62 Sm 150.36
Atomic properties
Atomic number
62
Z
Density
7.52 g/cm³
at STP
Melting point
1072 °C
at 1 atm
Boiling point
1794 °C
at 1 atm
Crystal structure
rhombohedral
Electron config.
[Xe] 4f⁶ 6s²
Oxidation states
+2, +3
most common
Market data
No tradeable futures market for Sm on Yahoo / Stooq. Live market data is
not available; pricing in this page is based on contract reference figures from
the source documents.
Commercial forms & specifications
| Product Form | Chemical Formula | Molecular Weight | Typical Purity | Price Range (USD/kg) | Main Applications |
|---|---|---|---|---|---|
| Samarium Metal | Sm | 150.36 g/mol | 99.9-99.99% | $85-150 | Magnets, nuclear reactors, alloys |
| Samarium Oxide | Sm₂O₃ | 348.72 g/mol | 99.9-99.999% | $35-60 | Optical glass, ceramics, catalysts |
| Samarium Cobalt (SmCo5) | SmCo₅ | 445.12 g/mol | 99.5-99.9% | $180-250 | Permanent magnets |
| Samarium Cobalt (Sm₂Co₁₇) | Sm₂Co₁₇ | 1301.56 g/mol | 99.5-99.9% | $200-280 | High-temp magnets |
| Samarium Nitrate | Sm(NO₃)₃·6H₂O | 444.47 g/mol | 99.9-99.99% | $45-80 | Catalysts, glass coloring |
| Samarium Chloride | SmCl₃·6H₂O | 364.81 g/mol | 99.9-99.99% | $50-90 | Catalysts, synthesis |
| Samarium Acetate | Sm(CH₃COO)₃·4H₂O | 399.54 g/mol | 99.9% | $60-100 | Catalysts, glass additives |
| Samarium Fluoride | SmF₃ | 207.36 g/mol | 99.9-99.99% | $75-120 | Optical materials, lasers |
| Samarium Carbonate | Sm₂(CO₃)₃·xH₂O | 480.75 g/mol (anhydrous) | 99.9% | $40-70 | Precursor for other compounds |
| Samarium Iodide | SmI₂ | 404.17 g/mol | 99.9% | $2,500-3,500 | Organic synthesis reagent |
| Samarium Hexaboride | SmB₆ | 215.23 g/mol | 99.5-99.9% | $450-650 | Thermionic cathodes |
| Samarium Sulfate | Sm₂(SO₄)₃·8H₂O | 732.96 g/mol | 99.9% | $45-75 | Separation processes |
Suppliers by country
🇨🇳 China
| Company | Product Forms | Specialties |
|---|---|---|
| China Northern Rare Earth Group | Metal, oxide, carbonate, chloride, SmCo magnets | Integrated rare earth producer, world's largest |
| China Rare Earth Holdings | Oxide, metal, magnetic materials | Separation and purification |
| Shenghe Resources | Oxide, metal, compounds | Mining and processing |
🇺🇸 United States
| Company | Product Forms | Specialties |
|---|---|---|
| MP Materials | Oxide, metal (planned), NdFeB and SmCo precursors | Mountain Pass mine operator |
| VAC (Vacuumschmelze) | SmCo magnets, magnetic assemblies | High-performance magnets |
| Neo Performance Materials | Metal, alloys, magnetic powders | Specialty materials, magnets |
🇦🇺 Australia
| Company | Product Forms | Specialties |
|---|---|---|
| Lynas Rare Earths | Oxide, carbonate | Non-China rare earth processing |
| Iluka Resources | Rare earth concentrate (contains Sm) | Heavy mineral sands, rare earth refinery |
🇪🇪 Estonia
| Company | Product Forms | Specialties |
|---|---|---|
| NPM Silmet (Neo Performance) | Metal, oxide, compounds | High-purity rare earth separation |
🇯🇵 Japan
| Company | Product Forms | Specialties |
|---|---|---|
| Shin-Etsu Chemical | SmCo magnets, magnetic compounds | High-grade magnetic materials |
| Santoku Corporation | Metal, alloys, compounds | High-purity rare earth materials |
🇲🇾 Malaysia
| Company | Product Forms | Specialties |
|---|---|---|
| Lynas Malaysia | Oxide, carbonate | Rare earth processing facility |
🇮🇳 India
| Company | Product Forms | Specialties |
|---|---|---|
| Indian Rare Earths Limited | Oxide, chloride | Integrated rare earth producer |
| Kerala Minerals and Metals | Oxide, compounds | Rare earth processing |
Market demand by product form
| Product Form | Global Market Size | USA Market | China Market | Growth Rate (CAGR) |
|---|---|---|---|---|
| Samarium Oxide | $280 million | 12% share | 65% share | 5.5% |
| SmCo Magnets | $1.8 billion | 25% share | 45% share | 6.8% |
| Samarium Metal | $120 million | 15% share | 55% share | 4.2% |
| Samarium Compounds (Other) | $85 million | 18% share | 50% share | 5.0% |
| Samarium Catalysts | $45 million | 22% share | 38% share | 7.5% |
| Optical Applications | $65 million | 20% share | 42% share | 4.8% |
| Nuclear Applications | $35 million | 30% share | 15% share | 3.5% |
| Research & Development | $25 million | 35% share | 25% share | 6.0% |
Market trends
Supply Chain Diversification: Major efforts to establish non-China supply chains, with US, Australia, and Europe investing heavily Electric Vehicle Impact: SmCo magnets gaining market share in EV motors due to high-temperature stability Defense Applications: Growing demand for SmCo magnets in military and aerospace due to temperature resistance Recycling Technology: New hydrometallurgical processes recovering 95%+ samarium from magnet waste Price Stabilization: Export quotas and environmental regulations in China affecting global pricing Quantum Computing: Research into samarium-based quantum materials driving high-purity demand
Moles per kilogram
| Product Form | Formula | MW (g/mol) | Moles/kg |
|---|---|---|---|
| Samarium Metal | Sm | 150.36 | 6.65 |
| Samarium Oxide | Sm₂O₃ | 348.72 | 2.87 |
| Samarium Cobalt (SmCo5) | SmCo₅ | 445.12 | 2.25 |
| Samarium Nitrate (hydrated) | Sm(NO₃)₃·6H₂O | 444.47 | 2.25 |
| Samarium Chloride (hydrated) | SmCl₃·6H₂O | 364.81 | 2.74 |
| Samarium Fluoride | SmF₃ | 207.36 | 4.82 |
| Samarium Iodide | SmI₂ | 404.17 | 2.47 |
References
No citations on this page yet. References will appear here once enrichment runs.
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Coverage notes
The following sections are thin or absent in the source document for this element. They will be filled by enrichment passes (NIST atomic, OSHA/NIOSH safety, USGS / IAI environmental).
- Missing section: Raw Material Sources
- Missing section: Production Cost
- Missing section: Energy Consumption