orthorhombic
120 mineraller — Kristal sistemi

abutit
CaAl2(PO4)2F2

Akyrofanit
(K,Na)3(Fe^3⁺,Ti,Al,Mg)5O2(AsO4)5
◇
akmonit
(NH4,K,Pb)8NaFe^2⁺4(SO4)5Cl8

Adamit
Zn2AsO4(OH)

adelite
CaMgAsO4(OH)
◇
Aeschynite-(Ce)
Ce(TiNb)O6

Aeschynite-(Y)
Y(TiNb)O6

agrinierit
K2Ca[(UO2)3O3(OH)2]2·5H2O

Aguilarit
Ag4SeS

aksaite
MgB6O7(OH)6·2H2O

alcantarillaite

aldermanit
Mg5Al12(PO4)8(OH)22·32H2O
◇
allabogdanit
(Fe,Ni)2P

alpeit
Ca4Mn^3⁺2Al2(Mn^3⁺Mg)(SiO4)2(Si3O10)(V5+O4)(OH)6

althausit
Mg4(PO4)2(OH,O)(F,☐)

ammineit
CuCl2·2NH3

analcim
Na(AlSi2O6)·H2O

andalusit
Al2SiO5

anglezit
PbSO4

anhidrit
CaSO4

anilite
Cu7S4

antofilit
☐Mg2Mg5Si8O22(OH)2

Aragonit
CaCO3

arcanite
K2[SO4]

arcubisit
Ag6CuBiS4

argyrodite
Ag8GeS6

Armalcolit
(Mg,Fe^2⁺)Ti2O5

arsendescloizit
◇
arsenoclasit

arsenuranospathit
Al(UO2)2(AsO4)2F·20H2O

atacamit
Cu2Cl(OH)3

athabascait
Cu5Se4

attikaite
Ca3Cu2Al2(AsO4)4(OH)4·2H2O

austinite
CaZnAsO4(OH)

otunit
Ca(UO2)2(PO4)2·(10-12)H2O

avogadrite
KBF4

azoproit
Mg2[(Ti,Mg),Fe^3⁺]O2BO3

banalsit
Na2BaAl4Si4O16

barrerit
Na2(Si7Al2)O18·6H2O

baryt
BaSO4

bavenit
Ca4Be2₊ₓAl2₋ₓSi9O26₋ₓ(OH)2₊ₓ (x=0 to 1)

Becquerelite
Ca(UO2)6O4(OH)6·8(H2O)

berthierit
FeSb2S4

bertrandit
Be4Si2O7(OH)2
◇
bezsmertnovit

billietit

bismütit
Bi2S3

bismitit
Bi2O2(CO3)
◇
blossit

bonaccordit
Ni2Fe^3⁺O2(BO3)

Boratit
Mg3B7O13Cl

bornit
Cu5FeS4

bournonit
CuPbSbS3

Bowieit

brassit
Mg(AsO3OH)·4H2O
◇
Bridgmanit
MgSiO3

Brookit
TiO2

brownmillerite
Ca2(Al,Fe^3⁺)2O5

Cabriit
Pd2CuSn

kalsiborit
CaB2O4

Kaledonit
Cu2Pb5(SO4)3(CO3)(OH)6

canfieldit
Ag8SnS6

capgaronnit
AgHgClS

karmeltazit
ZrAl2Ti4O11

karnalit
KMgCl3·6H2O

karfolit
Mn^2⁺Al2(Si2O6)(OH)4

kavansit

selestin
SrSO4

Servantit
Sb^3⁺Sb^5⁺O4

Kalsostibit
CuSbS2

chambersit
Mn3B7O13Cl

chanabayaite
Cu2Cl(N3C2H2)2(NH3,Cl,H2O,☐)4

Chesterit
Mg17Si20O54(OH)6

childrenite
Fe^2⁺AlPO4(OH)2·H2O
◇
klorokalsit
KCaCl3

krisoberil
BeAl2O4

krisokoll
Cu2₋ₓAlₓ(H2₋ₓSi2O5)(OH)4 · nH2O

Kobaltit
CoAsS

Kohenit
Fe3C
◇
Kolimaite
K3VS4

konikalsit
CaCuAsO4(OH)

kordiyerit
Mg2Al4Si5O18

cornetit
Cu3PO4(OH)3

Kotünit
PbCl2

cowlesit
Ca(Al2Si3)O10·(5-6)H2O

Kübit
CuFe2S3
◇
Kupalit
CuAl

curite
Pb3(UO2)8O8(OH)6 * 3H2O

cyanotrichite
Cu4Al2SO4(OH)12·2H2O

Danburit
CaB2Si2O8

danielsit
(Cu,Ag)14HgS8

Dawsonit
NaAl(CO3)(OH)2

descloizit
PbZn(VO4)(OH)

dimorphit
As4S3

dresserit
Ba2Al4(CO3)4(OH)8·3H2O

duftit
PbCuAsO4(OH)

dumortierit
AlAl6BSi3O18

Dundasit
PbAl2(CO3)2(OH)4·H2O
◇
dyrnaesit-(La)
Na8Ce^4⁺(La,REE)2(PO4)6

dyskrasit
Ag3₊ₓSb1₋ₓ (x~0.2)

edingtonit
Ba(Si3Al2)O10·4H2O
◇
elaliit
(Fe^2⁺8Fe^3⁺)(PO4)O8

empressit
AgTe

Enargit
Cu3AsS4

Enstatit
Mg2Si2O6

epsomit
MgSO4·7H2O

euchroite
Cu2AsO4(OH)·3H2O

Euxenit-(Y)
(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6

evenkite
C23H48

falcondoit
Ni4Si6O15(OH)2·6H2O

fayalit
Fe^2⁺2SiO4
◇
fermiit
Na4(UO2)(SO4)3·3H2O

ferrimolybdit
Fe^3⁺2(Mo^6⁺O4)3·7H2O

ferro-gedrite
☐{Fe^2⁺2}{Fe^2⁺3Al2}(Al2Si6O22)(OH)2

fluellite
Al2(PO4)F2(OH)(H2O)3·4H2O

fluorwavellite
Al3(PO4)2(OH)2F*5H2O

forsterit
Mg2SiO4

fourmarierit
Pb(UO2)4O3(OH)4·4H2O

francevillit
Ba(UO2)2(VO4)2·5H2O

gedrite
☐Mg2Mg3Al2(Si6Al2)O22(OH)2