Log In
Lake Alaotra, Alaotra-Mangoro, Madagascari
| Regional Level Types | |
|---|---|
| Lake Alaotra | Lake |
| Alaotra-Mangoro | Region |
| Madagascar | Country |
This page is currently not sponsored. Click here to sponsor this page.
Type:
Other Languages:
French:
Lac Alaotra, Alaotra-Mangoro, Madagascar
German:
Lac Alaotra, Alaotra-Mangoro, Madagaskar
Italian:
lago Alaotra, regione di Alaotra Mangoro, Madagascar
Malagasy:
Farihy Aloatra, Faritr' Alaotra-Mangoro, Madagasikara
Russian:
Алаутра, Алаутра-Мангуру, Мадагаскар
Simplified Chinese:
阿劳特拉湖, 阿拉奧特拉-曼古羅區, 马达加斯加
Spanish:
Lago Alaotra, Región de Alaotra-Mangoro, Madagascar
Belarusian:
Алаўтра, Мадагаскар
Breton:
Lenn Alaotra, Alaotra-Mangoro, Madagaskar
Catalan:
Alaotra, Madagascar
Cebuano:
Farihy Alaotra, Alaotra Mangoro Region, Madagascar
Chuvash:
Алаутра, Мадагаскар Республики
Dutch:
Alaotrameer, Alaotra-Mangoro, Madagaskar
Esperanto:
Lago Alaotra, Alaotra-Mangoro, Madagaskaro
Estonian:
Alaotra järv, Madagaskar
Finnish:
Alaotrajärvi, Alaotra-Mangoro, Madagaskar
Georgian:
ალაოტრა, მადაგასკარი
Greek:
Λίμνη Αλαότρα, Αλαότρα-Μανγκόρο, Μαδαγασκάρη
Hungarian:
Alaotra-tó, Madagaszkár
Indonesian:
Danau Alaotra, Alaotra-Mangoro, Madagaskar
Japanese:
アラウチャ湖, アロチャ=マングル地域圏, マダガスカル
Lithuanian:
Alaotra, Alotra-Mangoras, Madagaskaras
Polish:
Alaotra, Alaotra-Mangoro, Madagaskar
Portuguese:
Lago Alaotra, Alaotra Mangoro, Madagáscar
Romanian:
Lacul Alaotra, Regiunea Alaotra-Mangoro, Madagascar
Serbian:
Алаотра, Мадагаскар
Serbo-Croatian:
Alaotra, Regija Alaotra-Mangoro, Madagaskar
Swedish:
Alaotra, Alaotra Mangororegionen, Madagaskar
Turkish:
Alaotra Gölü, Alaotra-Mangoro, Madagaskar
Lac Alaotra is situated about 180 km NE of the capital Antananarivo and is the biggest lake in Madagascar. Several mineral localities are found around the lake. In general, the localities west and northwest of the lake belong to the Amparafaravola District and the localities east and south of the lake belong to the Ambatondrazaka District . Numerous LCT pegmatites of the Beryl-Columbite subtype are located east of the lake, and LCT pegmatites of the Chrysoberyl subtype are southeast of the lake.
Minerals from these localities have often been brought to the market in the town of Ambatondrazaka. Thus, minerals from this region are frequently labelled "Ambatondrazaka" or "Lake Alaotra". For chrysoberyl specimens see especially the localities Andreba, Ambatosoratra, Masiadrivotra and Ampanorana Est .
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Beryl Formula: Be3Al2(Si6O18) |
| ⓘ Beryl var. Aquamarine Formula: Be3Al2Si6O18 |
| ⓘ Elbaite Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) References: |
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 References: |
| ⓘ Quartz var. Amethyst Formula: SiO2 References: |
| ⓘ Quartz var. Sceptre Quartz Formula: SiO2 References: |
| ⓘ Quartz var. Smoky Quartz Formula: SiO2 |
| ⓘ Schorl Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz var. Amethyst | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
| ⓘ | var. Smoky Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Sceptre Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Beryl var. Aquamarine | 9.CJ.05 | Be3Al2Si6O18 |
| ⓘ | 9.CJ.05 | Be3Al2(Si6O18) | |
| ⓘ | Elbaite | 9.CK.05 | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| ⓘ | Schorl | 9.CK.05 | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| H | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Li | Lithium | |
| Li | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Be | Beryllium | |
| Be | ⓘ Beryl var. Aquamarine | Be3Al2Si6O18 |
| Be | ⓘ Beryl | Be3Al2(Si6O18) |
| B | Boron | |
| B | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| B | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | Oxygen | |
| O | ⓘ Quartz var. Amethyst | SiO2 |
| O | ⓘ Beryl var. Aquamarine | Be3Al2Si6O18 |
| O | ⓘ Beryl | Be3Al2(Si6O18) |
| O | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | ⓘ Quartz var. Smoky Quartz | SiO2 |
| O | ⓘ Quartz var. Sceptre Quartz | SiO2 |
| Na | Sodium | |
| Na | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Na | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Al | Aluminium | |
| Al | ⓘ Beryl var. Aquamarine | Be3Al2Si6O18 |
| Al | ⓘ Beryl | Be3Al2(Si6O18) |
| Al | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Al | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | Silicon | |
| Si | ⓘ Quartz var. Amethyst | SiO2 |
| Si | ⓘ Beryl var. Aquamarine | Be3Al2Si6O18 |
| Si | ⓘ Beryl | Be3Al2(Si6O18) |
| Si | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | ⓘ Quartz var. Smoky Quartz | SiO2 |
| Si | ⓘ Quartz var. Sceptre Quartz | SiO2 |
| Fe | Iron | |
| Fe | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Fossils
This region is too big or complex to display the fossil list, try looking at smaller subregions.Other Databases
| Wikipedia: | https://en.wikipedia.org/wiki/Lake_Alaotra |
|---|---|
| Wikidata ID: | Q575679 |
| GeoNames ID: | 1084742 |
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.







Lake Alaotra, Alaotra-Mangoro, Madagascar