Corundum locality (Ianavoha), Anavoha South, Fotadrevo, Ampanihy District, Atsimo-Andrefana, Madagascari
| Regional Level Types | |
|---|---|
| Corundum locality (Ianavoha) | - not defined - |
| Anavoha South | Village |
| Fotadrevo | Commune |
| Ampanihy District | District |
| Atsimo-Andrefana | Region |
| Madagascar | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
23° South , 44° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Köppen climate type:
Mindat Locality ID:
264252
Long-form identifier:
mindat:1:2:264252:2
GUID (UUID V4):
df9d9688-1a9d-4714-a8dc-420f29201f9e
Other Languages:
Malagasy:
Kariera misy kôrindôna, Anavoha Atsimo, Kaominin'i Fotadrevo, Distrikan' Ampanihy, Faritr' Atsimo Andrefana, Madagasikara
More than 500 specimens of red or pinkish platy corundums up to 10 cm in diameter, embedded in an amphibolite matrix were found at a locality close to the village of Anavoha in 1997 by 2 French prospectors. The locality is often referred to as Ianavoha, but in the Malagasy language this means "at Anavoha".
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Anorthite Formula: Ca(Al2Si2O8) References: Frank K. Mazdab collectionsample FKM-24; https://www.rockptx.com/fkm-1-to-fkm-25/#FKM-24 |
| ⓘ Corundum Formula: Al2O3 |
| ⓘ Tschermakite Formula: ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 References: Frank K. Mazdab collectionsample FKM-24; https://www.rockptx.com/fkm-1-to-fkm-25/#FKM-24 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Corundum | 4.CB.05 | Al2O3 |
| Group 9 - Silicates | |||
| ⓘ | Tschermakite | 9.DE.10 | ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 |
| ⓘ | Anorthite | 9.FA.35 | Ca(Al2Si2O8) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Tschermakite | ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 |
| O | Oxygen | |
| O | ⓘ Anorthite | Ca(Al2Si2O8) |
| O | ⓘ Corundum | Al2O3 |
| O | ⓘ Tschermakite | ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Tschermakite | ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Anorthite | Ca(Al2Si2O8) |
| Al | ⓘ Corundum | Al2O3 |
| Al | ⓘ Tschermakite | ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Anorthite | Ca(Al2Si2O8) |
| Si | ⓘ Tschermakite | ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Anorthite | Ca(Al2Si2O8) |
| Ca | ⓘ Tschermakite | ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 |
Other Regions, Features and Areas containing this locality
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
References
Schwab, Pierre-Nicolas (1998) Informations Minéralogiques, Géologiques et Palèontologiues: Munich 1997 - 21-22-23 novembre 1997. La Mecque annuelle de la minéralogie européenne. Le Règne Minéral, 4 (19) 49-54p.52 - A short note one a find of corundum at Anavoha
