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
- Ca₅(PO₄)₃(F,Cl,OH)
- Crystal system
- Material-dependent
- 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- Historical reference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-APATITE
Revision 1.0 · Technical reference
Material identity
Ca₅(PO₄)₃(F,Cl,OH)
Apatite is a calcium-phosphate mineral group. The anion site distinguishes fluorapatite, chlorapatite and hydroxylapatite.
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 |
|---|---|---|
| P₂O₅ / CaO% dry mass | Validated XRF or digestion + ICP-OES / ICP-MS; matrix-specific preparation | Not supplied |
| F / Cl% dry mass | Validated XRF or digestion + ICP-OES / ICP-MS; matrix-specific preparation | Not supplied |
| Cd / As / Pb / Umg/kg | 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 |
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
Characterise trace contaminants and dust. Mineral identity does not establish fertiliser suitability.
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.
FAO · Use of phosphate rocks for sustainable agriculture, Fertilizer and Plant Nutrition Bulletin 13 (2004)
Phosphate-rock mineralogy, characterisation and agronomic assessment.
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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