MADAGASCAR · GEOLOGICAL CONTEXTHistorical catalogue reference
Labradorite
(Na,Ca)(Al,Si)₄O₈ (plagioclase)
Architectural & ornamental stone
Explore materialMADAGASCAR GEOLOGICAL CONTEXT · NOT A PHOTO OF THIS MATERIAL
Reference photograph · not deposit evidence. Diorit · CC BY-SA 3.0 · Wikimedia Commons
- Research family
- Ornamental & dimension stone
- Reference chemistry
- No single formula; polymineralic rock
- 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- Historical reference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-GRANITE
Revision 1.0 · Technical reference
Material identity
No single formula; polymineralic rock
An igneous rock composed mainly of quartz and feldspars with variable accessory minerals. Performance must be tested on representative stone.
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 |
|---|---|---|
| Petrographymineral assemblage | Thin-section petrographic examination | Not supplied |
| Bulk density / water absorptionkg/m³ / % | Recognised dimension-stone test standard; report standard | Not supplied |
| Compressive / flexural strengthMPa | Report specimen orientation, conditioning and test standard | Not supplied |
| Abrasion resistancemethod-specific | Report method and surface finish | 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
Cutting or grinding may release respirable crystalline silica. Assess dust exposure and stone handling risks.
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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