₁₈)
- Belkovite Ba₃(Nb,Ti)₆(Si₂O₇)₂O₁₂
- Bellbergite (K,Ba,Sr)₂Sr₂Ca₂(Ca,Na)₄(Si,Al)₃₆O₇₂·30H₂O
- Benitoite
- Bentorite Ca₆Cr₂(SO₄)₃(OH)₁₂·26H₂O
- Beryl Be₃Al₂Si₆O₁₈
- Betzite Na₆Ca₂(Al₆Si₆O₂₄)Cl₄
- Blatonite (UO₂)CO₃·H₂O
- Bonaccorsiite KK₂Na₃(Al₆Si₃₆)O₈₄
- Bosoite SiO₂·nCₓH₂ₓ₊₂
- Braitschite-(Ce) (Ca,Na₂)₇(Ce,La)₂B₂₂O₄₃·7H₂O
- Breithauptite NiSb
- Brockite (Ca,Th,Ce)PO₄·H₂O
- Bromellite BeO
- Brugnatellite Mg₆Fe³⁺(CO₃)(OH)₁₃·4H₂O
- Burbankite (Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
- Buseckite (Fe,Zn,Mn)S
- Buttgenbachite Cu₁₉(NO₃)₂(OH)₃₂Cl₄·nH₂O
- Cacoxenite Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O
- Cadmium (native)
- Cadmoselite CdSe
- Calcioburbankite Na₃(Ca,Ce,Sr,La)₃(CO₃)₅
- Calciopetersite CaCu₆(PO₄)₂(PO₃OH)(OH)₆·3H₂O
- Calciotantite CaTa₄O₁₁
- Cancrinite (Na,Ca,☐)₈(Al₆Si₆)O₂₄(CO₃,SO₄)₂·2H₂O
- Cancrisilite Na₇(Si₇Al₅)O₂₄(CO₃)·3H₂O
- Carraraite Ca₃(SO₄)[Ge(OH)₆](CO₃) * 12H₂O
- Carrboydite (Ni₁-xAlx)(SO₄)x/₂(OH)₂ * nH₂O
- Catamarcaite Cu₆GeWS₈
- Cesanite Na₃Ca₂(SO₄)₃(OH)
- Cetineite NaK₅Sb₁₄S₆O₁₈·6H₂O
- Chaoite C
- Chihuahuaite FeAl₁₂O₁₉
- Chiluite Bi₃Te⁶⁺Mo⁶⁺O₁₀.₅
- Chiyokoite Ca3Si(CO3)[B(OH)4]O (OH)5·12H2O
- Chlorapatite Ca₅(PO₄)₃Cl
- Chlorellestadite Ca₅(SiO₄)₁.₅(SO₄)₁.₅Cl
- Chlormagaluminite Mg₄Al₂(OH)₁₂Cl₂(H₂O)₂
- Chloromagnesite MgCl₂
- Claringbullite Cu₄ClF(OH)₆
- Connellite Cu₃₆(SO₄)(OH)₆₂Cl₈·6H₂O
- Cordylite-(Ce) (Na,Ca,☐)BaCe₂(CO₃)₄(F,O)
- Cordylite-(La) NaCaBa₂La₃Sr(CO₃)₈F₂
- Covellite CuS
- Crowningshieldite (Ni₀.₉Fe₀.₁₀)S
- Currierite Na₄Ca₃MgAl₄(AsO₃OH)₁₂·9H₂O
- Cuzticite Fe³⁺₂Te⁶⁺O₆·3H₂O
- Davidsmithite (Ca,☐)₂Na₆Al₈Si₈O₃₂
- Davyne (Na,Ca,K)₈(Si,Al)₁₂O₂₄(Cl,SO₄,CO₃)₂₋₃
- Demartinite K₂SiF₆
- Depmeierite Na₈(Al₆Si₆O₂₄)(PO₄,CO₃)₁-x * 3H₂O (x<₀.₅)
- Despujolsite Ca₃Mn⁴⁺(SO₄)₂(OH)₆·3H₂O
- Diaoyudaoite NaAl₁₁O₁₇
- Dmisteinbergite Ca(Al₂Si₂O₈)
- Donwilhelmsite CaAl₄Si₂O₁₁
- Driekopite PtBi
- Dritsite
- Dualite Na₃₀(Ca,Na,Ce,Sr)₁₂(Na,Mn,Fe,Ti)₆Zr₃Ti₃Mn[Si₅₁O₁₄₄](OH,H₂O,Cl)₉
- Ebnerite (NH₄)Zn(PO₄)
- Edgarite FeNb₃S₆
- Ekaterinite Ca₂(B₄O₇)(Cl,OH)₂ * 2H₂O
- Ekatite (Fe³⁺,Fe²⁺,Zn)₁₂(AsO₃)₆(AsO₃,HSiO₄)₂(OH)₆
- Emerald
- Engelhauptite KCu₃(V₂O₇)(OH)₂Cl
- Erionite-Ca Ca₅[Si₂₆Al₁₀O₇₂]·30H₂O
- Erionite-K K₁₀[Al₂₆Si₁₀O₇₂]·30H₂O
- Erionite-Na Na₁₀[Al₂₆Si₁₀O₇₂]·30H₂O
- Ermakovite (NH₄)(As₂O₃)₂Br
- Ewaldite Ba(Na,Ca,Y,Ce,K)(CO₃)₂·2.6H₂O
- Faheyite Be₂Mn²⁺Fe³⁺₂(PO₄)₄·6H₂O
- Fairchildite K₂Ca(CO₃)₂
- Farneseite (Na,Ca,K)₅₆(Al₆Si₆O₂₄)₇(SO₄)₁₂·6H₂O
- Fejerite
- Feroxyhyte Fe³⁺O(OH)
- Ferrohögbomite-2N2S [(Fe²⁺,Mg,Zn,Al)₃(Al,Ti,Fe³⁺)₈O₁₅(OH)]₂
- Ferroindialite (Fe²⁺,Mg)₂Al₄Si₅O₁₈
- Ferrotaaffeite-2N'2S (Fe²⁺,Mg,Zn)₃Al₈BeO₁₆
- Flamite (Ca,Na,K)₂(Si,P)O₄
- Fleischerite Pb₃Ge(SO₄)₂(OH)₆·3H₂O
- Fluoborite Mg₃(BO₃)(F,OH)₃
- Fluocerite-(Ce) CeF₃
- Fluoralforsite Ba₅(PO₄)₃F
- Fluorapatite Ca₅(PO₄)₃F
- Fluorbritholite-(La) Ca₂La₃(SiO₄)₃F
- Fluorbritholite-(Nd) Ca₂Nd₃(SiO₄)₃F
- Fluorbritholite-(Y) (Y,Ca)₅(SiO₄)₃F
- Fluorcalciobritholite (Ca,REE)₅(SiO₄,PO₄)₃F
- Fluorphosphohedyphane Ca₂Pb₃(PO₄)₃F
- Fluorpyromorphite Pb₅(PO₄)₃F
- Fluorsigaiite Ca₂Sr₃(PO₄)₃F
- Franciscanite Mn²⁺₆(V₅+,☐)₂(SiO₄)₂(O,OH)₆
- Freboldite CoSe
- Friedrichbeckeite K(☐Na)Mg₂(Be₂Mg)Si₁₂O₃₀
- Friisite Pb₈Al₃Si₈O₂₇Cl₃
- Gagarinite-(Y) NaCaYF₆
- Gajardoite KCa₀.₅As³⁺₄O₆Cl₂(H₂O)₃·2H₂O
- Gajardoite-(NH₄) (NH₄)As³⁺₄O₆Cl₂(Ca₀,₅◻₀,₅)(H₂O)₅
- Ganomalite Pb₉Ca₅Mn(Si₂O₇)₄(SiO₄)O
- Garutiite (Ni,Fe,Ir)
- Gaudefroyite
- Gengenbachite KFe₃(H₂PO₄)₂(HPO₄)₄·6H₂O
- Genplesite Ca₃Sn(SO₄)₂(OH)₆·3H₂O
- Glaucocerinite (Zn₁-xAlx)(OH)₂(SO₄)x/₂ * nH₂O
- Gmelinite-Ca Ca₂(Si₈Al₄)O₂₄·11H₂O
- Gmelinite-K K₄(Si₈Al₄)O₂₄·11H₂O
- Gmelinite-Na Na₄(Si₈Al₄)O₂₄·11H₂O
- Gorerite
- Goudeyite
- Graphite C
- Grayite (Th,Pb,Ca)(PO₄)·H₂O
- Greenockite CdS
- Gregoryite Na₂(CO₃)
- Grimselite K₃Na(UO₂)(CO₃)₃·H₂O
- Grootfonteinite Pb₃O(CO₃)₂
- Guarinoite Zn₆(SO₄)(OH)₁₀·5H₂O
- Guidottiite MnFe³⁺₂(SiFe³⁺)O₅(OH)₄
- Haapalaite (Fe²⁺,Ni)₂(Mg,Fe²⁺)₁.₆₁S₂(OH)₃.₂₂
- Halamishite Ni₅P₄
- Hanahanite
- Hanksite KNa₂₂(SO₄)₉(CO₃)₂Cl
- Hauckite Fe³⁺₃(Mg,Mn²⁺)₂₄Zn₁₈(SO₄)₄(CO₃)₂(OH)₈₁
- Hedyphane Ca₂Pb₃(AsO₄)₃Cl
- Heterogenite Co³⁺O(OH)
- Hexacelsian BaAl₂Si₂O₈
- Hexaferrum (Fe,Os,Ru,Ir)
- Hexamolybdenum (Mo,Ru,Fe,Ir,Os)
- Hexathioplumbite
- Hielscherite Ca₆Si₂[(SO₄)₂(SO₃)₂(OH)₁₂]·22H₂O
- Hydrohonessite (Ni₁-xFe³⁺x)(OH)₂(SO₄)x/₂ * nH₂O
- Hydroxycancrinite (Na,Ca,K)₈(AlSi)₆O₂₄(OH,CO₃)₂·2H₂O
- Hydroxylapatite Ca₅(PO₄)₃(OH)
- Hydroxylbastnäsite-(Ce) Ce(CO₃)(OH)
- Hydroxylbastnäsite-(La) La(CO₃)(OH)
- Hydroxylbastnäsite-(Nd) Nd(CO₃)(OH)
- Hydroxylborite Mg₃(BO₃)(OH)₃
- Hydroxylpyromorphite Pb₅(PO₄)₃(OH)
- Hypercinnabar HgS
- Ice H₂O
- Ilímaussite-(Ce)
- Ilirneyite Mg₀.₅ZnMn³⁺(Te₄+O₃)₃·4.5H₂O
- Iltisite HgAgSCl
- Imayoshiite Ca₃Al(CO₃)[B(OH)₄](OH)₆·12H₂O
- Indialite Mg₂Al₃(AlSi₅O₁₈)
- Iodargyrite AgI
- Iowaite Mg₆Fe³⁺₂(OH)₁₆Cl₂·4H₂O
- Iquiqueite K₃Na₄Mg(CrO₄)B₂₄O₃₉(OH)·12H₂O
- Irtyshite Na₂(Ta,Nb)₄O₁₁
- Iseite Mn₂Mo₃O₈
- Jagoite Pb₁₈Fe³⁺₄[Si₄(Si,Fe³⁺)₆][Pb₄Si₁₆(Si,Fe)₄]O₈₂Cl₆
- Jaipurite CoS
- Jamborite Ni(OH,S,O)₂·nH₂O
- Jarosite KFe³⁺₃(SO₄)₂(OH)₆
- Jedwabite Fe₇Ta₃
- Jeremejevite Al₆(BO₃)₅F₃
- Ježekite Na₈[(UO₂)(CO₃)₃](SO₄)₂·3H₂O
- Jingsuiite TiB₂
- Johnbaumite Ca₅(AsO₄)₃OH
- Johnkoivulaite-(Cs)
- Jouravskite Ca₃Mn₄+(SO₄)(CO₃)(OH)₆·12H₂O
- Kahlenbergite KAl₁₁O₁₇
- Kaliophilite KAlSiO₄
- Kalsilite KAlSiO₄
- Kambaldaite NaNi₄(CO₃)₃(OH)₃ * 3H₂O
- Kamiokite Fe₂Mo₃O₈
- Khanneshite (Na,Ca)₃(Ba,Sr,Ce,Ca)₃(CO₃)₅
- Kidodite BaMg₂Fe₁₆O₂₇
- Kleinite (Hg₂N)(Cl,SO₄)·nH₂O
- Klöchite (Fe²⁺Fe³⁺)☐₂KZn₃(Si₁₂O₃₀)
- Klockmannite CuSe
- Kokchetavite K(AlSi₃O₈)
- Kopylovite K₂Ti(Si₃O₉)
- Kottenheimite Ca₃Si(SO₄)₂(OH)₆·12H₂O
- Koutekite Cu₅As₂
- Krasheninnikovite KNa₂CaMg(SO₄)₃F
- Kufahrite PtPb
- Kyanoxalite Na₇(Al₅-₆Si₆-₇O₂₄)(C₂O₄)₀.₅-₁.₀·5H₂O
- Langisite (Co,Ni)As
- Laurelite Pb₇F₁₂Cl₂
- Laurentthomasite
- Lecoqite-(Y) Na₃Y(CO₃)₃·6H₂O
- Liottite (Na,K)₁₆Ca₈(Al₆Si₆O₂₄)₃(SO₄)₅Cl₄
- Lishiite (Ca₂◻)Sr₃(CO₃)₅
- Lonsdaleite C
- Lourenswalsite (K,Ba)₂(Ti,Mg,Ca,Fe)₄(Si,Al,Fe)₆O₁₄(OH)₁₂
- Loveringite (Ca,Ce,La)(Zr,Fe)(Mg,Fe)₂(Ti,Fe,Cr,Al)₁₈O₃₈
- Luanheite Ag₃Hg
- Lucabindiite K(As₂O₃)₂Cl
- Lukechangite-(Ce) Na₃Ce₂(CO₃)₄F
- Magnesiohögbomite-2N2S
- Magnesiohögbomite-2N4S [(Mg₈.₄₃Fe²⁺₁.₅₇)Σ=₁₀Al₂₂Ti⁴⁺₂O₄₆(OH)₂]
- Magnesiohongruiite-(Fe³⁺) (Mg₂Fe³⁺)Fe³⁺NbO₇(OH)
- Magnesiotaaffeite-2N'2S Mg₃BeAl₈O₁₆
- Majakite PdNiAs
- Majindeite Mg₂Mo₃O₈
- Malinkoite NaBSiO₄
- Mallestigite Pb₃Sb₅+(SO₄)(AsO₄)(OH)₆ * 3H₂O
- Mathewrogersite Pb₇FeAl₃GeSi₁₂O₃₆(OH,H₂O)₆
- Mauriziodiniite (NH₄)(As₂O₃)₂I
- Maurogemmiite Ti₁₀Fe₃O₃
- Mavlyanovite Mn₅Si₃
- Mazzite-Mg Mg₅(Si₂₆Al₁₀)O₇₂·30H₂O
- Mazzite-Na Na₈(Si₂₈Al₈)O₇₂·30H₂O
- Megakalsilite KAlSiO₄
- Menshikovite Pd₃Ni₂As₃
- Merrihueite (K,Na)₂(Fe²⁺,Mg)₅[Si₁₂O₃₀]
- Metathénardite
- Micheelsenite (Ca,Y)₃Al(HPO₄,CO₃)(CO₃)(OH)₆ * 12H₂O
- Microsommite Na₄K₂Ca₂(SO₄)(Si₆Al₆O₂₄)Cl₂
- Milarite KCa₂(Be₂AlSi₁₂O₃₀)·nH₂O
- Mimetite Pb₅(AsO₄)₃Cl
- Mineevite-(Y) Na₂₅Ba(Y,Gd,Dy)₂(CO₃)₁₁(HCO₃)₄(SO₄)₂F₂Cl
- Minjiangite Ba[Be₂P₂O₈]
- Minohlite (Cu,Zn)₇(SO₄)₂(OH)₁₀·8H₂O
- Mixite BiCu₆(AsO₄)₃(OH)₆ * 3H₂O
- Miyahisaite (Sr,Ca)₂Ba₃(PO₄)₃F
- Mizraite-(Ce)
- Moissanite SiC
- Molybdenite MoS₂
- Molysite FeCl₃
- Monipite MoNiP
- Morelandite Ca₂Ba₃(AsO₄)₃Cl
- Morningstarite
- Nagelschmidtite Ca₇(SiO₄)₂(PO₄)₂
- Nasonite Pb₆Ca₄(Si₂O₇)₃Cl₂
- Native zinc Zn
- Nepheline Na₃K(Al₄Si₄O₁₆)
- Nickeline NiAs
- Niggliite PtSn
- Nolanite V³⁺₈Fe³⁺₂O₁₄(OH)₂
- Northstarite
- Offretite KCaMg(Si₁₃Al₅)O₃₆·15H₂O
- Oftedalite KSc₂☐₂Be₃Si₁₂O₃₀
- Orcelite Ni₅-xAs₂, x ~ ₀.₂₅
- Oregonite Ni₂FeAs₂
- Orickite ₂CuFeS₂ * H₂O
- Orlymanite Ca₄Mn²⁺₃Si₈O₂₀(OH)₆·2H₂O
- Osmium (native) Os
- Osumilite (K,Na)(Fe²⁺,Mg)₂(Al,Fe³⁺)₃(Si,Al)₁₂O₃₀
- Osumilite-(Mg) KMg₂Al₃(Al₂Si₁₀)O₃₀
- Ottensite Na₃(Sb₂O₃)₃(SbS₃)·3H₂O
- Pabstite BaSnSi₃O₉
- Painite CaZrAl₉(BO₃)O₁₅
- Palarstanide Pd₅(Sn,As)₂
- Palladogermanide Pd₂Ge
- Palladosilicide Pd₂Si
- Penfieldite Pb₂Cl₃(OH)
- Penzhinite (Ag,Cu)₄Au(S,Se)₄
- Peprossiite-(Ce) (Ce,La)(Al₃O)₂/₃B₄O₁₀
- Perlialite K₉NaCa(Si₂₄Al₁₂)O₇₂·15H₂O
- Petersite-(Ce) Cu₆Ce(PO₄)₃(OH)₆·3H₂O
- Petersite-(Y) (Y,Ce,Nd)Cu₆(PO₄)₃(OH)₆ * 3H₂O
- Pfaffenbergite KNa₃(Al₄Si₁₂)O₃₂
- Pharmazincite KZn(AsO₄)
- Phosphoellenbergerite (Mg,☐)₂Mg₁₂(PO₄,PO₃OH)₆(PO₃OH,CO₃)₂(OH)₆
- Phosphohedyphane Ca₂Pb₃(PO₄)₃Cl
- Phyllotungstite
- Pieczkaite Mn₅(PO₄)₃Cl
- Pitiglianoite Na₆K₂(Al₆Si₆O₂₄)(SO₄)·2H₂O
- Pittongite (Na,H₂O)₀.₇(W,Fe³⁺)(O,OH)₃
- Plechovite Ca₂[K(H₂O)]KBe₃Si₁₂O₃₀
- Pliniusite Ca₅(VO₄)₃F
- Plumboagardite (Pb,REE,Ca)Cu₆(AsO₄)₃(OH)₆·3H₂O
- Plumbopalladinite Pd3Pb2
- Polekhovskyite MoNiP₂
- Polezhaevaite-(Ce) NaSrCeF₆
- Polkanovite Rh₁₂As₇
- Poudretteite KNa₂B₃Si₁₂O₃₀
- Pseudomertieite Pd₁₁(Sb,As)₄
- Pseudorutile Fe₂Ti₃O₉
- Pyromorphite Pb₅(PO₄)₃Cl
- Pyrrhotite Fe₇S₈
- Quadridavyne [(Na,K)₆Cl₂][Ca₂Cl₂][(Si₆Al₆O₂₄)]
- Quintinite Mg₄Al₂(OH)₁₂(CO₃)·3H₂O
- Qusongite WC
- Rambergite MnS
- Reederite-(Y) (Na,Mn)₁₅Y₂(CO₃)₉(FSO₃)Cl
- Rhabdoborite-(Mo)
- Rhabdoborite-(V) Mg₁₂(V₅+,Mo₆+,W₆+)₁ * 5O₆{[BO₃]₆-x[(P,As)O₄]xF₂-x} (x < ₁)
- Rhabdoborite-(W) Mg₁₂(W₆+,V₅+)₁ * 5O₆{[BO₃]₆–x[(P,As)O₄]xF₂–x} (x < ₁)
- Rhabdophane-(La) La(PO₄)·H₂O
- Rhabdophane-(Nd) NdPO₄·H₂O
- Rhabdophane-(Y) Y(PO₄)·H₂O
- Rhenium (native) Re
- Rinmanite ZnSb⁵⁺(Fe³⁺₂Mg)O₇(OH)
- Roedderite KNaMg₂(Mg₃Si₁₂)O₃₀
- Rogermitchellite Na₆Sr₁₂Ba₂Zr₁₃Si₃₉B₄O₁₂₃(OH)₆·20H₂O
- Rudolfhermannite
- Russoite (NH₄)ClAs₂O₃(H₂O)₀.₅
- Rutheniridosmine (Ir,Os,Ru)
- Ruthenium (native) Ru
- Sacrofanite (Na₆₁K₁₉Ca₃₂)(Si₈₄Al₈₄O₃₃₆)(SO₄)₂₆Cl₂F₆*₂H₂O
- Sanrománite Na₂CaPb₃(CO₃)₅
- Santanaite Pb₁₁(CrO₄)O₁₂
- Scarbroite Al₅(CO₃)(OH)₁₃·5H₂O
- Schachnerite Ag₁.₁Hg₀.₉
- Schaurteite Ca₃Ge(SO₄)₂(OH)₆ * 4H₂O
- Sederholmite NiSe
- Shagamite KFe₁₁O₁₇
- Siderazot Fe₅N₂
- Sobolevskite Pd(Bi,Te)
- Sogdianite KZr₂(Li₃Si₁₂)O₃₀
- Sorosite Cu₁+x(Sn,Sb)
- Stannopalladinite Pd₃Sn₂
- Steudelite
- Stibiopalladinite Pd₅Sb₂
- Stoppaniite Be₃Fe³⁺₂(Si₆O₁₈) * H₂O
- Strandite Pb₃Mn³⁺₄Mn⁴⁺₃O₁₅
- Stronadelphite Sr₅(PO₄)₃F
- Stumpflite PtSb
- Stützite
- Sudburyite PdSb
- Sugilite K(Na,☐)₂Li₃(Fe,Mn,Al,Zr)₂[Si₁₂O₃₀]
- Svabite Ca₅(AsO₄)₃F
- Swedenborgite NaBe₄Sb⁵⁺O₇
- Synchysite-(Y) CaY(CO₃)₂F
- Szymańskiite
- Talc
- Tatarinovite Ca₃Al(SO₄)[B(OH)₄](OH)₆·12H₂O
- Thaumasite Ca₃Si(OH)₆(SO₄)(CO₃)·12H₂O
- Thérèsemagnanite
- Thorbastnäsite ThCa(CO₃)₂F₂·3H₂O
- Tienshanite KNa₃Na₆Ca₂Ba₆Mn₆(Ti₄+,Nb)₆B₁₂Si₃₆O₁₁₄(O,OH,F)₁₁
- Tiptopite K₂(Li,Na,Ca)₆(Be₆P₆)O₂₄(OH)₂·1.3H₂O
- Titanium (native) Ti
- Tomiolloite
- Tounkite (Na,Ca,K)₈(Al₆Si₆O₂₄)(SO₄)₂Cl·0.5H₂O
- Tranquillityite (Fe²⁺,Ca)₈(Zr,Y)₂Ti₃(SiO₄)₃O₁₂
- Transjordanite Ni₂P
- Traskite Ba₂₁Ca(Fe²⁺,Mn,Ti)₄(Ti,Fe,Mg)₁₂(Si₁₂O₃₆)(Si₂O₇)₆(O,OH)₃₀Cl₆·14H₂O
- Trikalsilite K₂NaAl₃(SiO₄)₃
- Trinepheline NaAlSiO₄
- Tristramite (Ca,U,Fe)(PO₄,SO₄)·2H₂O
- Troilite FeS
- Tsangpoite Ca₅(PO₄)₂(SiO₄)
- Tungstenite WS₂
- Turneaureite Ca₅(AsO₄)₃Cl
- Vanadinite Pb₅(VO₄)₃Cl
- Vaterite Ca(CO₃)
- Vavřínite Ni₂SbTe₂
- Vernadite (Mn₄+,Fe³⁺,Ca,Na)(O,OH)₂ * nH₂O
- Vishnevite Na₈(Al₆Si₆)O₂₄(SO₄)·2H₂O
- Vozhminite (Ni,Co)₄(As,Sb)S₂
- Wadeite K₂Zr(Si₃O₉)
- Wallkilldellite Ca₂Mn²⁺₃(AsO₄)₂(OH)₄ * 9H₂O
- Wallkilldellite-(Fe) (Ca,Cu)₄Fe²⁺₆(AsO₄,SiO₄)₄(OH,O)₈ * 18H₂O
- Wardsmithite Ca₅Mg[B₄O₇]₆ * 3₀H₂O
- Wayneburnhamite Pb₉Ca₆(Si₂O₇)₃(SiO₄)₃
- Weishanite (Au,Ag,Hg)
- Weissite Cu₂₋ₓTe
- Wenjiite Ti10SixPy
- Wenkite Ba₄Ca₆(Si,Al)₂₀O₄₁(OH)₂(SO₄)₃(H₂O)
- Whitecapsite H₁₆Fe²⁺₅Fe³⁺₁₄Sb³⁺₆(AsO₄)₁₈O₁₆·120H₂O
- Wodegongjieite
- Woodwardite (Cu₁-ₓAlₓ)(SO₄)ₓ/₂(OH)₂ · nH₂O (x < 0.5, n < 3x/2)
- Wortupaite MgNi(Te⁴⁺O₃)₃·3H₂O
- Wumuite KAl₀.₃₃W₂.₆₇O₉
- Wurtzite ZnS
- Xifengite Fe₅Si₃
- Yagiite NaMg₂(AlMg₂Si₁₂)O₃₀
- Yarlongite (Cr₄Fe₄Ni)C₄
- Yellowcatite KNaFe³⁺₂(Se⁴⁺O₃)₂(V⁵⁺₂O₇)·7H₂O
- Yimengite K(Cr,Ti,Fe,Mg)₁₂O₁₉
- Yuanjiangite AuSn
- Yushkinite (Mg,Al)(OH)₂VS₂
- Zaccagnaite Zn₄Al₂(OH)₁₂[CO₃] * 3H₂O
- Zagamiite CaAl₂Si₃.₅O₁₁
- Zálesíite CaCu₆(AsO₄)₂(AsO₃OH)(OH)₆·3H₂O
- Zemannite Mg₀.₅ZnFe³⁺(Te⁴⁺O₃)₃·4.5H₂O
- Zemkorite Na₂Ca(CO₃)₂
- Zenzénite
- Zincite ZnO
- Zincohögbomite-2N2S
- Zincohögbomite-2N6S (Zn,Al)₇(Al,Fe³⁺,Ti,Mg)₁₆O₃₁(OH)
- Zincorinmanite-(Zn) ZnSb⁵⁺(Fe³⁺₂Zn)O₇(OH)
- Zinkenite Pb₉Sb₂₂S₄₂
- Zirklerite (Fe,Mg)₉Al₄Cl₁₈(OH)₁₂·14H₂O (?)
- Zoyashlyukovaite MoC