Paragenetic Mode 5 : Primary asteroid phases
Return to the list of paragentic modesDescription
Species that occur as primary igneous minerals in iron, stony-iron, and achondrite meteorites.
Age: 4.566–4.560 GaStage
Minerals
Click on a button to filter by elements. Green = must include. Black = must exclude. Mineral names listed in bold are exclusively known from this paragenetic mode.
| Mineral | Formula | Crystal System |
|---|
| Alabandite | MnS | Isometric |
| Albite | Na(AlSi3O8) | Triclinic |
| Anorthite | Ca(Al2Si2O8) | Triclinic |
| Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 | Monoclinic |
| Awaruite | Ni3Fe | Isometric |
| Baddeleyite | ZrO2 | Monoclinic |
| Barringerite | (Fe,Ni)2P | Hexagonal |
| Beusite | Mn2+Mn2+2 (PO4)2 | Monoclinic |
| Brezinaite | Cr3S4 | Monoclinic |
| Brianite | Na2CaMg(PO4)2 | Monoclinic |
| Browneite | MnS | Isometric |
| Buchwaldite | NaCa(PO4) | Orthorhombic |
| Buseckite | (Fe,Zn,Mn)S | Hexagonal |
| Carletonmooreite | Ni3Si | Isometric |
| Carlsbergite | CrN | Isometric |
| Caswellsilverite | NaCrS2 | Trigonal |
| Celsian | Ba(Al2Si2O8) | Monoclinic |
| Chladniite | Na3CaMg11(PO4)9 | Trigonal |
| Chlorapatite | Ca5(PO4)3Cl | Hexagonal |
| Chromite | Fe2+Cr3+2O4 | Isometric |
| Cohenite | Fe3C | Orthorhombic |
| Copper | Cu | Isometric |
| Corundum | Al2O3 | Trigonal |
| Cristobalite | SiO2 | Tetragonal |
| Czochralskiite | Na4Ca3Mg(PO4)4 | Orthorhombic |
| Daubréelite | Fe2+Cr3+2S4 | Isometric |
| Djerfisherite | K6(Fe,Cu,Ni)25S26Cl | Isometric |
| Edscottite | Fe5C2 | Monoclinic |
| Enstatite | Mg2Si2O6 | Orthorhombic |
| Eskolaite | Cr2O3 | Trigonal |
| Farringtonite | Mg3(PO4)2 | Monoclinic |
| Fassaite | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] | |
| Fluoro-richterite | {Na}{CaNa}{Mg5}(Si8O22)(F,OH)2 | Monoclinic |
| Forsterite | Mg2SiO4 | Orthorhombic |
| Geikielite | MgTiO3 | Trigonal |
| Graftonite | Fe2+Fe2+2(PO4)2 | Monoclinic |
| Graftonite-(Mn) | MnFe2+2(PO4)2 | Monoclinic |
| Graphite | C | Hexagonal |
| Grokhovskyite | CuCrS2 | Trigonal |
| Haxonite | (Fe,Ni)23C6 | Isometric |
| Hedenbergite | CaFe2+Si2O6 | Monoclinic |
| Heideite | (Fe,Cr)1.15(Ti,Fe)2S4 | Monoclinic |
| Hercynite | Fe2+Al2O4 | Isometric |
| Ice | H2O | Hexagonal |
| Ilmenite | Fe2+TiO3 | Trigonal |
| Iron | Fe | Isometric |
| Joegoldsteinite | MnCr2S4 | Isometric |
| Johnsomervilleite | Na3CaFe11(PO4)9 | Trigonal |
| Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 | Monoclinic |
| Kalininite | ZnCr2S4 | Isometric |
| Keilite | (Fe2+,Mg)S | Isometric |
| Kirschsteinite | CaFe2+SiO4 | Orthorhombic |
| Kosmochlor | NaCrSi2O6 | Monoclinic |
| Krinovite | Na2Mg4Cr3+2(Si6O18)O2 | Triclinic |
| Kuratite | Ca2(Fe2+5Ti)O2[Si4Al2O18] | Triclinic |
| Magnesiochromite | MgCr2O4 | Isometric |
| Magnetite | Fe2+Fe3+2O4 | Isometric |
| Marićite | NaFe2+(PO4) | Orthorhombic |
| Merrihueite | K(◻Na)Fe2+2Fe2+3[Si12O30] | Hexagonal |
| Merrillite | Ca9NaMg(PO4)7 | Trigonal |
| Moraskoite | Na2Mg(PO4)F | Orthorhombic |
| Naquite | FeSi | Isometric |
| Nickelphosphide | (Ni,Fe)3P | Tetragonal |
| Niningerite | (Mg,Fe2+,Mn2+)S | Isometric |
| Oldhamite | (Ca,Mg)S | Isometric |
| Osbornite | TiN | Isometric |
| Panethite | (Na,Ca)2(Mg,Fe2+)2(PO4)2 | Monoclinic |
| Pentlandite | (NixFey)Σ9S8 | Isometric |
| Perovskite | CaTiO3 | Orthorhombic |
| Perryite | (Ni,Fe)5(Si,P)2 | Trigonal |
| Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 | Monoclinic |
| Quartz | SiO2 | Trigonal |
| Roaldite | (Fe,Ni)4N | Isometric |
| Roedderite | K(◻Na)Mg2Mg3[Si12O30] | Hexagonal |
| Rutile | TiO2 | Tetragonal |
| Sanidine | K(AlSi3O8) | Monoclinic |
| Sarcopside | Fe2+3(PO4)2 | Monoclinic |
| Schreibersite | (Fe,Ni)3P | Tetragonal |
| Sinoite | Si2N2O | Orthorhombic |
| Sphalerite | ZnS | Isometric |
| Stanfieldite | Ca4Mg5(PO4)6 | Monoclinic |
| Suessite | (Fe,Ni)3Si | Isometric |
| Sylvite | KCl | Isometric |
| Taenite | (Fe,Ni) | Isometric |
| Tetrataenite | FeNi | Tetragonal |
| Tranquillityite | (Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12 | Hexagonal |
| Transjordanite | Ni2P | Hexagonal |
| Tridymite | SiO2 | Triclinic |
| Troilite | FeS | Hexagonal |
| Tsangpoite | Ca5(PO4)2(SiO4) | Hexagonal |
| Uakitite | VN | Isometric |
| Ulvöspinel | TiFe2+2O4 | Isometric |
| Yagiite | Na◻2Mg2Al3[Al2Si10O30] | Hexagonal |
| Zircon | Zr(SiO4) | Tetragonal |
| Element | Count | Percent |
|---|
| H | Hydrogen | 2 | 2.13% |
| C | Carbon | 4 | 4.26% |
| N | Nitrogen | 5 | 5.32% |
| O | Oxygen | 55 | 58.51% |
| F | Fluorine | 2 | 2.13% |
| Na | Sodium | 19 | 20.21% |
| Mg | Magnesium | 23 | 24.47% |
| Al | Aluminium | 10 | 10.64% |
| Si | Silicon | 30 | 31.91% |
| P | Phosphorus | 22 | 23.40% |
| S | Sulfur | 17 | 18.09% |
| Cl | Chlorine | 3 | 3.19% |
| K | Potassium | 5 | 5.32% |
| Ca | Calcium | 22 | 23.40% |
| Ti | Titanium | 11 | 11.70% |
| V | Vanadium | 1 | 1.06% |
| Cr | Chromium | 13 | 13.83% |
| Mn | Manganese | 7 | 7.45% |
| Fe | Iron | 41 | 43.62% |
| Ni | Nickel | 14 | 14.89% |
| Cu | Copper | 3 | 3.19% |
| Zn | Zinc | 3 | 3.19% |
| Y | Yttrium | 1 | 1.06% |
| Zr | Zirconium | 3 | 3.19% |
| Ba | Barium | 1 | 1.06% |
References
Hazen, Robert M., Morrison, Shaunna M. (2022) On the paragenetic modes of minerals: A mineral evolution perspective. American Mineralogist, 107 (7) 1262-1287 doi:10.2138/am-2022-8099
