Cabalzarite

Cabalzarit

Ca(Mg, Al, Fe)₂(AsO₄)₂(H₂O, OH)₂

monoclinic

Cabriite

Cabriit

Pd₂SnCu

orthorhombic

Cacoxenite

Kakoxén

Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂ •nH₂O (n » 75)

hexagonal

Cadmium

Kadmium

Cd

hexagonal

Cadmoindite

Kadmoindit

CdIn₂S₄

cubic

Cadmoselite

Kadmoszelit

CdSe

hexagonal

Cadwaladerite

Cadwaladerit

Al(OH)₂Cl • 4H₂O

amorphous

Cafarsite

Kafarzit

Ca₈(Ti, Fe²⁺, Fe³⁺, Mn)_6-7(As³⁺O₃)₁₂ • 4H₂O

cubic

Cafetite

Kafetit

Ca(Fe³⁺, Al)₂Ti₄O₁₂ • 4H₂O

monoclinic

Cahnite

Cahnit

Ca₂B(AsO₄)(OH)₄

tetragonal

Calaverite

Calaverit

AuTe₂

monoclinic

Calcio-ancylite-(Ce)

Kalcioancilit-(Ce)

(Ca, Sr)Ce₃(CO₃)₄(OH)₃ • H₂O

monoclinic

Calcio-ancylite-(Nd)

Kalcioancilit-(Nd)

Ca(Nd, Ce, Gd, Y)₃(CO₃)₄(OH)₃ • H₂O

monoclinic

Calcioandyrobertsite

Kalcioandyrobertsit

KCaCu₅(AsO₄)₄[As(OH)₂O₂](H₂O)₂

monoclinic

Calcioaravaipaite

Kalcioaravaipait

PbCa₂Al(F, OH)₉

monoclinic

Calciobetafite

Kalciobetafit

Ca₂(Nb, Ti)₂(O, OH)₇

cubic

Calcioborite

Kalcioborit

CaB₂O₄

orthorhombic

Calcioburbankite

Kalcioburbankit

Na₃(Ca, REE, Sr)₃(CO₃)₅

hexagonal

Calciocopiapite

Kalciocopiapit

CaFe³⁺₄(SO₄)₆(OH)₂ • 19H₂O

triclinic

Calcioferrite

Kalcioferrit

Ca₄Mg(Fe³⁺, Al)₄(PO₄)₆(OH)₄ • 13H₂O

monoclinic

Calciohilairite

Kalciohilairit

CaZrSi₃O₉ • 3H₂O

trigonal

Calciopetersite

Kalciopetersit

CaCu₆(PO₄)₂(PO₃OH)(OH)₆ • 3H₂O

hexagonal

Calciotantite

Kalciotantit

CaTa₄O₁₁

hexagonal

Calciouranoite

Kalciouranoit

(Ca, Ba, Pb)U₂O₇ • 5H₂O

?

Calciovolborthite

Kalciovolborthit

CaCu(VO₄)(OH)

orthorhombic

Calcite

Kalcit

CaCO₃

trigonal

Calcium catapleiite

Kalciumkataplejit

CaZrSi₃O₉ • 2H₂O

hexagonal (?)

Calcjarlite

Kalcjarlit

Na(Ca, Sr)₃Al₃(F, OH)₁₆

monoclinic (?)

Calclacite

Kalklacit

CaCl₂ • Ca(C₂H₃O₂)₂ • 10H₂O

monoclinic or triclinic

Calcurmolite

Kalcurmolit

Ca(UO₂)₃(MoO₄)₃(OH)₂ • 11H₂O

?

Calderite

Calderit

(Mn²⁺, Ca)₃(Fe³⁺, Al)₂(SiO₄)₃

cubic

Calderonite

Calderonit

Pb₂Fe³⁺(VO₄)₂(OH)

monoclinic

Caledonite

Kaledonit

Pb₅Cu₂(CO₃)(SO₄)₃(OH)₆

orthorhombic

Calkinsite-(Ce)

Calkinsit-(Ce)

(Ce, La)₂(CO₃)₃ • 4H₂O

orthorhombic

Callaghanite

Callaghanit

Cu₂Mg₂(CO₃)(OH)₆ • 2H₂O

monoclinic

Calomel

Kalomel

HgCl

tetragonal

Calumetite

Calumetit

Cu(OH, Cl)₂ • 2H₂O

orthorhombic

Calzirtite

Kalcirtit

Ca₂Zr₅Ti₂O₁₆

tetragonal

Camerolaite

Camerolait

Cu²⁺₄Al₂(HSbO₄, SO₄)(CO₃)(OH)₁₀ • 2H₂O

monoclinic

Cameronite

Cameronit

AgCu₇Te₁₀

tetragonal

Camgasite

Kamgazit

CaMg(AsO₄)(OH) • 5H₂O

monoclinic

Caminite

Kaminit

Mg₇(SO₄)₅(OH)₄ • H₂O

tetragonal

Campigliaite

Campigliait

Cu²⁺₄Mn²⁺(SO₄)₂(OH)₆ • 4H₂O

monoclinic

Canaphite

Kanafit

CaNa₂(P₂O₇) • 4H₂O

monoclinic

Canasite

Kanaszit

Na₃K₃Ca₅Si₁₂O₃₀(OH, F)₄

monoclinic

Canavesite

Canavesit

Mg₂(CO₃)(HBO₃) • 5H₂O

monoclinic

Cancrinite

Kankrinit

Na₆Ca₂Al₆Si₆O₂₄(CO₃)₂

hexagonal

Cancrisilite

Kankriszilit

Na₇Al₅Si₇O₂₄(CO₃) • 3H₂O

hexagonal

Canfieldite

Canfieldit

Ag₈SnS₆

orthorhombic

Cannizzarite

Cannizzarit

Pb₄Bi₆S₁₃ (?)

monoclinic

Cannonite

Cannonit

Bi₂O(OH)₂(SO₄)

monoclinic

Caoxite

Caoxit

Ca(C₂O₄) • 3H₂O

triclinic

Capgaronnite

Capgaronnit

HgS • Ag(Cl, Br, I)

orthorhombic

Cappelenite-(Y)

Cappelenit-(Y)

Ba(Y, Ce)₆Si₃B₆O₂₄F₂

trigonal

Caracolite

Caracolit

Na₃Pb₂(SO₄)₃Cl

monoclinic

Carboborite

Karboborit

Ca₂Mg(CO₃)₂B₂(OH)₈ • 4H₂O

monoclinic

Carbocernaite

Karbocernait

(Ca, Na)(Sr, Ce, Ba)(CO₃)₂

orthorhombic

Carboirite

Carboirit

Fe²⁺Al₂GeO₅(OH)₂

triclinic

Carbokentbrooksite

Karbokentbrooksit

(Na, o)₁₂(Na, Ce)₃Ca₆Mn₃Zr₃NbSi₂₅O₇₃(OH)₃(CO₃) • H₂O

trigonal

Carbonate-cyanotrichite

Karbonátcianotrichit

Cu²⁺₄Al₂(CO₃, SO₄)(OH)₁₂ • 2H₂O

orthorhombic

Carbonate-fluorapatite

Karbonátfluorapatit

Ca₅(PO₄, CO₃)₃F

hexagonal

Carbonate-hydroxylapatite

Karbonáthidroxilapatit

Ca₅(PO₄, CO₃)₃(OH)

hexagonal

Caresite

Caresit

Fe₄Al₂(OH)₁₂CO₃ • 3H₂O

trigonal

Carletonite

Carletonit

KNa₄Ca₄Si₈O₁₈(CO₃)₄(OH, F) • H₂O

tetragonal

Carlfriesite

Carlfriesit

CaTe⁴⁺₂Te⁶⁺O₈

monoclinic

Carlhintzeite

Carlhintzeit

Ca₂AlF₇ • H₂O

triclinic

Carlinite

Carlinit

Tl₂S

trigonal

Carlosruizite

Carlosruizit

K₆(Na, K)₄Na₆Mg₁₀(Se⁶⁺O₄)₁₂(IO₃)₁₂ • 12H₂O

trigonal

Carlosturanite

Carlosturanit

(Mg, Fe²⁺, Ti)₂₁(Si, Al)₁₂O₂₈(OH)₃₄

monoclinic

Carlsbergite

Carlsbergit

CrN

cubic

Carmichaelite

Carmichaelit

(Ti, Cr, Fe, Mg, Al)O_2-x(OH)_x

monoclinic

Carminite

Karminit

PbFe³⁺₂(AsO₄)₂(OH)₂

orthorhombic

Carnallite

Carnallit

KMgCl₃ • 6H₂O

orthorhombic

Carnotite

Carnotit

K₂(UO₂)₂(V₂O₈) • 1-3H₂O

monoclinic

Carobbiite

Carobbiit

KF

cubic

Carpholite

Karfolit

Mn²⁺Al₂Si₂O₆(OH)₄

orthorhombic

Carraraite

Carrarait

Ca₃Ge(OH)₆(SO₄)(CO₃) • 12H₂O

hexagonal

Carrboydite

Carrboydit

(Ni, Cu)₁₄Al₉(SO₄, CO₃)₆(OH)₄₃ • 7H₂O

hexagonal

Carrollite

Carrollit

Cu(Co, Ni)₂S₄

cubic

Caryinite

Kariinit

(Na, Pb)(Ca, Na)(Ca, Mn²⁺)(Mn²⁺, Mg)₂(AsO₄)₃

monoclinic

Caryopilite

Kariopilit

(Mn²⁺, Mg)₃Si₂O₅(OH)₄

monoclinic (?)

Cascandite

Kaszkandit

Ca(Sc, Fe²⁺)Si₃O₈(OH)

triclinic

Cassedanneite

Cassedanneit

Pb₅(VO₄)₂(CrO₄)₂ • H₂O

monoclinic

Cassidyite

Cassidyit

Ca₂(Ni, Mg)(PO₄)₂ • 2H₂O

triclinic

Cassiterite

Kassziterit

SnO₂

tetragonal

Caswellsilverite

Caswellsilverit

NaCrS₂

trigonal

Catapleiite

Kataplejit

Na₂ZrSi₃O₉ • 2H₂O

monoclinic

Cattierite

Cattierit

CoS₂

cubic

Cattiite

Cattiit

Mg₃(PO₄)₂ • 22H₂O

triclinic

Cavansite

Kavanszit

Ca(V⁴⁺O)Si₄O₁₀ • 4H₂O

orthorhombic

Cavoite

Kavoit

CaV₃O₇

orthorhombic

Caysichite-(Y)

Kaiszikhit-(Y)

Ca₃(Yb, Er)Y₄Si₈O₂₀(CO₃)₆(OH) • 7H₂O

orthorhombic

Cebaite-(Ce)

Cebait-(Ce)

Ba₃Ce₂(CO₃)₅F₂

monoclinic

Cebollite

Cebollit

Ca₅Al₂Si₃O₁₂(OH)₄

orthorhombic (?)

Čechite

Čechit

Pb(Fe²⁺, Mn)(VO₄)(OH)

orthorhombic

Cejkaite

Cejkait

Na₄(UO₂)(CO₃)₃

triclinic

Celadonite

Szeladonit

K(Mg, Fe²⁺)(Fe³⁺, Al)Si₄O₁₀(OH)₂

monoclinic

Celestine

Cölesztin

SrSO₄

orthorhombic

Celsian

Celzián

BaAl₂Si₂O₈

monoclinic

Cerchiaraite

Cerchiarait

Ba₄Mn₄Si₆(O, OH, Cl)₂₆

tetragonal

Cerianite-(Ce)

Cerianit-(Ce)

(Ce⁴⁺, Th)O₂

cubic

Ceriopyrochlore-(Ce)

Ceriopiroklor-(Ce)

(Ce, Ca, Y)₂(Nb, Ta)₂O₆(OH, F)

cubic

Cerite-(Ce)

Cerit-(Ce)

(Ce, La, Ca)₉(Mg, Fe³⁺)(SiO₄)₆(SiO₃OH)(OH)₃

trigonal

Cerite-(La)

Cerit-(La)

(La, Ce, Ca)₉(Fe, Ca, Mg)(SiO₄)₃[SiO₃(OH)]₄(OH)₃

trigonal

Černýite

Černýit

Cu₂CdSnS₄

tetragonal

Cerotungstite-(Ce)

Cerotungsztit-(Ce)

CeW₂O₆(OH)₃

monoclinic

Ceruleite

Ceruleit

Cu₂Al₇(AsO₄)₄(OH)₁₃ • 11.5H₂O

triclinic

Cerussite

Cerusszit

PbCO₃

orthorhombic

Cervadonite-(Ce)

Cervadonit-(Ce)

(Ce, Nd, La)(Fe³⁺, Ti, Fe²⁺, Al)₃(Si, As)₃O₁₃

monoclinic

Cervantite

Cervantit

Sb³⁺Sb⁵⁺O₄

orthorhombic

Cervelleite

Cervelleit

Ag₄TeS

cubic

Cesanite

Cesanit

Na₃Ca₂(SO₄)₃(OH)

hexagonal

Cesàrolite

Cesàrolit

PbMn⁴⁺₃O₆(OH)₂

trigonal

Cesbronite

Cesbronit

Cu²⁺₅(Te⁴⁺O₃)₂(OH)₆ • 2H₂O

orthorhombic

Cesium-kupletskite

Céziumkupletszkit

(Cs, K, Na)₃(Mn²⁺, Fe²⁺)₇(Ti, Nb)₂Si₈O₂₄(O, OH, F)₇

triclinic

Cesplumtantite

Cezplumtantit

(Cs, Na)₂(Pb, Sb³⁺)₃Ta₈O₂₄

tetragonal

Cesstibtantite

Cezsztibtantit

Cs(Sb³⁺, Na)Ta₂(O, OH, F)₇

cubic

Cetineite

Cetineit

(K, Na)_3+x(Sb₂O₃)₃(SbS₃)(OH)_x • 2.4H₂O (x » 0.5)

hexagonal

Chabazite-Ca

Kabazit-Ca

(Ca_0.5, Na, K)₄Al₄Si₈O₂₄ • 12H₂O

triclinic, trigonal

Chabazite-K

Kabazit-K

(K, Ca_0.5, Na)₄Al₄Si₈O₂₄ • 12H₂O

triclinic, trigonal

Chabazite-Na

Kabazit-Na

(Na, Ca_0.5, K)₄Al₄Si₈O₂₄ • 12H₂O

triclinic, trigonal

Chabazite-Sr

Kabazit-Sr

(Sr, Ca)₂Al₄Si₈O₂₄ • 12H₂O

trigonal

Chabournéite

Chabournéit

(Tl, Pb)₂₁(Sb, As)₉₁S₁₄₇

triclinic

Chaidamuite

Chaidamuit

(Zn, Fe²⁺)Fe³⁺(SO₄)₂(OH) • 4H₂O

triclinic

Chalcanthite

Kalkantit

CuSO₄ • 5H₂O

triclinic

Chalcoalumite

Kalkoalumit

CuAl₄(SO₄)(OH)₁₂ • 3H₂O

monoclinic

Chalcocite

Kalkozin

Cu₂S

monoclinic

Chalcocyanite

Kalkocianit

Cu²⁺SO₄

orthorhombic

Chalcomenite

Kalkomenit

Cu²⁺Se⁴⁺O₃ • 2H₂O

orthorhombic

Chalconatronite

Kalkonátronit

Na₂Cu(CO₃)₂ • 3H₂O

monoclinic

Chalcophanite

Kalkofánit

(Zn, Fe²⁺, Mn²⁺)Mn⁴⁺₃O₇ • 3H₂O

trigonal

Chalcophyllite

Kalkofillit

Cu₁₈Al₂(AsO₄)₄(SO₄)₃(OH)₂₄ • 36H₂O

trigonal

Chalcopyrite

Kalkopirit

CuFeS₂

tetragonal

Chalcosiderite

Kalkosziderit

CuFe³⁺₆(PO₄)₄(OH)₈ • 4H₂O

triclinic

Chalcostibite

Kalkosztibit

CuSbS₂

orthorhombic

Chalcothallite

Kalkotallit

Tl₂(Cu, Fe)₆SbS₄

tetragonal

Challacolloite

Challacolloit

KPb₂Cl₅

monoclinic

Chambersite

Chambersit

Mn₃B₇O₁₃Cl

orthorhombic

Chaméanite

Chaméanit

(Cu, Fe)₄As(Se, S)₄

cubic

Chamosite

Chamosit

(Fe²⁺, Mg, Fe³⁺)₅Al(Si₃Al)O₁₀(OH, O)₈

monoclinic

Changbaiite

Changbaiit

PbNb₂O₆

trigonal

Changchengite

Changchengit

IrBiS

cubic

Chantalite

Chantalit

CaAl₂SiO₄(OH)₄

tetragonal

Chaoite

Chaoit

C

hexagonal

Chapmanite

Chapmanit

Sb³⁺Fe³⁺₂(SiO₄)₂(OH)

monoclinic

Charlesite

Charlesit

Ca₆(Al, Si)₂(SO₄)₂B(OH)₄(OH, O)₁₂ • 26H₂O

hexagonal

Charmarite

Charmarit

Mn₄Al₂(OH)₁₂CO₃ • 3H₂O

hexagonal, trigonal

Charoite

Csaroit

K(Ca, Na)₂Si₄O₁₀(OH, F) • H₂O

monoclinic

Chatkalite

Csatkalit

Cu₆Fe²⁺Sn₂S₈

tetragonal

Chayesite

Chayesit

K(Mg, Fe²⁺)₄Fe³⁺Si₁₂O₃₀

hexagonal

Chekhovichite

Csehovicsit

Bi₂Te⁴⁺₄O₁₁

monoclinic

Chelkarite

Cselkarit

CaMgB₂O₄Cl₂ • 7H₂O (?)

orthorhombic

Chenevixite

Chenevixit

Cu₂Fe³⁺₂(AsO₄)₂(OH)₄ • H₂O

monoclinic

Chengdeite

Chengdeit

Ir₃Fe

cubic

Chenite

Chenit

Pb₄Cu²⁺(SO₄)₂(OH)₆

triclinic

Cheralite-(Ce)

Keralit-(Ce)

(Ce, Th, Ca)(P, Si)O₄

monoclinic

Cheremnykhite

Cseremnihit

Pb₃Zn₃Te⁶⁺O₆(VO₄)₂

orthorhombic

Cherepanovite

Cserepanovit

RhAs

orthorhombic

Chernikovite

Csernyikovit

(H₃O)₂(UO₂)₂(PO₄)₂ • 6H₂O

tetragonal

Chernovite-(Y)

Csernovit-(Y)

YAsO₄

tetragonal

Chernykhite

Csernihit

(Ba, Na)(V³⁺, Al)₂(Si, Al)₄O₁₀(OH)₂

monoclinic

Chervetite

Chervetit

Pb₂V⁵⁺₂O₇

monoclinic

Chessexite

Chessexit

Na₄Ca₂(Mg, Zn)₃Al₈(SiO₄)₂(SO₄)₁₀ (OH)₁₀ • 40H₂O

orthorhombic

Chesterite

Chesterit

(Mg, Fe²⁺)₁₇Si₂₀O₅₄(OH)₆

orthorhombic

Chestermanite

Chestermanit

Mg₂(Fe³⁺, Mg, Al, Sb⁵⁺)BO₅

orthorhombic

Chevkinite-(Ce)

Csevkinit-(Ce)

(Ce, La, Ca)₄(Fe²⁺, Mg)₂(Ti, Fe³⁺)₃Si₄O₂₂

monoclinic

Chiavennite

Chiavennit

CaMn²⁺Be₂Si₅O₁₃(OH)₂ • 2H₂O

orthorhombic

Childrenite

Childrenit

Fe²⁺Al(PO₄)(OH)₂ • H₂O

monoclinic

Chiluite

Chiluit

Bi₆Te⁶⁺₂Mo⁶⁺₂O₂₁

hexagonal

Chiolite

Kiolit

Na₅Al₃F₁₄

tetragonal

Chistyakovaite-(Y)

Csisztjakovait-(Y)

Al(UO₂)₂(AsO₄)₂(F, OH) • 6.5H₂O

monoclinic

Chivruaiite

Csivruajit

Ca₄(Ti, Nb)₅(Si₆O₁₇)₂(OH, O)₅ • 13-14H₂O

orthorhombic

Chkalovite

Cskalovit

Na₂BeSi₂O₆

orthorhombic

Chladniite

Chladniit

Na₂CaMg₇(PO₄)₆

trigonal

Chloraluminite

Klóraluminit

AlCl₃ • 6H₂O

trigonal

Chlorapatite

Klórapatit

Ca₅(PO₄)₃Cl

hexagonal, monoclinic

Chlorargyrite

Klórargirit

AgCl

cubic

Chlorartinite

Klórartinit

Mg₂(CO₃)Cl(OH) • 3H₂O

trigonal

Chlorbartonite

Klórbartonit

K₆Fe₂₄S₂₆(Cl, S)

tetragonal

Chlorellestadite

Klórellestadit

Ca₅(SiO₄, SO₄, PO₄)₃(Cl, F)

hexagonal or monoclinic

Chloritoid

Kloritoid

(Fe²⁺, Mg, Mn)₂Al₄Si₂O₁₀(OH)₄

monoclinic or triclinic

Chlormagaluminite

Klórmagaluminit

(Mg, Fe²⁺)₄Al₂(OH)₁₂(Cl₂, CO₃) • 2H₂O

hexagonal

Chlormanganokalite

Klórmanganokálit

K₄MnCl₆

trigonal

Chlorocalcite

Klorokalcit

KCaCl₃

orthorhombic

Chlorophoenicite

Klorofönicit

(Mn, Mg)₃Zn₂(AsO₄)(OH, O)₆

monoclinic

Chlorothionite

Klorotionit

K₂Cu²⁺(SO₄)Cl₂

orthorhombic

Chloroxiphite

Kloroxifit

Pb₃CuO₂Cl₂(OH)₂

monoclinic

Choloalite

Choloalit

Cu²⁺Pb(Te⁴⁺O₃)₂

cubic

Chondrodite

Kondrodit

(Mg, Fe²⁺)₅(SiO₄)₂(F, OH)₂

monoclinic

Chrisstanleyite

Chrisstanleyit

Ag₂Pd₃Se₄

monoclinic

Christelite

Christelit

Zn₃Cu₂(SO₄)₂(OH)₆ • 4H₂O

triclinic

Christite

Christit

TlHgAsS₃

monoclinic

Chromatite

Kromatit

CaCrO₄

tetragonal

Chrombismite

Krómbizmit

Bi₁₆CrO₂₇

tetragonal

Chromceladonite

Krómszeladonit

KCrMgSi₄O₁₀(OH)₂

monoclinic

Chromdravite

Krómdrávit

NaMg₃(Cr³⁺, Fe³⁺)₆(BO₃)₃Si₆O₁₈(OH)₄

trigonal

Chromferide

Krómferid

Fe₃Cr_1-x (x = 0.6)

cubic

Chromite

Kromit

Fe²⁺Cr₂O₄

cubic

Chromium

Króm

Cr

cubic

Chromphyllite

Krómfillit

KCr₂AlSi₃O₁₀(OH)₂

monoclinic

Chrysoberyl

Krizoberill

BeAl₂O₄

orthorhombic

Chrysocolla

Krizokolla

(Cu, Al)₂H₂Si₂O₅(OH)₄ • nH₂O

orthorhombic (?)

Chudobaite

Chudobait

(Mg, Zn)₅(AsO₄)₂(AsO₃OH)₂ • 10H₂O

triclinic

Chukhrovite-(Ce)

Csuhrovit-(Ce)

Ca₃(Ce, Y)Al₂(SO₄)F₁₃ • 10H₂O

cubic

Chukhrovite-(Y)

Csuhrovit-(Y)

Ca₃(Y, Ce)Al₂(SO₄)F₁₃ • 10H₂O

cubic

Churchite-(Y)

Churchit-(Y)

YPO₄ • 2H₂O

monoclinic

Chursinite

Chursinit

Hg⁺Hg²⁺(AsO₄)

monoclinic

Chvaleticeite

Chvaleticeit

(Mn²⁺, Mg)SO₄ • 6H₂O

monoclinic

Chvilevaite

Csvilevait

Na(Cu, Fe, Zn)₂S₂

trigonal

Cianciulliite

Cianciulliit

Mn²⁺(Mg, Mn²⁺)₂Zn₂(OH)₁₀ • 2-4H₂O

monoclinic

Cinnabar

Cinnabarit

HgS

trigonal

Ciprianiite

Ciprianiit

Ca₄(Th, U)REEAlSi₄B₄O₂₂(OH, F)₂

monoclinic

Clairite

Clairit

(NH₄)₂(Fe³⁺, Mn³⁺)₃(SO₄)₄(OH)₃ • 3H₂O

triclinic

Claraite

Clarait

(Cu, Zn)₃(CO₃)(OH)₄ • 4H₂O

triclinic (?)

Claringbullite

Claringbullit

Cu₄Cl(OH)₇

hexagonal

Clarkeite

Clarkeit

(Na, Ca, Pb)(UO₂)O(OH) • 0-1H₂O

trigonal

Claudetite

Claudetit

As₂O₃

monoclinic

Clausthalite

Clausthalit

PbSe

cubic

Clearcreekite

Clearcreekit

Hg⁺₃(CO₃)(OH) • 2H₂O

monoclinic

Clerite

Clerit

MnSb₂S₄

orthorhombic

Cleusonite

Cleusonit

(Pb, Sr)(U⁴⁺, U⁶⁺)Fe²⁺₂(Ti, Fe²⁺, Fe³⁺)₁₈(O, OH)₃₈

trigonal

Cliffordite

Cliffordit

UTe⁴⁺₃O₉

cubic

Clinoatacamite

Klinoatacamit

Cu₂Cl(OH)₃

monoclinic

Clinobehoite

Klinobehoit

Be(OH)₂

monoclinic

Clinobisvanite

Klinobizvanit

BiVO₄

monoclinic

Clinochalcomenite

Klinokalkomenit

Cu²⁺Se⁴⁺O₃ • 2H₂O

monoclinic

Clinochlore

Klinoklor

(Mg, Fe²⁺)₅Al(Si₃Al)O₁₀(OH)₈

monoclinic

Clinochrysotile

Klinokrizotil

Mg₃Si₂O₅(OH)₄

monoclinic or triclinic

Clinoclase

Klinoklász

Cu₃(AsO₄)(OH)₃

monoclinic

Clinoenstatite

Klinoensztatit

Mg₂Si₂O₆

monoclinic

Clinoferroholmquistite

Klinoferroholmquistit

Li₂[(Fe²⁺, Mg)₃Al₂]Si₈O₂₂(OH)₂

monoclinic

Clinoferrosilite

Klinoferroszilit

(Fe²⁺, Mg)₂Si₂O₆

monoclinic

Clinohedrite

Klinoedrit

CaZnSiO₄ • H₂O

monoclinic

Clinoholmquistite

Klinoholmquistit

Li₂[(Mg, Fe²⁺)₃Al₂]Si₈O₂₂(OH)₂

monoclinic

Clinohumite

Klinohumit

(Mg, Fe²⁺)₉(SiO₄)₄(F, OH)₂

monoclinic

Clinohydroxylapatite

Klinohidroxilapatit

(Ca, Na)₅(PO₄, SO₄)₃(OH, Cl)

monoclinic

Clinojimthompsonite

Klinojimthompsonit

(Mg, Fe²⁺)₅Si₆O₁₆(OH)₂

monoclinic

Clinokurchatovite

Klinokurcsatovit

Ca(Mg, Fe²⁺, Mn)B₂O₅

monoclinic

Clinomimetite

Klinomimetezit

Pb₅(AsO₄)₃Cl

monoclinic

Clinophosinaite

Klinofoszinait

Na₃Ca(SiO₃)(PO₄)

monoclinic

Clinoptilolite-Ca

Klinoptilolit-Ca

(Ca, Na, K)_2-3Al₃(Al, Si)₂Si₁₃O₃₆ • 12H₂O

monoclinic

Clinoptilolite-K

Klinoptilolit-K

(K, Na, Ca)_2-3Al₃(Al, Si)₂Si₁₃O₃₆ • 12H₂O

monoclinic

Clinoptilolite-Na

Klinoptilolit-Na

(Na, K, Ca)_2-3Al₃(Al, Si)₂Si₁₃O₃₆ • 12H₂O

monoclinic

Clinosafflorite

Klinoszafflorit

(Co, Fe, Ni)As₂

monoclinic

Clinotobermorite

Klinotobermorit

Ca₅Si₆(O, OH)₁₈ • 5H₂O

monoclinic

Clinotyrolite

Klinotirolit

Ca₂Cu₉(AsO₄, SO₄)₄(OH)₁₀ • 10H₂O

monoclinic

Clinoungemachite

Klinoungemachit

K₃Na₉Fe(SO₄)₆(OH)₃ • 9H₂O

monoclinic

Clinozoisite

Klinozoisit

Ca₂Al₃(SiO₄)(Si₂O₇)O(OH)

monoclinic

Clintonite

Clintonit

Ca(Mg₂Al)(Al₃Si)O₁₀(OH)₂

monoclinic

Coalingite

Coalingit

Mg₁₀Fe³⁺₂(CO₃)(OH)₂₄ • 2H₂O

trigonal

Cobalt pentlandite

Kobaltpentlandit

Co₉S₈

cubic

Cobaltarthurite

Kobaltarthurit

Co²⁺Fe³⁺₂(AsO₄)₂(OH)₂ • 4H₂O

monoclinic

Cobaltaustinite

Kobaltaustinit

Ca(Co, Cu)(AsO₄)(OH)

orthorhombic

Cobaltite

Kobaltin

CoAsS

orthorhombic

Cobaltkieserite

Kobaltkieserit

CoSO₄ • H₂O

monoclinic

Cobaltkoritnigite

Kobaltkoritnigit

(Co, Zn)(AsO₃OH) • H₂O

triclinic

Cobaltneustädtelite

Kobaltneustädtelit

Bi₂Fe³⁺Co²⁺O(OH)₃(AsO₄)₂

triclinic

Cobaltolotharmeyerite

Kobaltolotharmeyerit

Ca(Co, Fe, Ni)₂(AsO₄)₂(OH, H₂O)₂

monoclinic

Cobaltomenite

Kobaltomenit

CoSeO₃ • 2H₂O

monoclinic

Cobalttsumcorite

Kobalttsumcorit

Pb(Co, Fe)₂(AsO₄)₂(H₂O, OH)₂

monoclinic

Cobalt-zippeite

Kobaltzippeit

Co₂(UO₂)₆(SO₄)₃(OH)₁₀ • 16H₂O

orthorhombic

Cochromite

Kokromit

(Co, Ni, Fe²⁺)(Cr, Al)₂O₄

cubic

Coconinoite

Coconinoit

Fe³⁺₂Al₂(UO₂)₂(PO₄)₄(SO₄)(OH)₂ • 20H₂O

monoclinic

Coeruleolactite

Cöruleolaktit

(Ca, Cu)Al₆(PO₄)₄(OH)₈ • 4-5H₂O

triclinic

Coesite

Coesit

SiO₂

monoclinic

Coffinite

Coffinit

U(SiO₄)_1-x(OH)_4x

tetragonal

Cohenite

Cohenit

(Fe, Ni, Co)₃C

orthorhombic

Colemanite

Colemanit

Ca₂B₆O₁₁ • 5H₂O

monoclinic

Collinsite

Collinsit

Ca₂(Mg, Fe²⁺)(PO₄)₂ • 2H₂O

triclinic

Coloradoite

Coloradoit

HgTe

cubic

Colquiriite

Colquiriit

LiCaAlF₆

trigonal

Colusite

Colusit

Cu₂₆V₂(As, Sn, Sb)₆S₃₂

cubic

Comancheite

Komancsit

Hg₁₃(Cl, Br)₈O₉

orthorhombic

Combeite

Combeit

Na₂Ca₂Si₃O₉

trigonal

Comblainite

Comblainit

Ni₆Co³⁺₂(CO₃)(OH)₁₆ • 4H₂O

trigonal

Compreignacite

Compreignacit

K₂(UO₂)₆O₄(OH)₆ • 8H₂O

orthorhombic

Congolite

Kongolit

(Fe²⁺, Mg, Mn)₃B₇O₁₃Cl

trigonal

Conichalcite

Konikalkit

CaCu(AsO₄)(OH)

orthorhombic

Connellite

Connellit

Cu²⁺₁₉Cl₄(SO₄)(OH)₃₂ • 3H₂O

hexagonal

Cookeite

Cookeit

LiAl₄(Si₃Al)O₁₀(OH)₈

triclinic

Coombsite

Coombsit

K(Mn²⁺, Fe²⁺, Mg)₁₃(Si, Al)₁₈O₄₂(OH)₁₄

trigonal (?)

Cooperite

Cooperit

(Pt, Pd, Ni)S

tetragonal

Coparsite

Koparzit

Cu₄O₂[(As, V)O₄]Cl

orthorhombic

Copiapite

Copiapit

Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂ • 20H₂O

triclinic

Copper

Réz

Cu

cubic

Coquandite

Coquandit

Sb³⁺₆O₈(SO₄) • H₂O

triclinic

Coquimbite

Coquimbit

Fe³⁺₂(SO₄)₃ • 9H₂O

trigonal

Corderoite

Corderoit

Hg₃S₂Cl₂

cubic

Cordierite

Cordierit

(Mg, Fe²⁺)₂Al₄Si₅O₁₈

orthorhombic

Cordylite-(Ce)

Kordilit-(Ce)

NaBaCe₂(CO₃)₄F

hexagonal

Corkite

Corkit

PbFe³⁺₃(PO₄)(SO₄)(OH)₆

trigonal

Cornetite

Cornetit

Cu₃(PO₄)(OH)₃

orthorhombic

Cornubite

Cornubit

Cu₅(AsO₄)₂(OH)₄

triclinic

Cornwallite

Cornwallit

Cu₅(AsO₄)₂(OH)₄

monoclinic

Coronadite

Coronadit

Pb(Mn⁴⁺, Mn²⁺)₈O₁₆

monoclinic

Corrensite

Corrensit

(Ca, Na, K)(Mg, Fe, Al)₉(Si, Al)₈O₂₀(OH)₁₀ • nH₂O

?

Corundum

Korund

Al₂O₃

trigonal

Corvusite

Korvuzit

(Na, Ca, K)_x(V⁵⁺, V⁴⁺, Fe²⁺)₈O₂₀ • 4H₂O (x = 0.8-1.2)

monoclinic

Cosalite

Cosalit

Pb₂Bi₂S₅

orthorhombic

Coskrenite-(Ce)

Coskrenit-(Ce)

(Ce, Nd, La)₂(SO₄)₂(C₂O₄) • 8H₂O

triclinic

Costibite

Kosztibit

CoSbS

orthorhombic

Cotunnite

Cotunnit

PbCl₂

orthorhombic

Coulsonite

Coulsonit

Fe²⁺V³⁺₂O₄

cubic

Cousinite

Cousinit

MgU₂Mo₂O₁₃ • 6H₂O (?)

?

Coutinhoite

Coutinhoit

Th_xBa_1-2x(H₂O)_y(UO₂)₂Si₅O₁₃ • H₂O

orthorhombic

Covellite

Covellin

CuS

hexagonal

Cowlesite

Cowlesit

CaAl₂Si₃O₁₀ • 6H₂O

orthorhombic

Coyoteite

Coyoteit

NaFe₃S₅ • 2H₂O

triclinic

Crandallite

Crandallit

CaAl₃(PO₄)(PO₃OH)(OH)₆

trigonal

Crawfordite

Crawfordit

Na₃Sr(PO₄)(CO₃)

monoclinic

Creaseyite

Creaseyit

Pb₂Cu₂Fe³⁺₂Si₅O₁₇ • 6H₂O

orthorhombic

Crednerite

Crednerit

CuMnO₂

monoclinic

Creedite

Creedit

Ca₃Al₂(SO₄)(F, OH)₁₀ • 2H₂O

monoclinic

Crerarite

Crerarit

(Pt, Pb)Bi₃(S, Se)_4-x (x » 0.7)

cubic

Crichtonite

Crichtonit

(Sr, La, Ce, Y)(Ti, Fe³⁺, Mn)₂₁O₃₈

trigonal

Criddleite

Criddleit

TlAg₂Au₃Sb₁₀S₁₀

monoclinic

Cristobalite

Cristobalit

SiO₂

tetragonal

Crocoite

Krokoit

PbCrO₄

monoclinic

Cronstedtite

Cronstedtit

Fe²⁺₂Fe³⁺(SiFe³⁺)O₅(OH)₄

triclinic, monoclinic, hexagonal

Cronusite

Kronuszit

Ca_0.2(H₂O)₂CrS₂

trigonal

Crookesite

Crookesit

Cu₇(Tl, Ag)Se₄

tetragonal

Cryolite

Kriolit

Na₃AlF₆

monoclinic

Cryolithionite

Kriolitionit

Na₃Li₃Al₂F₁₂

cubic

Cryptohalite

Kriptohalit

(NH₄)₂SiF₆

cubic

Cryptomelane

Kriptomelán

K_1-1.5(Mn⁴⁺, Mn³⁺)₈O₁₆

monoclinic

Cualstibite

Kualsztibit

Cu₆Al₃Sb⁵⁺₃O₁₈ • 16H₂O

trigonal or hexagonal

Cubanite

Kubanit

CuFe₂S₃

orthorhombic

Cumengite

Cumengit

Pb₂₁Cu₂₀Cl₄₂(OH)₄₀

tetragonal

Cummingtonite

Cummingtonit

(Mg, Fe²⁺)₂(Mg, Fe²⁺)₅Si₈O₂₂(OH)₂

monoclinic

Cupalite

Kupalit

(Cu, Zn)Al

orthorhombic

Cuprite

Kuprit

Cu⁺₂O

cubic

Cuprobismutite

Kuprobizmutit

Cu₁₀Bi₁₂S₂₃

monoclinic

Cuprocopiapite

Kuprocopiapit

Cu²⁺Fe³⁺₄(SO₄)₆(OH)₂ • 20H₂O

triclinic

Cuproiridsite

Kuproiridszit

CuIr₂S₄

cubic

Cupropavonite

Kupropavonit

AgPbCu₂Bi₅S₁₀

monoclinic

Cuprorhodsite

Kuprorodszit

CuRh₂S₄

cubic

Cuprorivaite

Kuprorivait

CaCuSi₄O₁₀

tetragonal

Cuprosklodowskite

Kuprosklodowskit

(H₃O)₂Cu(UO₂)₂(SiO₄)₂ • 2H₂O

triclinic

Cuprospinel

Kuprospinell

(Cu, Mg)Fe³⁺₂O₄

cubic

Cuprostibite

Kuprosztibit

Cu₂(Sb, Tl)

tetragonal

Cuprotungstite

Kuprotungsztit

Cu²⁺₃(WO₄)₂(OH)₂

?

Curetonite

Curetonit

Ba(Al, Ti)(PO₄)(OH, O)F

monoclinic

Curienite

Curienit

Pb(UO₂)₂(V₂O₈) • 5H₂O

orthorhombic

Curite

Curit

Pb₃(UO₂)₈O₈(OH)₆ • 3H₂O

orthorhombic

Cuspidine

Kuszpidin

Ca₄Si₂O₇(F, OH)₂

monoclinic

Cuzticite

Cuzticit

Fe³⁺₂Te⁶⁺O₆ • 3H₂O

hexagonal

Cyanochroite

Cianokroit

K₂Cu²⁺(SO₄)₂ • 6H₂O

monoclinic

Cyanophyllite

Cianofillit

Cu₅Al₂Sb³⁺₃O₁₂(OH) • 12H₂O

orthorhombic

Cyanotrichite

Cianotrichit

Cu²⁺₄Al₂(SO₄)(OH)₁₂ • 2H₂O

orthorhombic

Cylindrite

Cilindrit

Pb₃Sn₄FeSb₂S₁₄

triclinic

Cymrite

Cymrit

BaAl₂Si₂(O, OH)₈ • H₂O

monoclinic

Cyrilovite

Cyrilovit

NaFe³⁺₃(PO₄)₂(OH)₄ • 2H₂O

tetragonal