Critical Metals Corp (Nasdaq: CRML) Achieves Breakthrough Tanbreez Heavy Rare Earth Results: >99% Dissolution of Eudialyte Concentrate Into 19 Ultra-High-Purity Rare Earth Products; Refinery Study Projects US$1.8–2.2b in Annual Refinery Revenue

Original announcement by globenewswire on

Company
Critical Metals Corp
Ticker
CRML
Exchange
Unavailable
Region
Greenland
Primary commodity
Rare earth
Secondary commodities
Silica, Niobium, Tantalum, Dysprosium, Hafnium
Document categories
Metallurgy, Other
Extracted
2026-09-16 12:34:34 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Critical Metals Corp has announced a breakthrough metallurgical process for its Tanbreez project, projecting >99% dissolution of eudialyte concentrate into high-purity rare earth products. The proposed Romanian refinery study projects annual revenues of US$1.8–2.2 billion and an NPV10 of US$4.5 billion, driven by both rare earths and high-purity silica by-products.

Reasoning: The announcement details a breakthrough metallurgical process for eudialyte concentrate with high projected economic returns and significant byproduct value, though it remains in the preliminary modelling stage.

Positive factors

  • High projected revenue and NPV
  • Innovative silica recovery process
  • Significant byproduct value stream
  • High IRR and short payback period

Negative factors

  • Preliminary modelling and Class 4 estimate uncertainty
  • Subject to further engineering and metallurgical test work
  • High energy requirements

Facts used in scoring: 2

Classification and evidence

High Recoverypositive

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

Why it applies: Reported >99% dissolution of eudialyte concentrate.

Evidence · text

“>99% Dissolution of Eudialyte Concentrate”

Byproduct Commodityneutral

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

Why it applies: The process is designed to recover high-purity silica as a significant revenue contributor.

Evidence · text

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

Mill Routeneutral

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

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

Single Domain Onlynegative

Testing limited to one composite or domain — representativeness not established.

Why it applies: only one composite was tested

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Metallurgical Results (2)

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
preliminary
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

Recovery

Recovery
99 %

Review

Needs Review
No
Historical
No

Dates

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

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

Positive factors

  • Extremely high dissolution rate (>99%)
  • Innovative multistage mixed-acid reactor design

Negative factors

  • Subject to further process validation
  • Preliminary modelling

Evidence · text

“>99% Dissolution of Eudialyte Concentrate Into 19 Ultra-High-Purity Rare Earth Products”

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

off-gas recoveryTanbreez · silicaRecovery: 99.99 %View all details
Link to this fact

Identity

Project
Tanbreez
Commodity
silica
Region
greenland
Reported Region
Greenland
Ticker
CRML

Test Work

Program Status
preliminary
Test Type
off-gas recovery
Processing Route
Complete silica recovery through off-gas recovery
Sample
eudialyte concentrate

Recovery

Recovery
99.99 %

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The ability to recover 99.99% pure silica from a waste stream is a significant economic and environmental advantage.

Positive factors

  • High purity product (99.99% SiO2)
  • Significant revenue contributor

Evidence · text

“Complete silica recovery through off-gas recovery, designed to produce 99.99% 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.