# Critical Metals Corp \(Nasdaq: CRML\) Achieves Breakthrough Tanbreez Heavy Rare Earth Results: &gt;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

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/critical-metals-corp-nasdaq-crml-achieves-breakthrough-tanbreez-heavy-rare-earth--8344bf88-557e-4b02-9fd0-16d1f07ce8be

Original source: https://www.globenewswire.com/news-release/2026/09/16/3363176/0/en/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-refin.html

Publisher: globenewswire

Original announcement: 2026-09-16T00:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: 2026-09-16T12:34:33.663Z

Atlas analysis updated: 2026-09-16T12:34:33.663Z

- 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

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

Critical Metals Corp has announced a breakthrough metallurgical process for its Tanbreez project, projecting &gt;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 factor: High projected revenue and NPV

- Positive factor: Innovative silica recovery process

- Positive factor: Significant byproduct value stream

- Positive factor: High IRR and short payback period

- Negative factor: Preliminary modelling and Class 4 estimate uncertainty

- Negative factor: Subject to further engineering and metallurgical test work

- Negative factor: High energy requirements

Facts used in scoring: 2

## Classification and evidence

**High Recovery**

Polarity: positive

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

Why it applies: Reported &gt;99% dissolution of eudialyte concentrate.

Evidence · text

> &gt;99% Dissolution of Eudialyte Concentrate

**Byproduct Commodity**

Polarity: neutral

Definition: 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 Route**

Polarity: neutral

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

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

**Single Domain Only**

Polarity: negative

Definition: 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 leach

[Link to this fact](https://atlas-staging.minestarters.com/news/critical-metals-corp-nasdaq-crml-achieves-breakthrough-tanbreez-heavy-rare-earth--8344bf88-557e-4b02-9fd0-16d1f07ce8be#fact-metallurgical-facts-0)

Tanbreez · rare earth

#### 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 &gt;99% dissolution of eudialyte concentrate is an exceptional recovery metric for this complex mineralogy.

- Positive factor: Extremely high dissolution rate \(&gt;99%\)

- Positive factor: Innovative multistage mixed-acid reactor design

- Negative factor: Subject to further process validation

- Negative factor: Preliminary modelling

Evidence · text

> &gt;99% Dissolution of Eudialyte Concentrate Into 19 Ultra-High-Purity Rare Earth Products

#### Tags used in scoring

**Byproduct Commodity**

Polarity: neutral

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

Why it applies: the release describes a byproduct credit

### off-gas recovery

[Link to this fact](https://atlas-staging.minestarters.com/news/critical-metals-corp-nasdaq-crml-achieves-breakthrough-tanbreez-heavy-rare-earth--8344bf88-557e-4b02-9fd0-16d1f07ce8be#fact-metallurgical-facts-1)

Tanbreez · silica

#### 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 factor: High purity product \(99.99% SiO2\)

- Positive factor: Significant revenue contributor

Evidence · text

> Complete silica recovery through off-gas recovery, designed to produce 99.99% SiO2 powder

#### Tags used in scoring

**Byproduct Commodity**

Polarity: neutral

Definition: 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.
