Rare Earths
Monazite Concentrate
Phosphate rare earth mineral rich in light rare earths
Product Overview
About Monazite Concentrate
Monazite is a rare earth phosphate mineral and one of the most important commercial sources of light rare earth elements - cerium, lanthanum, neodymium and praseodymium - together with recoverable thorium.
CriticalOre supplies monazite concentrate produced from heavy mineral sands operations in Southeast Asia. Because monazite naturally contains thorium and traces of uranium, every lot undergoes mandatory radiological testing, and we work only with buyers holding the appropriate licenses for import and processing.
Our team manages the complete compliance chain: laboratory analysis, IAEA-aligned transport classification, packaging, labeling and documentation.
Important: Radioactive Content Compliance
Monazite naturally contains thorium and uranium and is classified for transport purposes based on measured activity. Buyers must hold valid import and processing licenses for NORM (Naturally Occurring Radioactive Material) in their jurisdiction.
CriticalOre conducts gamma spectrometry and activity concentration testing on every lot, and ships only under compliant packaging, labeling and documentation aligned with IAEA transport regulations and destination-country requirements.
| Parameter | Typical Value | Notes |
|---|---|---|
| Total REO | 55% – 62% | - |
| Cerium Oxide (CeO₂) | ~45–50% of REO | - |
| Lanthanum Oxide (La₂O₃) | ~20–25% of REO | - |
| Neodymium Oxide (Nd₂O₃) | ~15–18% of REO | - |
| Thorium Oxide (ThO₂) | 4% – 7% | Radiological documentation required |
| Uranium (U₃O₈) | 0.1% – 0.4% | - |
| Moisture | < 3% | - |
Monazite composition varies by deposit. Exact assay per lot is confirmed by independent ICP-MS analysis before shipment.
Quality Testing
- Gamma spectrometry - activity concentration (Bq/g) per lot
- ICP-MS full rare earth element breakdown
- XRF pre-shipment screening at origin
- Moisture and particle size analysis
- Independent umpire analysis available at discharge port
Applications
Where Monazite Concentrate Is Used
Rare Earth Separation
Feedstock for solvent-extraction separation plants producing individual REOs.
Magnet Supply Chain
Source of Nd and Pr for NdFeB permanent magnet production.
Catalysts & Glass
Cerium and lanthanum for catalysts, polishing and specialty glass.
Thorium Research
Licensed research and advanced nuclear fuel-cycle programs.
Packaging & Export
Packaging, Shipping & Documentation
Packaging
- Sealed 1 MT jumbo bags with liner, radiation-labeled where required
- Steel drums for regulated lots per transport classification
- Dedicated sealed containers with survey report at loading
Export & Logistics
- Shipment only to licensed buyers - license verification required before contract
- IAEA-aligned transport documentation and dangerous goods declaration where applicable
- FOB Thailand or CIF major ports, subject to carrier acceptance
Buyer Requirements
- Valid NORM import / processing license in destination country
- End-use declaration for rare earth processing
- Company registration and trading history (KYC)
- Signed compliance undertaking prior to first shipment
Request for Quotation
Inquire About Monazite Concentrate
Send us your target specification, quantity and destination. Our commercial team responds within one business day with pricing and availability.
- Firm quotes with defined validity period
- COA and spec sheets provided before contract
- Samples available for qualified buyers
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