I Ianbruceite (IMA2011-049) 8.DA.50 [no] [no] Iangreyite (IMA2009-087) 8.DE.45 [no] Ianthinite (Y: 1926) 4.GA.10 (IUPAC: diuranium(IV) tetrauranyl tetrahydro hexaoxide nonahydrate) Ice (Ice Ih) (Y: old) 4.AA.05 Ice-VII (IMA2017-029) 4.AA. [no] [no] Ichnusaite (IMA2013-087) 7.0 [no] [no] (IUPAC: thorium dimolybdate trihydrate) Icosahedrite (quasicrystal: IMA2010-042) 1.0 [no] [no] () Idaite (stannnite: 1959) 2.CB.15a (IUPAC: tricopper iron tetrasulfide) Idrialite (Y: 1832) 10.BA.20 Igelströmite (IMA2021-035) 4.BC. [no] [no] Iimoriite-(Y) (IMA1967-033) 9.AH.05 (IUPAC: diyttrium tetraoxosilicate carbonate) Ikaite (IMA1962-005) 5.CB.25 (IUPAC: calcium carbonate hexahydrate) Ikranite (eudialyte: IMA2000-010) 9.CO.10 [no] Ikunolite (tetradymite: IMA1962 s.p., 1959) 2.DC.05 (IUPAC: tetrabismuth trisulfide) Ilesite (starkeyite: 1881) 7.CB.15 (IUPAC: manganese(II) sulfate tetrahydrate) Ilímaussite-(Ce) (IMA1965-025) 9.CB.15 Ilinskite (selenite: IMA1996-027) 4.JG.20 (IUPAC: sodium pentacopper trichloro dioxodiselenite) Ilirneyite (zemannite: IMA2015-046) 4.0 [no] [no] (Illite, mica series) Illoqite-(Ce) (nordite: IMA2021-021) 9.DO. [no] [no] Ilmajokite-(Ce) (IMA1971-027) 9.HB.05 Ilmenite (corundum: 1827) 4.CB.05 (IUPAC: iron(II) titanium(IV) trioxide) IlsemanniteQ (Y: 1871) 4.FJ.15 Iltisite (IMA1994-031) 2.FC.20b [no] (IUPAC: mercury silver chloro sulfide) Ilvaite (Y: 1811) 9.BE.07 (IUPAC: calcium iron(II) diron(III) oxoheptaoxodisilicate hydroxyl) Ilyukhinite (eudialyte: IMA2015-065) 9.C?. [no] [no] Imandrite (lovozerite: IMA1979-025) 9.CJ.15b Imayoshiite (ettringite: IMA2013-069) 6.0 [no] [no] (IUPAC: tricalcium aluminium carbonate hexahydro [tetrahydroborate] dodecahydrate) Imhofite (IMA1971 s.p., 1965) 2.HD.30 (Tl5.8As15.4S26) Imiterite (IMA1983-038) 2.BD.05 (IUPAC: disilver mercury disulfide) Imogolite (allophane: IMA1987 s.p., 1962 Rd) 9.ED.20 (IUPAC: dialuminium trioxosilicate tetrahydroxyl) Inaglyite (IMA1983-054) 2.DA.20 (IUPAC: lead tricopper octairidium hexadecasulfide) Incomsartorite (sartorite: IMA2016-035) 2.0 [no] [no] Inderborite (Y: 1941) 06.CA.25 Inderite (IMA1962 s.p., 1937) 6.CA.15 (IUPAC: magnesium pentahydro trioxotriborate pentahydrate) Indialite (beryl: 1954) 9.CJ.05 (IUPAC: dimagnesium trialuminium (aluminopentasilicate) octadecaoxy) Indigirite (IMA1971-012) 5.DA.10 (IUPAC: dimagnesium dialuminium dihydro tetracarbonate pentadecahydrate) Indite (spinel, linnaeite: IMA1967 s.p., 1963) 2.DA.05 (IUPAC: iron diindium tetrasulfide) Indium (element: IMA1968 s.p., 1964) 1.AC.05 Inesite (Y: 1887) 9.DL.05 Ingersonite (IMA1986-021) 4.DH.40 (IUPAC: tricalcium manganese(II) tetraantimony(V) tetradecaoxide) Ingodite (tetradymite: IMA1980-045) 2.DC.05 (IUPAC: dibismuth telluride sulfide) Innelite (seidozerite, lamprophyllite: IMA1962 s.p.) 9.BE.40 Innsbruckite (IMA2013-038) 9.0 [no] [no] Insizwaite (pyrite: IMA1971-031) 2.EB.05a (IUPAC: platinum dibismuthide) Intersilite (IMA1995-033) 9.EE.60 [no] Inyoite (Y: 1914) 6.CA.35 (IUPAC: calcium pentahydro trioxotriborate tetrahydrate) Iodargyrite (wurtzite: IMA1962 s.p., 1825) 3.AA.10 (IUPAC: silver iodide) Iowaite (hydrotalcite: IMA1967-002) 4.FL.05 (IUPAC: hexamagnesium diiron(III) dichloro hexadecahydroxide dihydrate) Iquiqueite (IMA1984-019) 6.H0.20 Iranite (iranite: IMA1980 s.p., 1963) 7.FC.15 Iraqite-(La) (steacyite: IMA1973-041) 9.CH.10 Irarsite (pyrite: IMA1966-028) 2.EB.25 (IUPAC: iridium sulfarsenide) Irhtemite (IMA1971-034) 8.CB.55 Iridarsenite (IMA1973-021) 2.AC.45b (IUPAC: iridium diarsenide) Iridium (element: IMA1991 s.p., 1804 Rd) 1.AF.10 Iriginite (Y: 1957) 4.GB.60 (IUPAC: uranyl dimolybdenum(VI) heptaoxide trihydrate) Irinarassite (garnet: IMA2010-073) 9.A?. [no] [no] Iron (iron: old) 1.AE.05 Irtyshite (IMA1984-025) 4.DJ.05 (IUPAC: