orthorhombic
120 mineral — Sistem kristal

abuit
CaAl2(PO4)2F2

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

adamite
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

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

althausit
Mg4(PO4)2(OH,O)(F,☐)

ammineit
CuCl2·2NH3

analcime
Na(AlSi2O6)·H2O

andalusit
Al2SiO5

anglesit
PbSO4

anhidrit
CaSO4

anilite
Cu7S4

anthophyllite
☐Mg2Mg5Si8O22(OH)2

aragonit
CaCO3

arcanite
K2[SO4]

arcubisit
Ag6CuBiS4

argyrodite
Ag8GeS6

armalcolit
(Mg,Fe^2⁺)Ti2O5

arsendescloizite
◇
arsenoclasit

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

atacamit
Cu2Cl(OH)3

athabascait
Cu5Se4

attikaite
Ca3Cu2Al2(AsO4)4(OH)4·2H2O

austinite
CaZnAsO4(OH)

autunit
Ca(UO2)2(PO4)2·(10-12)H2O

avogadrite
KBF4

azoproit
Mg2[(Ti,Mg),Fe^3⁺]O2BO3

banalsit
Na2BaAl4Si4O16

barrerite
Na2(Si7Al2)O18·6H2O

barit
BaSO4

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

becquerelite
Ca(UO2)6O4(OH)6·8(H2O)

berthierit
FeSb2S4

bertrandite
Be4Si2O7(OH)2
◇
bezsmertnovit

billietit

bismitinit
Bi2S3

bismitit
Bi2O2(CO3)
◇
blossite

bonaccordit
Ni2Fe^3⁺O2(BO3)

boracit
Mg3B7O13Cl

bornit
Cu5FeS4

bournonite
CuPbSbS3

bowieit

brassite
Mg(AsO3OH)·4H2O
◇
bridgmanit
MgSiO3

brookite
TiO2

brownmillerite
Ca2(Al,Fe^3⁺)2O5

cabriit
Pd2CuSn

kalsiborit
CaB2O4

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

canfieldit
Ag8SnS6

capgaronnit
AgHgClS

karmeltazit
ZrAl2Ti4O11

karnalit
KMgCl3·6H2O

karfolit
Mn^2⁺Al2(Si2O6)(OH)4

cavansite

sianit
SrSO4

cervantit
Sb^3⁺Sb^5⁺O4

kalkostibit
CuSbS2

chambersit
Mn3B7O13Cl

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

Chesterite
Mg17Si20O54(OH)6

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

krisoberil
BeAl2O4

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

cobaltit
CoAsS

cohenite
Fe3C
◇
colimaite
K3VS4

conichalcit
CaCuAsO4(OH)

kordierit
Mg2Al4Si5O18

cornetit
Cu3PO4(OH)3

cotunnite
PbCl2

cowlesit
Ca(Al2Si3)O10·(5-6)H2O

kubanit
CuFe2S3
◇
cupalite
CuAl

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

sianotrikhit
Cu4Al2SO4(OH)12·2H2O

danburit
CaB2Si2O8

danielsite
(Cu,Ag)14HgS8

dawsonit
NaAl(CO3)(OH)2

descloizite
PbZn(VO4)(OH)

dimorfite
As4S3

dresserite
Ba2Al4(CO3)4(OH)8·3H2O

duftit
PbCuAsO4(OH)

dumortierit
AlAl6BSi3O18

dundasite
PbAl2(CO3)2(OH)4·H2O
◇
dyrnaesite-(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

empresit
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

ferrimolybdite
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

fourmarierite
Pb(UO2)4O3(OH)4·4H2O

francevillit
Ba(UO2)2(VO4)2·5H2O

gedrite
☐Mg2Mg3Al2(Si6Al2)O22(OH)2