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mineralogy
elements
Pr praseodymium
Pr - praseodymium - METAL LANTHANIDES
Synthetic
Radioactive
Liquid
Gaseous
Electronic configuration diagram
| Name | praseodymium |
| Number | 59 |
| Atomic | 140.90766 |
| Symbol | Pr |
| Fusion | 931 |
| Boiling | 3212 |
| Density | 6.773 |
| Period | 6 |
| Group | 0 |
| Discovery | 1885 von Welsbach |
| Abundance | 9.2 |
| Radius | 2.7 |
| Electronegativity | 1.13 |
| Ionization | 5.473 |
| Number of isotopes | 15 |
| Electronic configuration | [Xe] 4f3 6s2 |
| Oxidation states | 2,3,4 |
| Electron by energy level | 2,8,18,21,8,2 |
| Mineral | Hardness | Density | Formula |
| 6.00 / 6.00 | 3.93 | CaLaAl2Fe2+(Si2O7)(SiO4)O(OH) | |
| 5.00 / 5.00 | 4.68 | (Ce,Ca)9Al(SiO4)3(SiO3OH)4(OH)3 | |
| 2.00 / 3.00 | 3.80 | Cu2Ce2(UO2)(CO3)5(OH)2·1.5H2O | |
| 5.00 / 5.00 | 4.76 | Ce2Fe2+Si2O7(CO3) | |
| 3.00 | (Na,H2O)6(Ce,REE)3Be5MnSi9(O,OH)30F4 | ||
| 3.00 / 3.00 | 3.33 | Cu2+6Ca(PO4)2(PO3OH)(OH)6·3H2O | |
| 5.00 / 5.00 | 3.14 | (Na)12(Na,Ce)3Ca6Mn3Zr3NbSi25O73(OH)3(CO3)·H2O | |
| 5.00 / 5.00 | 4.70 | (La,Ce,Ca)9(Fe3+,Ca,Mg)(SiO4)3(SiO3OH)4(OH)3 | |
| 3.50 / 4.00 | 2.42 | Ca3NdAl2SO4F13·12H2O | |
| 4.00 / 4.00 | 3.64 | Y4Cu(CO3)4Cl(OH)5·2H2O | |
| 6.50 / 7.00 | 3.79 | CaLaMgAl2(Si2O7)(SiO4)O(OH) | |
| 5.00 / 5.00 | 3.68 | Na2Ba6Ce2Fe2+Ti3Si12O36(OH)10·nH2O | |
| 5.00 / 5.00 | 3.54 | Na3SrLaFe2+Si6O17 | |
| 5.00 / 5.00 | 4.66 | (Ce,Ca)5(SiO4)3F | |
| 5.50 / 5.50 | 4.20 | (Ca,REE)5(SiO4,PO4)3F | |
| 2.00 / 3.00 | CaCe2(CO3)4·H2O | ||
| 6.00 / 7.00 | 4.51 | (Ca,Ce)4(Al,Mg,Fe)4(Si2O7)(SiO4)3(O,F,OH)3 | |
| 6.50 | LaOF | ||
| 5.00 / 6.00 | 4.28 | BeCe(SiO4)(OH) | |
| 5.00 / 6.00 | BeY(SiO4)(OH) | ||
| 4.00 / 4.00 | 3.60 | (Ba,Na)10K3Na4.5Ce5(Nb,Ti)6O6(Si12O36)(Si9O18)(O,OH)24 | |
| 5.00 / 6.00 | 3.20 | Na12Ce3Ca6Mn3Zr3WSi25O73(CO3)(OH)2 | |
| 4.16 | LaCO3(OH) | ||
| 4.77 | NdCO3(OH) | ||
| 4.00 / 4.00 | 4.65 | Ba2La(CO3)3F | |
| 5.00 / 5.00 | 4.10 | NaBa2La2Fe2+Ti2Si8O26(OH,O,F)·H2O | |
| 4.00 / 4.00 | (La,Ca,Na,Sr)6Cu(CO3)8 | ||
| 6.00 / 6.00 | 5.21 | Ce2Si2O7 | |
| 3.00 / 3.00 | 3.69 | Na4Ce2(CO3)5 | |
| 5.50 / 6.00 | Ca8Ce2AlLiSi6B8O36(OH)2 | ||
| 3.00 / 3.00 | 3.74 | Cu2+6(Pb,La,Nd,Ce,Ca)(AsO4)3(OH)6·3H2O | |
| 5.50 / 6.00 | 4.75 | (Ce,Ca)4MgCr2(Ti,Nb)2Si4O22 | |
| 3.00 / 4.00 | BaCe(CO3)2F | ||
| 5.00 / 6.00 | 7.03 | YbNbO4 | |
| 3.00 / 3.00 | Na3LaSi6O15·2H2O | ||
| 3.00 / 3.00 | 4.08 | Na2Ce2TiO2SiO4(CO3)2 | |
| 5.00 / 6.00 | 4.19 | Mn2+CeAl2Fe2+(Si2O7)(SiO4)O(OH) | |
| 6.00 / 6.00 | 4.51 | Ce3CaMg2Al2Si5O19(OH)2F | |
| 4.00 / 4.00 | 4.70 | LaVO4 | |
| CeAl(SO4)2(C2O4)·12H2O |
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