REFERENCE SPECIMENHistorical catalogue reference
Quartz
SiO₂
Silica, glass & industrial applications
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MADAGASCAR GEOLOGICAL CONTEXT · NOT A PHOTO OF THIS MATERIAL
Reference photograph · not deposit evidence. Diorit · CC BY-SA 3.0 · Wikimedia Commons
- Research family
- Industrial minerals
- Reference chemistry
- Kaolinite: Al₂Si₂O₅(OH)₄
- Crystal system
- Triclinic
- Malagasy provenance
- Historical reference
01 / Technical dossier
The material. The evidence.
Reference properties and the analytical work needed to assess this material for industrial use.
TO-REF-KAOLIN
Revision 1.0 · Technical reference
Material identity
Kaolinite: Al₂Si₂O₅(OH)₄
Kaolin is a clay material commonly dominated by kaolinite; quartz, mica and other phases may be present.
- Mohs hardness · reference species
- 2–2.5
- Crystal system
- Triclinic
Handbook of Mineralogy · Kaolinite · Kaolinite component. Mineral identification constants, not bulk product test results.
Historical catalogue reference
Listed in historical national mineral reporting. This does not establish current production, economic reserves, ownership or commercial availability.
Laboratory characterisation
Parameters to establish on a representative sample. Methods below are analytical routes, not a certified test protocol. No lot-specific result or acceptance limit has been supplied.
| Parameter / reporting unit | Analytical route | Result |
|---|---|---|
| Al₂O₃ / SiO₂ / Fe₂O₃ / TiO₂% dry mass | Validated XRF or digestion + ICP-OES / ICP-MS; matrix-specific preparation | Not supplied |
| Mineral phases and proportionsphase identification / % | X-ray diffraction (XRD); quantify with a validated method | Not supplied |
| Brightness / colourmethod-specific | State optical standard, instrument and sample preparation | Not supplied |
| Particle-size distribution (d10 / d50 / d90)µm | Sieving or laser diffraction; report dispersion conditions | Not supplied |
Traceability & certification
- Sample ID & collection date
- Not supplied
- Locality & supplier provenance
- Not supplied
- Sampling protocol & representativeness
- Not supplied
- Laboratory & accreditation scope
- Not supplied
- Certificate of analysis (CoA)
- Not supplied
- Product form, packaging & shelf life
- Not supplied
Handling & safety
Control dust during handling. A material-specific safety data sheet (SDS), exposure assessment and transport classification are required before shipment.
Reference basis
USGS · The Mineral Industry of Madagascar, 2019 (published 2024)
Mineralogical Society of America · Handbook of Mineralogy
Mineral identity and ideal chemical formulas; not Madagascar sample analyses.
Reference sheet only, not a certified product TDS, safety data sheet or certificate of analysis. No purity, grade, origin or supply commitment is certified.
02 / Continue your research
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