59 Pr 140.908

Praseodymium

lanthanide · Group 3 · Period 6

Atomic properties

Atomic number
59
Z
Atomic weight
140.908[1]
g/mol
Density
6.77 g/cm³
at STP
Melting point
935 °C
at 1 atm
Boiling point
3520 °C
at 1 atm
Crystal structure
hexagonal
Electron config.
[Xe] 4f³ 6s²
Oxidation states
+3
most common

Market data

No tradeable futures market for Pr on Yahoo / Stooq. Live market data is not available; pricing in this page is based on contract reference figures from the source documents.

Raw material sources & pricing

Raw Material FormGrade/Pr ContentPrice Paid by RefinersMajor SourcesNotes
Bastnäsite Concentrate60-70% REO (4-5% Pr)$8-15/kg REOChina (Bayan Obo), USA (Mountain Pass)Easier to process than monazite
Monazite Concentrate55-65% REO (4-5% Pr)$6-12/kg REOAustralia, India, Brazil, USAContains thorium (radioactive)
Ion-adsorption Clay0.05-0.2% REO$40-80/kg REOSouthern China, MyanmarHigh heavy REE content
Mixed RE Carbonate45-50% REO (4-5% Pr)$12-20/kg REOVariousIntermediate product
Primary Ore Sources

Current Market Price (Pr₆O₁₁): $95-97/kg (June 2025) Major Ore Minerals: Bastnäsite (REECO₃F): Primary source globally - contains 4-5% Pr Monazite (REEPO₄): Secondary source - contains 4-5% Pr Ion-adsorption clays: Growing source in China - lower grade but easier processing 2025 Global Rare Earth Production: China: 210,000 MT REO (70% of global production) USA: 42,000 MT REO (MP Materials) Australia: 30,000 MT REO (Lynas) Myanmar: 35,000 MT REO Others: 33,000 MT REO Raw Material Form Grade/Pr Content Price Paid by Refiners Major Sources Notes Bastnäsite Concentrate 60-70% REO (4-5% Pr) $8-15/kg REO China (Bayan Obo), USA (Mountain Pass) Easier to process than monazite Monazite Concentrate 55-65% REO (4-5% Pr) $6-12/kg REO Australia, India, Brazil, USA Contains thorium (radioactive) Ion-ads

⚠️ Seawater Praseodymium Extraction

Commercial Viability: NOT VIABLE Concentration: ~0.0000006 ppm (extremely low) Status: No commercial seawater praseodymium extraction exists. Unlike lithium or magnesium, rare earth elements including praseodymium are present in seawater at concentrations far too low for economic extraction. Note: All commercial praseodymium production comes from mining rare earth minerals from hard rock or clay deposits.

Production cost analysis

Cost Component$/kg Pr₆O₁₁% of Total CostNotes
Mining & Beneficiation$15-2520-30%Varies by ore type and location
Chemical Processing$20-3525-35%Acid/alkali digestion, leaching
Separation (SX)$25-4030-40%Solvent extraction cycles
Energy$5-107-10%Electricity and fuel
Labor & Overhead$5-128-12%Varies by country
Total Production Cost$70-122100%Compare to selling price: $95-97/kg

Energy consumption breakdown

Process StageEnergy Consumption% of Total EnergyEnergy TypeKey Operations
Mining & Crushing20-30 MJ/kg10-15%Diesel/ElectricityDrilling, blasting, crushing, grinding
Beneficiation & Concentration30-50 MJ/kg20-25%ElectricityFlotation, magnetic separation, gravity separation
Chemical Treatment40-70 MJ/kg25-30%Natural Gas/SteamRoasting (500-700°C), acid/alkali digestion
Solvent Extraction50-80 MJ/kg30-35%Electricity/SteamMultiple SX cycles, mixing, phase separation
Precipitation & Calcination10-20 MJ/kg5-10%Natural GasOxalate precipitation, calcination (800-900°C)
Bastnäsite Processing Route

Roasting: 500-700°C to oxidize Ce³⁺ to Ce⁴⁺ HCl Leaching: Dissolves trivalent REEs including Pr Solvent Extraction: 20-50 stages for Pr separation Precipitation: As oxalate or carbonate Calcination: 800-900°C to form Pr₆O₁₁

Monazite Processing Route

Alkali Digestion: 70% NaOH at 140-150°C Thorium Removal: Selective precipitation Acid Dissolution: HCl or HNO₃ Solvent Extraction: Similar to bastnäsite route Final Processing: To oxide form

Commercial forms & specifications

Product FormChemical FormulaMolecular WeightTypical PurityPrice Range (USD/kg)Main Applications
Praseodymium OxidePr₆O₁₁1021.44 g/mol99.5-99.99%$95-97Magnets, ceramics, glass
Praseodymium MetalPr140.91 g/mol99-99.9%$180-250Alloys, magnets
Praseodymium FluoridePrF₃197.90 g/mol99-99.9%$120-180Optical materials, lasers
Praseodymium ChloridePrCl₃·6H₂O355.36 g/mol99-99.9%$80-120Catalysts, chemical synthesis
Praseodymium NitratePr(NO₃)₃·6H₂O435.01 g/mol99-99.9%$75-110Catalysts, glass coloring
Praseodymium CarbonatePr₂(CO₃)₃·8H₂O605.96 g/mol99-99.5%$85-115Ceramics, catalysts
Pr-Nd Oxide (75:25)(Pr,Nd)₂O₃~329 g/mol99.5%$55-57NdFeB magnets
Praseodymium AcetatePr(CH₃COO)₃318.04 g/mol99-99.9%$150-220Catalysts, research
Nano Pr₆O₁₁ PowderPr₆O₁₁1021.44 g/mol99.9%$250-500Advanced ceramics, catalysts
Praseodymium SulfatePr₂(SO₄)₃·8H₂O714.12 g/mol99-99.5%$70-100Chemical processing

Suppliers by country

🇨🇳 China

CompanyProduct FormsSpecialties
China Northern Rare EarthPr oxide, metal, compounds, Pr-Nd oxideWorld's largest integrated rare earth producer
China Minmetals Rare EarthPr oxide, fluoride, separated productsSouthern China ion-adsorption clays
Shenghe ResourcesPr oxide, mixed RE productsIntegrated supply chain, minority stake in MP Materials
Xiamen TungstenPr compounds, high-purity productsDownstream rare earth products

🇦🇺 Australia

CompanyProduct FormsSpecialties
Lynas Rare EarthsPr oxide, Pr-Nd oxide, separated productsLargest RE producer outside China, Malaysia processing
Iluka ResourcesMonazite concentrate (contains Pr)Developing Eneabba RE refinery

🇺🇸 United States

CompanyProduct FormsSpecialties
MP MaterialsRE concentrate, developing separated productsMountain Pass mine, building separation capacity
Energy FuelsMixed RE carbonate (contains Pr)Processing monazite from mineral sands
USA Rare EarthPlanning separated productsDeveloping Round Top project in Texas

🇲🇲 Myanmar

CompanyProduct FormsSpecialties
Various small producersMixed RE concentrateIon-adsorption clay mining, exports to China

🇻🇳 Vietnam

CompanyProduct FormsSpecialties
Vietnam Rare Earth JSCRE concentrates, planning separationDong Pao deposit development

🇧🇷 Brazil

CompanyProduct FormsSpecialties
Serra VerdePlanning mixed RE productsIon-adsorption clay project

Moles per kilogram

Product FormFormulaMW (g/mol)Moles/kg
Praseodymium MetalPr140.917.10
Praseodymium(III,IV) OxidePr₆O₁₁1021.440.98
Praseodymium FluoridePrF₃197.905.05
Praseodymium Chloride (hydrated)PrCl₃·6H₂O355.362.81
Praseodymium Nitrate (hydrated)Pr(NO₃)₃·6H₂O435.012.30
Praseodymium Carbonate (hydrated)Pr₂(CO₃)₃·8H₂O605.961.65

References

No citations on this page yet. References will appear here once enrichment runs.

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