Minerals

Armalcolite

(Mg,Fe2+)Ti2O5

Armangite

Mn2+26[As3+6(OH)4O14][As3+6O18]2(CO3)

Armbrusterite

Na6K5Mn3+Mn2+14(Si9O22)4(OH)10·4H2O

Armellinoite-(Ce)

Ca4Ce4+(AsO4)4·H2O

Armenite

BaCa2(Al6Si9)O30·2H2O

Armstrongite

CaZr(Si6O15)·2H2O

Arrheniusite-(Ce)

CaMg[(Ce7Y3)Ca5](SiO4)3(Si3B3O18)(AsO4)(BO3)F11

Arrojadite-(BaNa)

BaNa3(NaCa)Fe2+13Al(PO4)11(PO3OH)(OH)2

Arrojadite-(KFe)

(KNa)Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2

Arrojadite-(KNa)

KNa3(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2

Arrojadite-(PbFe)

PbFe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2

Arrojadite-(SrFe)

SrFe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2

Arsenatrotitanite

NaTi(AsO4)O

Arsenbrackebuschite

Pb2(Fe3+,Zn)(AsO4)2(OH,H2O)

Arsendescloizite

PbZn(AsO4)(OH)

Arsenic

As

Arseniopleite

NaCaMnMn2(AsO4)3

Arseniosiderite

Ca2Fe3+3O2(AsO4)3·3H2O

Arsenmarcobaldiite

Pb12(As3.2Sb2.8)Σ6S21

Arsenmedaite

Mn2+6As5+Si5O18(OH)

Arsenoclasite

Mn2+5(AsO4)2(OH)4

Arsenocrandallite

CaAl3(AsO4)(AsO3OH)(OH)6

Arsenoflorencite-(Ce)

CeAl3(AsO4)2(OH)6

Arsenoflorencite-(La)

LaAl3(AsO4)2(OH)6

Arsenogoldfieldite

Cu6Cu6(As2Te2)S13

Arsenogorceixite

BaAl3(AsO4)(AsO3OH)(OH)6

Arsenogoyazite

SrAl3(AsO4)(AsO3OH)(OH)6

Arsenohauchecornite

Ni18Bi3AsS16

Arsenohopeite

Zn3(AsO4)2·4H2O

Arsenolamprite

As

Arsenolite

As2O3

Arsenopalladinite

Pd8As3

Arsenopyrite

FeAsS

Arsenosabugalite

H0.5Al0.5(UO2)2(AsO4)2·8H2O

Arsenotučekite

Ni18Sb3AsS16

Arsenoústalečite

Cu6Cu6(As2Te2)Se13

Arsenovanmeersscheite

U(UO2)3(AsO4)2(OH)6·4H2O

Arsenoveszelyite

Cu2Zn(AsO4)(OH)3·2H2O

Arsenowagnerite

Mg2(AsO4)F

Arsenquatrandorite

Ag17.6Pb12.8Sb38.1As11.5S96

Arsentsumebite

Pb2Cu(AsO4)(SO4)(OH)

Arsenudinaite

NaMg4(AsO4)3

Arsenuranospathite

Al(UO2)2(AsO4)2F·20H2O

Arsenuranylite

Ca(UO2)4(AsO4)2(OH)4·6H2O

Arsiccioite

AgHg2TlAs2S6

Arsmirandite

Na18Cu12Fe3+O8(AsO4)8Cl5

Arthurite

CuFe3+2(AsO4)2(OH)2·4H2O

Artinite

Mg2(CO3)(OH)2·3H2O