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
- NaCl (halite)
- Crystal system
- Cubic
- 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- Historical reference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-SALT
Revision 1.0 · Technical reference
Material identity
NaCl (halite)
Salt may contain other soluble salts and insoluble matter. Food suitability cannot be inferred from mineral identity.
- Mohs hardness · reference species
- 2–2.5
- Crystal system
- Cubic
Handbook of Mineralogy · Halite · Halite 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 |
|---|---|---|
| NaCl% dry mass | Validated chloride / sodium analysis with stated calculation basis | Not supplied |
| Water-insoluble matter% dry mass | Dissolution, filtration and gravimetry | Not supplied |
| Ca / Mg / sulfate% dry mass | Validated XRF or digestion + ICP-OES / ICP-MS; matrix-specific preparation | Not supplied |
| Moisture% as received | Gravimetry; report drying temperature and duration | 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
Keep dry and prevent contamination. Food or chemical-use claims require the relevant product certification and SDS.
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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