Paragenetic Mode 3 : Solar nebular condensates (CAIs, AOAs, URIs)
Return to the list of paragentic modesDescription
Initial mineral formation occurred as nebular gas-cooled and highly refractory phases condensed at temperatures greater than ~1000 K.
Age: >4.565 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 |
|---|
| Addibischoffite | Ca2Al6Al6O20 | Triclinic |
| Åkermanite | Ca2Mg[Si2O7] | Tetragonal |
| Allendeite | Sc4Zr3O12 | Trigonal |
| Anorthite | Ca(Al2Si2O8) | Triclinic |
| Anosovite | Ti3O5 | |
| Baddeleyite | ZrO2 | Monoclinic |
| Baghdadite | Ca6Zr2(Si2O7)2O4 | Monoclinic |
| Brownleeite | MnSi | Isometric |
| Burnettite | CaVAlSiO6 | Monoclinic |
| Corundum | Al2O3 | Trigonal |
| Davisite | CaScAlSiO6 | Monoclinic |
| Dmisteinbergite | Ca(Al2Si2O8) | Trigonal |
| Eringaite | Ca3Sc2(SiO4)3 | Isometric |
| Fassaite | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] | |
| Forsterite | Mg2SiO4 | Orthorhombic |
| Gehlenite | Ca2Al[AlSiO7] | Tetragonal |
| Grossite | CaAl4O7 | Monoclinic |
| Hexamolybdenum | (Mo,Ru,Fe,Ir,Os) | Hexagonal |
| Hibonite | CaAl12O19 | Hexagonal |
| Ice | H2O | Hexagonal |
| Iron | Fe | Isometric |
| Kaitianite | Ti3+2Ti4+O5 | Monoclinic |
| Kangite | (Sc,Ti,Al,Zr,Mg,Ca,□)2O3 | Isometric |
| Khamrabaevite | (Ti,V,Fe)C | Isometric |
| Krotite | CaAl2O4 | Monoclinic |
| Lakargiite | Ca(Zr,Sn,Ti)O3 | Orthorhombic |
| Machiite | Al2Ti3O9 | Monoclinic |
| Mellite | Al2[C6(COO)6]·16H2O | Tetragonal |
| Monipite | MoNiP | Hexagonal |
| Osbornite | TiN | Isometric |
| Osmium | (Os,Ir,Ru) | Hexagonal |
| Panguite | (Ti,Al,Sc,Mg,Zr,Ca)1.8O3 | Orthorhombic |
| Paqueite | Ca3TiSi2(Al,Ti,Si)3O14 | Trigonal |
| Perovskite | CaTiO3 | Orthorhombic |
| Quartz | SiO2 | Trigonal |
| Rhönite | Ca4[Mg8Fe3+2Ti2]O4[Si6Al6O36] | Triclinic |
| Rubinite | Ca3Ti3+2Si3O12 | Isometric |
| Ruthenium | (Ru,Ir) | Hexagonal |
| Rutile | TiO2 | Tetragonal |
| Spinel | MgAl2O4 | Isometric |
| Taenite | (Fe,Ni) | Isometric |
| Tazheranite | (Zr,Ti,Ca)(O,◻)2 | Isometric |
| Thortveitite | Sc2Si2O7 | Monoclinic |
| Tistarite | Ti3+2O3 | Trigonal |
| Warkite | Ca2Sc6Al6O20 | Triclinic |
| Zirconolite | CaZrTi2O7 | Orthorhombic |
| Zirkelite | (Ti,Ca,Zr)O2-x | Isometric |
| Element | Count | Percent |
|---|
| H | Hydrogen | 2 | 4.26% |
| C | Carbon | 2 | 4.26% |
| N | Nitrogen | 1 | 2.13% |
| O | Oxygen | 38 | 80.85% |
| Na | Sodium | 1 | 2.13% |
| Mg | Magnesium | 6 | 12.77% |
| Al | Aluminium | 18 | 38.30% |
| Si | Silicon | 16 | 34.04% |
| P | Phosphorus | 1 | 2.13% |
| Ca | Calcium | 23 | 48.94% |
| Sc | Scandium | 7 | 14.89% |
| Ti | Titanium | 17 | 36.17% |
| V | Vanadium | 2 | 4.26% |
| Mn | Manganese | 1 | 2.13% |
| Fe | Iron | 6 | 12.77% |
| Ni | Nickel | 2 | 4.26% |
| Zr | Zirconium | 8 | 17.02% |
| Mo | Molybdenum | 2 | 4.26% |
| Ru | Ruthenium | 3 | 6.38% |
| Sn | Tin | 1 | 2.13% |
| Os | Osmium | 2 | 4.26% |
| Ir | Iridium | 3 | 6.38% |
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
