Critical Metals says it has ‘cracked’ eudialyte hurdle, plans $2.2B a year refinery in Romania

Original announcement by miningcom on

Company
Critical Metals
Ticker
CRML
Exchange
Unavailable
Region
Greenland
Primary commodity
Rare earth
Secondary commodities
Zirconium, Hafnium, Niobium, Tantalum, Silica
Document categories
Metallurgy, Other
Extracted
2026-09-17 00:18:38 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Critical Metals has announced a patent-pending process that achieves >99% dissolution of eudialyte concentrate, overcoming a major metallurgical hurdle. The company plans to build a $2.2 billion-a-year refinery in Romania to process feedstock from its Tanbreez project in Greenland, targeting high-purity rare earth and critical metal products.

Reasoning: The announcement details a major metallurgical breakthrough for eudialyte processing and a large-scale refinery plan with strong projected economics.

Positive factors

  • High recovery (>99%) of eudialyte concentrate
  • Significant byproduct revenue from SiO2
  • Strong project economics (55% IRR, $4.5B NPV10)
  • Addresses major metallurgical hurdle (silica gel formation)

Negative factors

  • Projected refinery is in a different jurisdiction (Romania) than the resource (Greenland)
  • Projections are based on current modelling and subject to further metallurgical test work

Facts used in scoring: 4

Classification and evidence

High Recoverypositive

Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: The process dissolves more than 99% of eudialyte concentrate.

Evidence · text

“dissolves more than 99% of eudialyte concentrate”

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: the document describes a flotation route ("concentrate")

Multi-Domain Testedpositive

Variability across ore domains (oxide, transition, fresh) has been addressed.

Why it applies: 3 distinct composites were tested

Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

Metallurgical Results (4)

multistage, mixed-acid leachTanbreez · rare earthRecovery: 99 %View all details
Link to this fact

Identity

Project
Tanbreez
Commodity
rare earth
Region
greenland
Reported Region
Greenland
Ticker
CRML

Test Work

Program Status
optimization
Test Type
multistage, mixed-acid leach
Processing Route
multistage, mixed-acid leach process operating at elevated temperatures, followed by cascading recovery steps
Sample
eudialyte concentrate from Tanbreez project

Recovery

Recovery
99 %

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-16T00:00:00.000Z

Reasoning: The reported recovery of >99% for eudialyte concentrate is exceptional for this complex mineralogy.

Positive factors

  • Extremely high recovery (>99%)

Evidence · text

“dissolves more than 99% of eudialyte concentrate from its Tanbreez project”

Tags used in scoring

Byproduct Commodityneutral

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

Fact 2Tanbreez · hafniumView all details
Link to this fact

Identity

Project
Tanbreez
Commodity
hafnium
Region
greenland
Reported Region
Greenland
Ticker
CRML

Test Work

Program Status
scoping
Processing Route
established processing technologies
Sample
high-purity hafnium metal

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-16T00:00:00.000Z

Reasoning: Projected production volumes for hafnium metal.

Positive factors

  • Uses established processing technologies

Evidence · text

“produce approximately 50-70 tons per annum of high-purity hafnium metal”

Tags used in scoring

Byproduct Commodityneutral

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

Fact 3Tanbreez · hafniumView all details
Link to this fact

Identity

Project
Tanbreez
Commodity
hafnium
Region
greenland
Reported Region
Greenland
Ticker
CRML

Test Work

Program Status
scoping
Processing Route
established processing technologies
Sample
high-purity hafnium chloride

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-16T00:00:00.000Z

Reasoning: Projected production volumes for hafnium chloride.

Evidence · text

“approximately 20-30 tons per annum of high-purity hafnium chloride”

Tags used in scoring

Byproduct Commodityneutral

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

Fact 4Tanbreez · silicaView all details
Link to this fact

Identity

Project
Tanbreez
Commodity
silica
Region
greenland
Reported Region
Greenland
Ticker
CRML

Test Work

Program Status
scoping
Processing Route
silicate recovery system
Sample
high purity SiO2 powder

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-16T00:00:00.000Z

Reasoning: Projected high-purity silica byproduct production.

Positive factors

  • Significant revenue contributor from waste stream

Evidence · text

“Projected by-products include 25,670 tons per year of high purity SiO2 powder”

Tags used in scoring

Byproduct Commodityneutral

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.