actinolite
Act
Ca2 (Mg,Fe)5 (Si8 O22 )(OH)2
adularia
Adl
KAlSi3 O8
aegirine
Aeg
NaFe+3 (Si2 O6 )
akermanite
Ak
Ca2 Mg(Si2 O7 )
albite
Ab
Na(AlSi3 O8 )
alkali feldspar
Afs
(K,Na)(AlSi3 O8 )
allanite
Aln
(Ca,Ce)2 (Al,Fe+2 ,Fe+3 )3 (SiO4 )(Si2 O7 )O(OH)
almandine
Alm
Fe3 Al2 (SiO4 )3
aluminosilicate
Als
Al2 (SiO4 )O
alunite
Alu
KAl3 (SO4 )2 (OH)6
amakinite
Amk
(Fe,Mg)(OH)2
amesite
Ame
Mg2 Al(AlSiO5 )(OH)4
amphibole
Amp
Mineral Group
analcime (analcite)
Anl
Na(AlSi2 O8 )· H O
anatase
Ant
TiO2
andalusite
And
Al2 (SiO4 )O
andradite
Adr
Ca3 Fe+3 2 (SiO4 )3
anglesite
Ang
PbSO4
anhydrite
Anh
CaSO4
ankerite
Ank
Ca(Fe,Mg,Mn)(CO3 )2
annite
Ann
KFe3 (AlSi3 O10 )(OH,F)2
anorthite
An
Ca(Al2 Si2 O8 )
anorthoclase
Ano
(Na,K)(AlSi3 O8 )
anthophyllite
Ath
Mg2 Mg5 (Si8 O22 )(OH)2
antigorite
Atg
Mg3 (Si2 O5 )(OH)4
apatite
Ap
Ca5 (PO4 )3 (Cl/F/OH)
apophyllite
Apo
KCa4 (Si8 O20 )(F,OH)· 8H2 O
aragonite
Arg
CaCO3
arfvedsonite
Arf
NaNa2 [(Fe+2> ,Mg)4 Fe+3 ](Si8 O22 )(OH)2
armalcolite
Arm
(Mg,Fe)Ti2 O5
arsenopyrite
Apy
FeAsS
augite
Aug
(Ca,Na)(Mg,Fe,Al)[(Al,Si)2 O6 ]
awaruite
Awr
Ni2 Fe‒ Ni3 Fe
axinite
Ax
(Ca,Fe,Mn)3 Al2 (BO3 )(Si4 O12 )(OH)
babingtonite
Bab
Ca2 (Fe+2 ,Mn)Fe+3 [(Si5 O14 )(OH)]
baddeleyite
Bdy
ZrO2
barite
Brt
BaSO4
barroisite
Brs
[NaCa][(Mg,Fe)3 Al2 ](AlSi7 O22 )(OH)2
beidellite
Bei
(Ca0.5 , Na)0.3 Al2 [(Si,Al)4 O10 ](OH)2 · nH2 O
beryl
Brl
Be3 Al2 (Si6 o18 )
biotite
Bt
Mica Group
bixbyite
Bxb
(Mn+3 ,Fe+3 )2 O3
boehmite (böhmite)
Bhm
AlO(OH)
bornite
Bn
Cu5 FeS4
brookite
Brk
TiO2
brucite
Brc
Mg(OH)2
bustamite
Bst
(Mn,Ca)3 (Si3 O9 )
calcite
Cal
CaCO3
cancrinite
Ccn
(Na,Ca)8 (Al6 Si6 O24 )(CO3 ,SO4 )2 · H2 O
carbonate mineral
Cb
Mineral Type
carpholite
Car
MnAl2 (Si2 O6 )(OH)4
cassiterite
Cst
SnO2
celadonite
Cel
K(Mg,Fe+2 )(Fe+3 ,Al)(Si4 O10 )(OH)2
celestine
Clt
SrSO4
celsian
Cls
BaAl2 (Si2 O8 )
cerussite
Cer
PbCO3
chabazite
Cbz
(Ca,K2 ,Na2 )2 (Al2 Si4 O12 )2 · 12H2 O
chalcocite
Cct
Cu2 S
chalcopyrite
Ccp
CuFeS2
chamosite
Chm
(Fe, Mg)5 Al(AlSi3 O10 )(OH,O)8
chesterite
Chs
(Mg, Fe)17 (Si20 O54 )(OH)6
chlorite
Chl
Mineral Group
chloritoid
Cld
(Fe,Mg,Mn)Al2 (SiO4 )O(OH)2
chondrodite
Chn
Mg5 (SiO4 )2 (F,OH)2
chromite
Chr
FeCr2 O4
chrysocolla
Ccl
(Cu,Al)2 H2 (Si2 O5 )(OH)4 · nH2 O
chrysotile
Ctl
Mg3 (Si2 O5 )(OH)4
cinnabar
Cin
HgS
clinoamphibole
Cam
Amphibole Group
clinochlore
Clc
Mg5 Al(AlSi3 O10 )(OH)8
clinoenstatite
Cen
Mg2 (Si2 O6 )
clinoferrosilite
Cfs
Fe2 (Si2 O6 )
clinohumite
Chu
Mg9 (SiO4 )4 (F,OH)2
clinoptilolite
Cpt
(Na,K,Ca)2‒ 3 [Al3 (Al,Si)2 Si13 O36 ]· 12H2 O
clinopyroxene
Cpx
Pyroxene Group
clinozoisite
Czo
Ca2 Al3 (SiO4 )(Si2 O7 )O(OH)
clintonite
Cln
Ca(Mg, Al)3 (Al3 SiO10 )(OH)2
coesite
Coe
SiO2
cohenite
Coh
(Fe,Ni,Co)3 C
cordierite
Crd
(Mg,Fe)2 Al3 (AlSi5 O18 )
corrensite
Crr
(Ca,Na,K)(Mg,Fe,Al)9 [(Si,Al)8 O20 ](OH)10 · nH2 O
corundum
Crn
Al2 O3
covellite
Cv
CuS
cristobalite
Crs
SiO2
crossite
Crt
Discontinued Amphibole Name
cryolite
Crl
Na3 AlF6
cubanite
Cbn
CuFe2 S3
cummingtonite
Cum
Mg2 Mg5 (Si8 O22 )(OH)2
cuprite
Cpr
Cu2 O
cuspidine
Csp
Ca4 (Si2 O7 )(F,OH)2
daphnite
Dph
(Fe,Mg)5 Al[(Si,Al)4 O10 ](OH)8
datolite
Dat
CaB(SiO4 )(OH)
daubreelite
Dbr
FeCr2 S4
deerite
Dee
(Fe+2 , Mn)6 (Fe+3 , Al)3 (Si6 O18) O2 (OH)5
diamond
Dia
C
diaspore
Dsp
AlO(OH)
dickite
Dck
Al2 (Si2 O5 )(OH)4
digenite
Dg
Cu9 S2
diopside
Di
CaMg(Si2 O6 )
dioptase
Dpt
Cu(SiO3 )· H2 O
dolomite
Dol
CaMg(CO3 )2
dravite
Drv
NaMg3 Al6 (BO3 )3 (Si6 O18 )(OH)4
dumortierite
Dum
Al7 (BO3 )(SiO4 )3 O3
eastonite
Eas
KMg2 Al(Al2 Si2 O10 )(OH)2
ecandrewsite
Ec
(Zn,Fe,Mg)TiO3
eckermannite
Eck
NaNa2 (Mg4 Al)(Si8 O22 )(OH)2
edenite
Ed
NaCa2 Mg5 (AlSi7 O22 )(OH)2
elbaite
Elb
Na(Al,Li)3 Al6 (BO3 )3 (Si6 O18 )(OH)4
ellenbergerite
Ell
Mg6 TiAl6 Si8 O28 (OH)10
enargite
Eng
Cu3 AsS4
enstatite
En
Mg2 (Si2 O6 )
epidote
Ep
Ca2 Al2 (Fe+3 ,Al)(SiO4 )(Si2 O7 )O(OH)
erionite
Eri
(K2 ,Ca,Na2 )2 (Al4 Si14 O36 )· 15H2 O
eskolaite
Esk
Cr2 O3
esseneite
Ess
CaFe+3 (AlSiO6 )
eudialite
Eud
Na4 (Ca,Ce)2 (Fe,Mn)Zr(Si8 O22 )(OH,Cl)2
fassaite
Fas
Ca(Mg,Fe,Al)[(Al,Si)2 O6 )
fayalite
Fa
Fe2 (SiO4 )
feldspar
Fsp
Mineral Group
ferro-actinolite
Fac
Ca2 (Fe,Mg)5 (Si8 O22 )(OH)2
ferro-anthophyllite
Fath
(Fe2 )(Fe5 )(Si8 O22 )(OH)2
ferrobarroisite
Fbrs
[NaCa][(Fe,Mg)3 Al2 ](AlSi7 O22 )(OH)2
ferrocarpholite
Fcar
(Fe, Mg)Al2 (Si2 O6 )(OH)4
ferroceladonite
Fcel
K(Fe+2 ,Mg)(Fe+3 ,Al)(Si4 O10 )(OH)2
ferro-eckermannite
Fec
NaNa2 (Fe4 Al)(Si8 O22 )(OH)2
ferro-edenite
Fed
NaCa2 (Fe,Mg)5 (AlSi7 O22 )(OH)2
ferrogedrite
Fgd
(Fe,Mg)2 [(Fe,Mg)3 Al2 ](Al2 Si6 O22 )(OH)2
ferroglaucophane
Fgl
Na2[(Fe,Mg)3 Al2 ](Si8 O22 )(OH)2
ferrokaersutite
Fkrs
NaCa2 [(Fe,Mg)4 Ti](Si6 Al2 O22 )(OH)2
ferronybøite
Fny
NaNa2 (Fe3 Al2 )(AlSi7 O22 )(OH)2
ferropargasite
Fprg
NaCa2 [(Fe,Mg)4 Al](Al2 Si6 O22 )(OH)2
ferrorichterite
Frct
Na[NaCa](Fe, Mg)5 (Si8 O22 )(OH)2
ferrosilite
Fs
(Fe,Mg)2 (Si2 O6 )
ferrotschermakite
Fts
Ca2 [(Fe,Mg)3 Al2 ](Al2 Si6 O22 )(OH)2
ferrowinchite
Fwn
(CaNa)[Fe4 (Al,Fe+3 )](Si8 O22 )(OH)2
fibrolite
Fi
Al2 (SiO4 )O
fluorite
Fl
CaF2
forsterite
Fo
Mg2 (SiO4 )
foshagite
Fos
Ca4 (Si3 O9 )(OH)2
franklinite
Frk
(Zn,Mn+2 ,Fe+2 )(Fe+3 , Mn+3 )2 O4
fullerite
Ful
C60
gahnite
Ghn
ZnAl2 O4
galaxite
Glx
(Mn+2 ,Fe+2 ,Mg)(Al,Fe+3 )2 O4
galena
Gn
PbS
garnet
Grt
Mineral Group
gedrite
Ged
(Mg,Fe)5 Al2 (Al2 Si6 O22 )(OH)2
gehlenite
Gh
Ca2 Al(AlSiO7 )
geikielite
Gk
MgTiO3
gibbsite
Gbs
Al(OH)3
gismondine
Gis
Ca2 Al4 (Si4 O16 )· 9H2 O
glauconite
Glt
(K,Na)(Fe+3 ,Al,Mg)2 [(Al,Si)4 O10 ](OH)2
glaucophane
Gln
(Na2 )(Mg3 Al2 )(Si8 O22 )(OH)2
gmelinite
Gme
(Na2 ,Ca)Al2 (Si4 O12 )· 6H2 O
goethite
Gth
α ‒ FeO(OH)
grandidierite
Gdd
(Mg,Fe)Al3 (BO3 )(SiO4 )O2
graphite
Gr
C
greenalite
Gre
(Fe+2 , Fe+3 )2‒ 3 (Si2 O5 )(OH)4
grossular
Grs
Ca3 Al2 (SiO4 )3
grunerite
Gru
(Fe2 )(Fe5 )(Si8 O22 )(OH)2
gypsum
Gp
CaSO4 · 2H2 O
halite
Hl
NaCl
harmotome
Hrm
(Ba, K)1‒ 2 [(Si,Al)8 O16 ]· 6H2 O
hastingsite
Hst
NaCa2 (Fe+2 4 Fe+3 )(Al2 Si6 O22 )(OH)2
hausmannite
Hsm
(Mn+2 , Mn+3 )2 O4
haüyne
Hyn
(Na,K)3 (Ca,Na)(Al3 Si3 O12 )(SO4 ,S,Cl)
heazlewoodite
Hzl
Ni3 S2
hedenbergite
Hd
CaFe(Si2 O6 )
hematite
Hem
Fe2 O3
hercynite
Hc
FeAl2 O4
heulandite
Hul
(Ca,Na2 )(Al2 Si7 O18 )· 6H2 O
hibonite
Hbn
(Ca,Ce,La)(Al,Ti,Mg)12 O19
hibschite
Hbs
Ca3 Al2 (SiO4 )3-x (OH)4x x=(0.2-1.5)
högbomite
Hgb
(Mg,Fe)2 (Al,Ti)5 O10
hollandite
Hol
Ba(Mn+4 , Mn+3 )8 O16
holmquistite
Hlm
(Li2 )(Mg3 Al2 )(Si8 O22 )(OH)2
hornblende
Hbl
General Amphibole Name
howieite
Hw
Na(Fe,Mn)10 (Fe+3 ,Al)2 Si12 O31 (OH)13
humite
Hu
Mg7 (SiO4 )3 (F,OH)2
hydrogrossular
Hgr
Water-bearing Garnet
hypersthene
Hyp
(Mg,Fe)2 (Si2 O6 )
illite
Ilt
(K,H3 O)(Al,Mg,Fe)2 [(Si,Al)4 O10 ][(OH)2 ·(H2 O)]
ilmenite
Ilm
FeTiO3
ilvaite
Ilv
CaFe2 +2 Fe+3 O(Si2 O7 )(OH)
jadeite
Jd
Na(Al,Fe+3 )(Si2 O6 )
jarosite
Jrs
KFe+3 3 (SO4 )2 (OH)6
jimthompsonite
Jim
(Mg,Fe)5 (Si6 O16 )(OH)2
johannsenite
Jhn
CaMn+2 (Si2 O6 )
kaersutite
Krs
NaCa2 [(Mg,Fe)4 Ti](Al2 Si6 O22 )(OH)2
kalsilite
Kls
KAl(SiO4 )
kamacite (α-FeNi)
Kam
(Fe,Ni)
kaolinite
Kln
Al2 (Si2 O5 )(OH)4
katophorite
Ktp
Na[NaCa][(Fe,Mg)4 Al](AlSi7 O22 )(OH)2
K-feldspar
Kfs
Feldspar Group
K-hollandite
Khl
KAlSi3 O8
kirschsteinite
Kir
CaFe(SiO44 )
kornerupine
Krn
(Mg,Fe)4 Al6 [(Si, Al, B)5 O21 ](OH)
kosmochlor
Kos
NaCr+3 (SiO6 )
kutnohorite (kutnahorite)
Kut
Ca(Mn, Mg, Fe)(CO3 )2
kyanite
Ky
Al2 (SiO4 )O
larnite
Lrn
Ca2 (SiO4 )
laumontite
Lmt
CaAl2 (Si4 O12 )· 4H2 O
lawsonite
Lws
CaAl2 (Si2 O7 )(OH)2 · H2 O
lazulite
Lzl
MgAl2 (PO4 )2 (OH)2
lazurite
Lzr
Na6 Al2 (Al6 Si6 O24 )[SO4 ,S,Cl,(OH)]2
lepidolite
Lpd
K(Li,Al)3 [(Al,Si)4 O10 ](OH,F)2
leucite
Lct
KAl(Si2 O6 )
limonite
Lm
FeO(OH)·nH2 O
liquid
Liq
lizardite
Lz
Mg3 (Si2 O5 )(OH)4
löllingite (loellingite)
Lo
FeAs2
maghemite
Mgh
Fe2 O3
magnesio-arfvedsonite
Marf
Na(Na2 )(Mg4 Fe+3 )(Si8 O22 )(OH)2
magnesiocarpholite
Mcar
MgAl(Si2 O6 )(OH)4
magnesioferrite
Mfr
MgFe+3 2 O4
magnesiohastingsite
Mhs
NaCa2 [(Mg,Fe)4 Fe+3 ](Al2 Si6 O22 )(OH)2
magnesiohornblende
Mhb
Ca2 [(Mg,Fe)4 Al](AlSi7 O22 )(OH)2
magnesiokatophorite
Mkt
Na[NaCa][(Mg,Fe)4 Al](AlSi7 O22 )(OH)2
magnesioriebeckite
Mrbk
Na2 (Mg3 Fe+3 2 )(Si8 O22 )(OH)2
magnesiosadanagaite
Msdg
Na(Ca2 )(Mg3 Al2 )(Al3 Si5 O22 )(OH)2
magnesiostaurolite
Mst
Mg(Mg,Li)3 (Al,Mg)18 (Si8 O44 )(OH)4
magnesiotaramite
Mtm
Na(CaNa)(Mg3 AlFe+3 )(Al2 Si6 O22 )(OH)2
magnesiowustite
Mws
(Mg,Fe)O
magnesite
Mgs
MgCO3
magnetite
Mag
Fe+2 Fe+3 2 O4
majorite
Maj
Mg3 (Fe,Al,Si)2 (SiO4 )3
malachite
Mlc
Cu2 (CO3 )(OH)2
manganosite
Mng
MnO
marcasite
Mrc
FeS2
margarite
Mrg
CaAl2 (Al2 Si2 O10 )(OH)2
marialite
Mar
Na(AlSi3 O8 )· NaCl
meionite
Mei
Ca(Al2 Si2 O8 )· CaCO3
melilite
Mll
(Ca,Na)2 (Al,Mg,Fe)[(Al,Si)SiO7 ]
merwinite
Mw
Ca3 Mg(SiO4 )2
mesolite
Mes
Na2 Ca2 Al6 Si9 O30 · 8H2 O
microcline
Mc
K(AlSi3 O8 )
millerite
Mlr
NiS
minnesotaite
Mns
Fe3 (Si4 O10 )(OH)2
moganite
Mog
SiO2
molybdenite
Mol
MoS2
monazite
Mnz
(Ce, La, Nd, Td)PO4
monticellite
Mtc
CaMg(SiO4 )
montmorillonite
Mnt
(Na, Ca)0.3 (Al,Mg)2 (Si4 O10 )(OH)2 · nH2 O
mordenite
Mor
(Ca, Na2 ,K2 )(Al2 Si10 O24 )· 7H2 O
mullite
Mul
Al6 Si2 O13
muscovite
Ms
KAl2 (AlSi3 O10 )(OH,F)2
natrolite
Ntr
Na2 (Al2 Si3 O10 )· 2H2 O
nepheline
Nph
(Na,K)(AlSiO4 )
norbergite
Nrb
Mg3 (SiO4 )(F,OH)2
nosean
Nsn
Na8 (Al6 Si6 O24 )(SO4 )· H2 O
nybøite
Nyb
NaNa2 (Mg3 Al2 )(AlSi7 O22 )(OH)2
olivine
Ol
Mineral Group
omphacite
Omp
(Ca,Na)(Mg,Fe,Al)(Si2 O6 )
opal
Opl
(SiO2 )· nH2 O
opaque mineral
Opq
Mineral Type
orpiment
Orp
As2 S3
orthoamphibole
Oam
Amphibole Group
orthoclase
Or
K(AlSi3 O8 )
orthoenstatite
Oen
Mg2 (Si2 O6 )
orthopyroxene
Opx
Pyroxene Group
osumilite
Osm
(K,Na)(Fe,Mg)2 (Al,Fe+3 )3 [(Si,Al)12 O30 ]
palygorskite
Plg
(Mg,Al)2 (Si4 O10 )(OH)· 4H2 O
paragonite
Pg
NaAl2 (AlSi3 O10 )(OH)2
pargasite
Prg
NaCa2 (Mg4 Al)(Al2 Si6 O22 )(OH)2
pectolite
Pct
NaCa2 H(SiO3 )3
pentlandite
Pn
(Fe,Ni)9 S8
periclase
Per
MgO
perovskite
Prv
CaTiO3
petalite
Ptl
Li(AlSi4 O10 )
phase A
PhA
Mg7 Si2 O8 (OH)6
phengite
Ph
Mica Group
phillipsite
Php
(K,Na,Ca)1‒ 2 [(Si,Al)8 O16 ]· 6H2 O
phlogopite
Phl
KMg3 (AlSi3 O10 )(OH)2
piemontite
Pmt
Ca2 (Al,Mn+3 , Fe+3 )3 (SiO4 )(Si2 O7 )O(OH)
pigeonite
Pgt
(Mg,Fe,Ca)(Mg,Fe)(Si2 O6 )
plagioclase
Pl
Feldspar Group
prehnite
Prh
Ca2 Al2 (Si3 O10 )(OH)2
prismatine
Prm
(Fe,Mg)(Mg,Al,Fe)5 Al4 Si2 (Si,Al)2 (B,Si,Al)(O,OH,F)22
pseudobrookite
Psb
Fe2 TiO5
pumpellyite-(Fe+2 )
Pmp
Ca2 (Fe,Mg)Al2 (SiO4 )(Si2 O7 )(OH,O)2 · H2 O
pyrite
Py
FeS2
pyrochlore
Pcl
(Ca,Na)2 Nb2 O6 (OH, F)
pyrope
Prp
Mg3 Al3 (SiO4 )3
pyrophanite
Pph
MnTiO3
pyrophyllite
Prl
Al2 (Si4 O10 )(OH)2
pyroxferroite
Pxf
(Fe,Mn,Ca)(SiO3 )
pyroxmangite
Pxm
Mn(SiO3 )
pyrrhotite
Po
Fe(1‒ X) S (X = 0 to 0.17)
qandilite
Qnd
(Mg, Fe)2 (Ti, Fe+3 , Al)O4
quartz
Qz
SiO2
rankinite
Rnk
Ca(Si2 O7 )
realgar
Rlg
AsS
rhodochrosite
Rds
MnCO3
rhodonite
Rdn
(Mn,Fe,Mg,Ca)(SiO3 )
richterite
Rct
Na(NaCa)(Mg5 )(Si8 O22 )(OH)2
riebeckite
Rbk
Na2 (Fe+2 3 Fe+3 2 )(Si8 O22 )(OH)2
ringwoodite
Rwd
(Mg,Fe)2 (SiO4 )
roedderite
Rdr
(Na,K)2 (Mg,Fe)5 Si12 O30
rossmanite
Rsm
(LiAl2 )Al6 (Si6 O18 )(BO3 )3 (OH)4
rutile
Rt
TiO2
sadanagaite
Sdg
Na(Ca2 )(Mg3 Al2 )(Al3 Si5 O22 )(OH)2
sanidine
Sa
(K,Na)(AlSi3 O8 )
saponite
Sap
(Ca0.5 , Na)0.3 (Mg,Fe)3 [(Si,Al)4 O10 ](OH)2 · 4H2 O
sapphirine
Spr
(Al,Mg)8 (Al,Si)6 O20
scapolite
Scp
Mineral Group
scheelite
Sch
CaWO4
schorl
Srl
NaFe3 Al6 (BO3 )3 (Si6 O18 )(OH)4
schreibersite
Scb
(Fe,Ni)3 P
sepiolite
Sep
Mg4 (Si6 O15 )(OH)2 · 6H2 O
sericite
Ser
Fine-grained white mica
serpentine
Srp
Mineral Group
siderite
Sd
FeCO3
sillimanite
Sil
Al2 (SiO4 )O
smectite
Sme
Clay Mineral Group
sodalite
Sdl
Na8 Al6 (Si6 O24 )Cl2
spessartine
Sps
Mn3 Al2 (SiO4 )3
sphalerite
Sp
(Zn,Fe)S
sphene (titanite)
Spn
CaTi(SiO5 )
spinel
Spl
MgAl2 O4
spodumene
Spd
Li(AlSi2 O6 )
spurrite
Spu
Ca5 (SiO4 )2 (CO3 )
staurolite
St
(Fe,Mg)2 Al9 [Si4 O16 ]O7 (OH)
stevensite
Stv
(Ca0.5 ,Na)0.3 Mg3 (Si4 O10 )(OH)2
stilbite
Stb
NaCa2 Al5 Si13 O36 · 14H2 O
stilpnomelane
Stp
K(Fe+2 ,Mg,Fe+3 )8 (Si,Al)12 (O,OH)27 · nH2 O
stishovite
Sti
SiO2
strontianite
Str
SrCO3
sudoite
Sud
Mg2 Al3 (AlSi3 O10 )(OH)8
sylvite
Syl
KCl
taenite (γ -Fe,Ni)
Tae
(Fe,Ni)
talc
Tlc
Mg3 (Si4 O10 )(OH)2
taramite
Trm
Na(CaNa)(Mg3 Al2 )(Al2 Si6 O22 )(OH)2
tennantite
Tnt
(Cu,Ag,Zn,Fe)12 As2 S13
tenorite
Tnr
CuO
tephroite
Tep
Mn2 (SiO4 )
tetrahedrite
Ttr
(Cu,Fe,Ag,Zn)12 Sb4 S13
thomsonite
Thm
NaCa2 (Al5 Si5 O20 )· 6H2 O
thorite
Thr
(Th,U)(SiO4 )
tilleyite
Tly
Ca5 (Si2 O7 )(CO3 )2
titanite (sphene)
Ttn
CaTi(SiO5 )
topaz
Tpz
Al2 (SiO4 )(F,OH)2
tourmaline
Tur
Mineral Group
tremolite
Tr
Ca2 Mg5 (Si8 O22 )(OH)2
tridymite
Trd
SiO2
troilite
Tro
FeS2
tschermakite
Ts
(Ca2 )(Mg3 Al2 )(Al2 Si6 O22 )(OH)2
ulvöspinel
Usp
TiFe2 O4
uraninite
Urn
UO2
uvarovite
Uv
Ca3 Cr2 (SiO4 )3
vaterite
Vtr
CaCO3
vermiculite
Vrm
(Mg,Fe+3 , Al)3 [(Si,Al)4 O10 ](OH)2 · 4H2 O
vesuvianite
Ves
Ca10 Mg2 Al4 (SiO4 )5 (Si2 O7 )2 (OH)4
wadsleyite
Wds
β ‒ (Mg,Fe)2 (SiO4 )
wagnerite
Wag
(Mg,Fe)2 (PO4 )F
wairakite
Wrk
CaAl2 (Si4 O12 )· 2H2 O
wavellite
Wav
Al3 (PO4 )2 (OH,F)3 · 5H2 O
whitlockite
Wht
Ca9 (Mg,Fe)(PO4 )6 (PO3 OH)
willemite
Wlm
Zn2 (SiO4 )
winchite
Wnc
(CaNa)(Mg4 Al)(Si8 O22 )(OH)2
witherite
Wth
BaCO3
wollastonite
Wo
Ca(SiO3 )
wurtzite
Wur
(Zn,Fe)S
wüstite
Wus
FeO
xenotime
Xtm
YPO4
xonotlite
Xon
Ca6 (Si6 O17 )(OH)2
yugawaralite
Yug
CaAl2 (Si6 O16 )· 4H2 O
zeolite
Zeo
Mineral Group
zinnwaldite
Znw
KLiFeAl(AlSi3 O10 )(OH,F)2
zircon
Zrn
Zr(SiO4 )
zoisite
Zo
Ca2 Al3 (SiO4 )(Si2 O7 )O(OH)