WIN: Successful Extraction of Valuable Rubidium from Faraday
Original announcement by asx on
- Company
- WIN Metals Ltd
- Ticker
- WIN
- Exchange
- ASX
- Region
- Western Australia
- Primary commodity
- Rubidium
- Secondary commodities
- Lithium, Potassium, Caesium, Iron ore, Sodium, Silicon, Aluminium, Magnesium, Calcium
- Document categories
- Metallurgy, Resource update
- Extracted
- 2026-10-18 22:14:25 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
WIN Metals Ltd reported successful initial bench-scale metallurgical testwork on its Faraday Critical Minerals Project, achieving high rubidium extraction rates of 93.8% to 96.7% via a chloride salt roast leach process. The company highlighted rubidium as a highly valuable critical mineral with potential to become a primary value driver, noting that its hosting in potassium feldspar could lead to a simpler purification flowsheet. Further work is planned to optimize the flowsheet and develop a maiden rubidium mineral resource estimate.
Reasoning: Initial bench-scale metallurgical testwork demonstrated exceptional rubidium extraction rates (93.8% to 96.7%) from a cleaner concentrate, indicating a significant new and highly valuable revenue stream for the Faraday Critical Minerals Project. While promising, the results are preliminary and require further development.
Positive factors
- High rubidium extraction rates achieved (93.8% to 96.7%)
- Cleaner concentrate due to rubidium hosted in potassium feldspar, potentially simplifying purification
- Significant additional value driver identified for the project
- Rubidium is a critical mineral with high market pricing
- Potential for valuable byproducts including lithium, potassium, and caesium salts
- Multi-domain master composite used for testwork, indicating variability addressed
Negative factors
- Testwork is initial bench-scale only, requiring further optimization and scale-up
- Purification flowsheet for rubidium salt product still needs development
- Rubidium mineral resource estimate is pending
Facts used in scoring: 16
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Rubidium extraction rates of 93.8% and 96.7% are strong to exceptional for the roast leach process.
Evidence · text
“93.8% to 96.7% rubidium extraction”
Bench Scale Onlynegative
Only preliminary bench tests completed — no locked-cycle or pilot work.
Why it applies: The testwork is described as 'initial bench-scale roast-leach testwork' and 'Preliminary bench scale tests'.
Evidence · text
“Initial bench-scale roast-leach testwork”
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: The testwork was conducted on a 'master composite sample of Faraday and Trainline pegmatite mineralisation', indicating representation of different domains.
Evidence · text
“master composite sample of Faraday and Trainline pegmatite mineralisation”
Byproduct Commodityneutral
The tested commodity is a byproduct rather than the primary economic driver.
Why it applies: Lithium, potassium, and caesium are mentioned as potential byproducts alongside the primary rubidium extraction.
Evidence · text
“Potential byproducts include a 6.7% Li₂O spodumene concentrate, plus albite concentrates and potassium and caesium salts”
JORC Compliantpositive · Story-specific tag
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: The Competent Person statement confirms compliance with the 2012 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (JORC Code).
Evidence · text
“Competent Person as defined in the 2012 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (JORC Code)”
QP/CP Signedpositive · Story-specific tag
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: Mr Brian McNab, Principal Process Engineer at Wood, Minerals and Metals, is named as the Competent Person responsible for the metallurgical results.
Evidence · text
“Mr Brian McNab, Principal Process Engineer and Full-Time Employee of Wood, Minerals and Metals in Perth, WA.”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: the document describes a mill_cil route ("concentrator")
POX/BIOX Routeneutral
Pressure or bio-oxidation for refractory ore — high CAPEX and OPEX.
Why it applies: the document describes a pox_biox route ("roasting")
Extracted facts
Stored fact records: 16. Some facts used in scoring do not have a stored record.
Resource Estimates (6)
indicatedWIN Metals Butchers Creek · goldTonnes: 3580000Grade: 2.24Grade Unit: g/tView all detailsHide details
Identity
- Project
- WIN Metals Butchers Creek
- Commodity
- gold
- Ticker
- WIN
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- Resource group id
- resource:e9299059e211c38cbd5c
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 3580000
- Grade
- 2.24
- Grade Unit
- g/t
- Cutoff Grade
- 0.3
- Cutoff Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“2.24”
Context: 3.58
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
inferredWIN Metals Butchers Creek · goldTonnes: 1650000Grade: 1.18Grade Unit: g/tView all detailsHide details
Identity
- Project
- WIN Metals Butchers Creek
- Commodity
- gold
- Ticker
- WIN
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- Resource group id
- resource:825e53b1d21bb7a938e1
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 1650000
- Grade
- 1.18
- Grade Unit
- g/t
- Cutoff Grade
- 0.3
- Cutoff Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“1.18”
Context: 1.65
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
inferredWIN Metals Butchers Creek · goldTonnes: 400000Grade: 3.1Grade Unit: g/tView all detailsHide details
Identity
- Project
- WIN Metals Butchers Creek
- Commodity
- gold
- Ticker
- WIN
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- Resource group id
- resource:c4dc105f89e617b869bf
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 400000
- Grade
- 3.1
- Grade Unit
- g/t
- Cutoff Grade
- 0.3
- Cutoff Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“3.10”
Context: 0.40
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
indicatedRadio · goldTonnes: 200000Grade: 4Grade Unit: g/tView all detailsHide details
Identity
- Project
- Radio
- Commodity
- gold
- Ticker
- WIN
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- Resource group id
- resource:d18bf8f99f25e47cd21f
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 200000
- Grade
- 4
- Grade Unit
- g/t
- Cutoff Grade
- 0.3
- Cutoff Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“4.0”
Context: 200,000
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
inferredRadio · goldTonnes: 166000Grade: 4.5Grade Unit: g/tView all detailsHide details
Identity
- Project
- Radio
- Commodity
- gold
- Ticker
- WIN
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- Resource group id
- resource:7c05bf2f40799392b3fa
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 166000
- Grade
- 4.5
- Grade Unit
- g/t
- Cutoff Grade
- 0.3
- Cutoff Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“4.5”
Context: 166,000
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
inferredRadio · goldTonnes: 366000Grade: 4.2Grade Unit: g/tView all detailsHide details
Identity
- Project
- Radio
- Commodity
- gold
- Ticker
- WIN
Resource scope
- Estimate type
- resource
- Reporting standards
- jorc
- Resource group id
- resource:8d07bacab175fa58f851
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 366000
- Grade
- 4.2
- Grade Unit
- g/t
- Cutoff Grade
- 0.3
- Cutoff Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Expanded from multi-commodity resource table for completeness.
Negative factors
- Fact expanded from resource table columns (model omitted this commodity).
Evidence · table
“4.2”
Context: 366,000
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Metallurgical Results (10)
roast leachFaraday Critical Minerals Project · rubidiumRecovery: 96.7 %Head Grade: 0.38Head Grade Unit: %View all detailsHide details
Identity
- Project
- Faraday Critical Minerals Project
- Commodity
- rubidium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- WIN
Test Work
- Program Status
- preliminary
- Test Type
- roast leach
- Processing Route
- chloride salt roast leach process
- Sample
- K-Feldspar Concentrate (JS6286)
Recovery
- Recovery
- 96.7 %
- Recovery Basis
- actual_test
- Head Grade
- 0.38
- Head Grade Unit
- %
Lab
- Laboratory
- ALS Metallurgy
- Consultant
- Wood, Minerals and Metals
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: An exceptional rubidium extraction rate of 96.7% was achieved from the potassium feldspar concentrate, indicating very strong metallurgical viability for rubidium recovery using the chloride salt roast leach process.
Positive factors
- Exceptional rubidium extraction rate (96.7%) from potassium feldspar concentrate via roast leach
- Demonstrates strong metallurgical viability for rubidium recovery
Negative factors
- Testwork is bench-scale only
Evidence · table
“96.7”
Context: 96.7
flotationFaraday Critical Minerals Project · lithiumRecovery: 75 %View all detailsHide details
Identity
- Project
- Faraday Critical Minerals Project
- Commodity
- lithium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- WIN
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation from the feldspar flotation tails
- Sample
- feldspar flotation tails
Recovery
- Recovery
- 75 %
- Recovery Basis
- actual_test
- Conc. Grade
- 6.7
- Conc. Grade Unit
- % Li2O
Lab
- Laboratory
- ALS Metallurgy
- Consultant
- Wood, Minerals and Metals
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Preliminary sighter testing demonstrated a significant lithium recovery of 75% and a high-grade spodumene concentrate of 6.7% Li2O, indicating strong byproduct potential.
Positive factors
- Successful preliminary sighter test demonstrating significant lithium recovery (75%) and concentrate grade (6.7% Li2O)
- Lithium is a potential byproduct with low iron presence
Negative factors
- Testwork is preliminary sighter testing only
Evidence · text
“preliminary sighter testing a 6.7% Li2O cleaner concentrate at 75% lithium recovery has been demonstrated”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
roast leachFaraday Critical Minerals Project · potassiumRecovery: 93.6 %Head Grade: 8.08Head Grade Unit: % K2OView all detailsHide details
Identity
- Project
- Faraday Critical Minerals Project
- Commodity
- potassium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- WIN
Test Work
- Program Status
- preliminary
- Test Type
- roast leach
- Processing Route
- chloride salt roast leach process
- Sample
- K-Feldspar Concentrate (JS6286)
Recovery
- Recovery
- 93.6 %
- Recovery Basis
- actual_test
- Head Grade
- 8.08
- Head Grade Unit
- % K2O
Lab
- Laboratory
- ALS Metallurgy
- Consultant
- Wood, Minerals and Metals
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: A high potassium extraction rate of 93.6% was achieved from the potassium feldspar concentrate, indicating potential for potassium as a byproduct.
Positive factors
- High potassium extraction rate (93.6%) from potassium feldspar concentrate
- Potassium is a potential byproduct
Negative factors
- Testwork is bench-scale only
Evidence · table
“93.6”
Context: 93.6
flotationFaraday Critical Minerals Project · sodiumView all detailsHide details
Identity
- Project
- Faraday Critical Minerals Project
- Commodity
- sodium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- WIN
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- grinds to P80 106 μm, removes magnetic and slimes particles and uses low pH flotation techniques
- Sample
- Potassium Feldspar Concentrate (A27055_ JS6352_K Feld 3rd Cleaner Con 1)
- Grind P80
- 106 µm
Recovery
- Conc. Grade
- 5.69
- Conc. Grade Unit
- % Na2O
Lab
- Laboratory
- ALS Metallurgy
- Consultant
- Wood, Minerals and Metals
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: The potassium feldspar concentrate contains 5.69% sodium oxide.
Evidence · table
“5.69”
Context: 5.69
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
roast leachFaraday Critical Minerals Project · iron_oreRecovery: 7 %Head Grade: 0.04Head Grade Unit: %View all detailsHide details
Identity
- Project
- Faraday Critical Minerals Project
- Commodity
- iron_ore
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- WIN
Test Work
- Program Status
- preliminary
- Test Type
- roast leach
- Processing Route
- chloride salt roast leach process
- Sample
- K-Feldspar Concentrate (JS6286)
Recovery
- Recovery
- 7 %
- Recovery Basis
- actual_test
- Head Grade
- 0.04
- Head Grade Unit
- %
Lab
- Laboratory
- ALS Metallurgy
- Consultant
- Wood, Minerals and Metals
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Relatively low iron extraction from the potassium feldspar concentrate is a positive indicator for the purity of the leach liquor.
Positive factors
- Relatively low iron extraction (7.0%) from potassium feldspar concentrate, indicating low impurity dissolution
Negative factors
- Testwork is bench-scale only
Evidence · table
“7.0”
Context: 7.0
roast leachFaraday Critical Minerals Project · siliconRecovery: 3.83 %Head Grade: 64.7Head Grade Unit: % SiO2View all detailsHide details
Identity
- Project
- Faraday Critical Minerals Project
- Commodity
- silicon
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- WIN
Test Work
- Program Status
- preliminary
- Test Type
- roast leach
- Processing Route
- chloride salt roast leach process
- Sample
- K-Feldspar Concentrate (JS6286)
Recovery
- Recovery
- 3.83 %
- Recovery Basis
- actual_test
- Head Grade
- 64.7
- Head Grade Unit
- % SiO2
Lab
- Laboratory
- ALS Metallurgy
- Consultant
- Wood, Minerals and Metals
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Low silicon extraction from the potassium feldspar concentrate is a positive indicator for the purity of the leach liquor.
Positive factors
- Low silicon extraction (3.83%) from potassium feldspar concentrate, indicating low impurity dissolution
Negative factors
- Testwork is bench-scale only
Evidence · table
“3.83”
Context: 3.83
flotationFaraday Critical Minerals Project · calciumView all detailsHide details
Identity
- Project
- Faraday Critical Minerals Project
- Commodity
- calcium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- WIN
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- grinds to P80 106 μm, removes magnetic and slimes particles and uses low pH flotation techniques
- Sample
- Potassium Feldspar Concentrate (A27055_ JS6352_K Feld 3rd Cleaner Con 1)
- Grind P80
- 106 µm
Recovery
- Conc. Grade
- 0.1
- Conc. Grade Unit
- % CaO
Lab
- Laboratory
- ALS Metallurgy
- Consultant
- Wood, Minerals and Metals
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: The potassium feldspar concentrate contains 0.10% calcium oxide.
Evidence · table
“0.10”
Context: 0.10
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
roast leachFaraday Critical Minerals Project · aluminiumRecovery: 3.54 %Head Grade: 18.7Head Grade Unit: % Al2O3View all detailsHide details
Identity
- Project
- Faraday Critical Minerals Project
- Commodity
- aluminium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- WIN
Test Work
- Program Status
- preliminary
- Test Type
- roast leach
- Processing Route
- chloride salt roast leach process
- Sample
- K-Feldspar Concentrate (JS6286)
Recovery
- Recovery
- 3.54 %
- Recovery Basis
- actual_test
- Head Grade
- 18.7
- Head Grade Unit
- % Al2O3
Lab
- Laboratory
- ALS Metallurgy
- Consultant
- Wood, Minerals and Metals
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Low aluminium extraction from the potassium feldspar concentrate is a positive indicator for the purity of the leach liquor.
Positive factors
- Low aluminium extraction (3.54%) from potassium feldspar concentrate, indicating low impurity dissolution
Negative factors
- Testwork is bench-scale only
Evidence · table
“3.54”
Context: 3.54
roast leachFaraday Critical Minerals Project · magnesiumRecovery: 0.005 %Head Grade: 0.03Head Grade Unit: % MgOView all detailsHide details
Identity
- Project
- Faraday Critical Minerals Project
- Commodity
- magnesium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- WIN
Test Work
- Program Status
- preliminary
- Test Type
- roast leach
- Processing Route
- chloride salt roast leach process
- Sample
- K-Feldspar Concentrate (JS6286)
Recovery
- Recovery
- 0.005 %
- Recovery Basis
- actual_test
- Head Grade
- 0.03
- Head Grade Unit
- % MgO
Lab
- Laboratory
- ALS Metallurgy
- Consultant
- Wood, Minerals and Metals
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Very low magnesium extraction from the potassium feldspar concentrate is a positive indicator for the purity of the leach liquor.
Positive factors
- Very low magnesium extraction (<0.01%) from potassium feldspar concentrate, indicating low impurity dissolution
Negative factors
- Testwork is bench-scale only
Evidence · table
“<0.01”
Context: <0.01
roast leachFaraday Critical Minerals Project · caesiumRecovery: 71.4 %Head Grade: 140Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Faraday Critical Minerals Project
- Commodity
- caesium
- Region
- australia_wa
- Reported Region
- Western Australia
- Ticker
- WIN
Test Work
- Program Status
- preliminary
- Test Type
- roast leach
- Processing Route
- chloride salt roast leach process
- Sample
- K-Feldspar Concentrate (JS6286)
Recovery
- Recovery
- 71.4 %
- Recovery Basis
- actual_test
- Head Grade
- 140
- Head Grade Unit
- ppm
Lab
- Laboratory
- ALS Metallurgy
- Consultant
- Wood, Minerals and Metals
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-18T00:00:00.000Z
Reasoning: Significant caesium extraction from the potassium feldspar concentrate indicates potential for caesium as a byproduct.
Positive factors
- Significant caesium extraction (71.4%) from potassium feldspar concentrate
- Caesium is a potential byproduct
Negative factors
- Testwork is bench-scale only
Evidence · table
“71.4”
Context: 71.4
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.