tetragonal
120 minerals — Crystal system
abernathyite
K(UO2)(AsO4)·3H2O
abswurmbachite
Cu^2⁺(Mn^3⁺)6O8(SiO4)
adranosite
(NH4)4NaAl2(SO4)4Cl(OH)2
åkermanite
Ca2MgSi2O7
aminoffite
Ca3(BeOH)2Si3O10
anatase
TiO2
apuanite
Fe^2⁺Fe^3⁺4Sb^3⁺4O12S
archerite
H2KPO4
◇
argutite
ashburtonite
HCu4Pb4Si4O12(HCO3)4(OH)4Cl
ashcroftine-(Y)
K5Na5Y12Si28O70(OH)2(CO3)8·8H2O
◇
ashoverite
Zn(OH)2
asisite
Pb7SiO8Cl2
◇
babefphite
BaBePO4F
béhierite
braunite
Mn^2⁺Mn^3⁺6(Si8O4)
bukovite
Cu4Tl2Se4
cahnite
Ca2[B(OH)4](AsO4)
calomel
HgCl
cassiterite
SnO2
chalcopyrite
CuFeS2
chatkalite
Cu6FeSn2S8
chiolite
Na5Al3F14
◇
chrysothallite
K6Cu6Tl^3⁺Cl17(OH)4·H2O
coccinite
HgI2
coffinite
U(SiO4) * nH2O
cooperite
PtS
cristobalite
SiO2
crookesite
Cu7TlSe4
cuprostibite
Cu2(Sb,Tl)
cyprine
Ca19Cu^2⁺(Al10Mg2)Si18O68(OH)10
cyrilovite
NaFe^3⁺3(PO4)2(OH)4 * 2H2O
diaboleite
CuPb2Cl2(OH)4
ekanite
Ca2ThSi8O20
◇
eskebornite
CuFeSe2
◇
ewingite
Mg8Ca8(UO2)24(CO3)30O4(OH)12(H2O)138
ferricoronadite
Pb(Mn4+6Fe^3⁺2)O16
ferronickelplatinum
(Ni,Fe)Pt
garronite-Ca
Ca3(Al6Si10O32)·14H2O
gehlenite
Ca2Al(SiAl)O7
gonnardite
(Na,Ca)2(Si,Al)5O10·3H2O
gugiaite
Ca2Be(Si2O7)
hafnon
HfSiO4
hardystonite
Ca2ZnSi2O7
hausmannite
Mn^2⁺Mn^3⁺2O4
jalpaite
Ag3CuS2
◇
jinxiuite
Ni18Bi2SbAsS16
keatite
SiO2
khatyrkite
(Cu,Zn)Al2
lemanskiite
NaCaCu5(AsO4)4Cl * 3H2O
leucite
K(AlSi2O6)
linzhiite
FeSi2
litharge
PbO
mackinawite
(Fe,Ni)9S8
manganvesuvianite
Ca19Mn^3⁺(Al,Mn^3⁺,Fe^3⁺)10(Mg,Mn^2⁺)2(Si2O7)4(SiO4)10O(OH)9
mathesiusite
K5(UO2)4(SO4)4(VO5)(H2O)4
matlockite
PbClF
maucherite
Ni11As8
mawsonite
Cu6Fe2SnS8
melanophlogite
46SiO2 * 6(N2,CO2) * 2(CH4,N2)
mellite
Al2[C6(COO)6] * 16H2O
metatorbernite
Cu(UO2)2(PO4)2·8H2O
metazeunerite
Cu(UO2)2(AsO4)2·8H2O
minium
Pb^2⁺2Pb^4⁺O4
◇
mooihoekite
Cu9Fe9S16
narsarsukite
Na2(Ti,Fe^3⁺)Si4(O,F)11
ordoñezite
ZnSb^5⁺2O6
paramelaconite
Cu^1⁺2Cu^2⁺2O3
phosgenite
Pb2CO3Cl2
pinnoite
MgB2O(OH)6
piypite
K4Cu4O2(SO4)4·(Na,Cu)Cl
plattnerite
PbO2
powellite
CaMoO4
pyrolusite
MnO2
◇
reidite
ZrSiO4
renierite
(Cu^1⁺,Zn)11Fe4(Ge^4⁺,As^5⁺)2S16
rosenbergite
AlF3.3H2O
routhierite
CuTlHg2As2S6
rutile
TiO2
sarcolite
Na4Ca12Al8Si12O46(SiO4,PO4)(OH,H2O)4(CO3,Cl)
scheelite
CaWO4
schiavinatoite
(Nb,Ta)(BO4)
schreibersite
(Fe,Ni,Cr)3P
schwertmannite
Fe^3⁺16(OH,SO4)12-13O16 * 10-12H2O
sellaite
MgF2
stannite
Cu2FeSnS4
steacyite
K0.3(Na,Ca)2ThSi8O20
stishovite
SiO2
stolzite
PbWO4
tapiolite-(Fe)
(Fe,Mn)(Ta,Nb)2O6
thorite
ThSiO4
torbernite
Cu(UO2)2(PO4)2·12H2O
tugtupite
Na4BeAlSi4O12Cl
umangite
Cu3Se2
◇
uramphite
NH4(UO2)PO4·3H2O
uranocircite
Ba(UO2)2(PO4)2·10H2O
vesuvianite
(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10
wakefieldite-(Ce)
Ce(VO4)
wardite
NaAl3(PO4)2(OH)4·2H2O
weddellite
Ca(C2O4)·2H2O
wiluite
Ca19(Al,Mg)13(B,☐,Al)5(Si2O7)4(SiO4)10(O,OH)10
wulfenite
PbMoO4
◇
xenotime-(Gd)
Gd(PO4)
◇
xiangjiangite
Fe^3⁺(UO2)4(PO4)2(SO4)2(OH)·22H2O
zavaritskite
BiOF
zeunerite
Cu(UO2)2(AsO4)2·12H2O
◇
zhangpeishanite
BaFCl
zinclipscombite
ZnFe^3⁺2(PO4)2(OH)2
zircon
ZrSiO4
◇
adranosite-(Fe)
(NH4)4NaFe2(SO4)4Cl(OH)2
◇
alfredcasparite
Sr2TiO(Si2O7)
alumoåkermanite
(Ca,Na)2(Al,Mg,Fe^2⁺)(Si2O7)
◇
alumovesuvianite
Ca19Al(Al10Mg2)Si18O69(OH)9
◇
ammonioleucite
(NH4)AlSi2O6
◇
ammoniomathesiusite
(NH4)5(UO2)4(SO4)4(VO5)4·H2O
◇
andymcdonaldite
Fe2TeO6
anningite-(Ce)
◇
anyuiite
AuPb2
◇
arapovite
◇
armellinoite-(Ce)
Ca4Ce4+(AsO4)4·H2O