disodium tetratantalum undecaoxide) Iseite (nolanite: IMA2012-020) 4.CB.40 [no] (IUPAC: dimanganese trimolybdenum octaoxide) Ishiharaite (sphalerite: IMA2013-119) 2.0 [no] [no] () Ishikawaite (Y: 1922) 4.DB.25 IsoclasiteQ (Y: 1870) 8.DN.10 [no] [no] (IUPAC: dicalcium hydro phosphate dihydrate) Isocubanite (sphalerite: IMA1983-E) 2.CB.55b (IUPAC: copper diiron trisulfide) Isoferroplatinum (auricupride: IMA1974-012a) 1.AG.35 (IUPAC: triplatinum iron alloy) Isokite (titanite: 1955) 8.BH.10 (IUPAC: calcium magnesium fluoro phosphate) Isolueshite (oxide perovskite: IMA1995-024) 4.CC.35 (IUPAC: sodium niobium trioxide) Isomertieite (IMA1973-057) 2.AC.15a (IUPAC: undecapalladium diantimonide diarsenide) Isovite (carbide: IMA1996-039) 1.BA.10 [no] (IUPAC: tricosa(chromium,iron) hexacarbide) Isselite (IMA2018-139) 7.0 [no] [no] Itelmenite (IMA2015-047) 7.0 [no] [no] (IUPAC: tetrasodium trimagnesium tricopper octasulfate) Itoigawaite (lawsonite: IMA1998-034) 9.BE.05 [no] Itoite (IMA1962 s.p.) 7.BD.50 (IUPAC: trilead germanium dihydro dioxodisulfate) Itsiite (hyalotekite: IMA2013-085) 9.0 [no] (IUPAC: dibarium calcium di(boroheptaoxodisilicate)) Ivanyukite series 9.0 [Ti4O2(OH)2(SiO4)3], pharmacosiderite structural group Ivanyukite-Cu (IMA2007-043) 9.0 [no] Ivanyukite-K (IMA2007-042) 9.0 [no] Ivanyukite-Na (IMA2007-041) 9.0 [no] Ivsite (IMA2013-138) 7.0 [no] [no] (IUPAC: trisodium hydrogen disulfate) Iwakiite (IMA1974-049) 4.BB.10 (IUPAC: manganese(II) diiron(III) tetraoxide) Iwashiroite-(Y) (IMA2003-053) 7.GA.10 (IUPAC: yttrium tetraoxotantalate) Iwateite (aphthitalite: IMA2013-034) 8.0 [no] (IUPAC: disodium barium manganese diphosphate) Ixiolite (columbite: IMA1962 s.p., 1857 Rd) 4.DB.25 Iyoite (atacamite: IMA2013-130) 3.0 [no] [no] (IUPAC: manganese copper trihydro chloride) Izoklakeite (kobellite: IMA1983-065) 2.HB.10b () External links IMA Database of Mineral Properties/ RRUFF Project Mindat.org - The Mineral Database Webmineral.com Mineralatlas.eu minerals I