Isahara Pegmatite Field, Atsimo-Atsinanana, Madagascari
| Regional Level Types | |
|---|---|
| Isahara Pegmatite Field | Pegmatite Field |
| Atsimo-Atsinanana | Region |
| Madagascar | Country |
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Latitude & Longitude:
23° South , 47° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~126km
Type:
Mindat Locality ID:
179980
Long-form identifier:
mindat:1:2:179980:7
GUID (UUID V4):
4d83a3b0-5657-4570-8c69-885b95c8af53
The Isahara Pegmatite Field is located in a belt more than 100km long streching out from the village Isahara in the south (West of the town of Manambondro) and further north just south of Farafangana, the center of the Atsimo-Atsinanana Region. (Located both in the districts of Vaingaindrano and Farafangana)
A large number of miarolitic NYF-pegmatites has been found in this area
Some tourmalines and beryls from this pegmatite field has been labelled as coming from Vangaindrano, a town near the coast between Manambondro and Farafangana.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
3 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| β Beryl Formula: Be3Al2(Si6O18) |
| β Beryl var. Aquamarine Formula: Be3Al2Si6O18 |
| β Quartz Formula: SiO2 |
| β Quartz var. Citrine Formula: SiO2 |
| β Quartz var. Smoky Quartz Formula: SiO2 |
| β Topaz Formula: Al2(SiO4)(F,OH)2 |
| β 'Tourmaline' Formula: AD3G6 (T6O18)(BO3)3X3Z |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| β | Quartz | 4.DA.05 | SiO2 |
| β | var. Citrine | 4.DA.05 | SiO2 |
| β | var. Smoky Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| β | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| β | var. Aquamarine | 9.CJ.05 | Be3Al2Si6O18 |
| β | Topaz | 9.AF.35 | Al2(SiO4)(F,OH)2 |
| Unclassified Minerals, Rocks, etc. | |||
| β | 'Tourmaline' | - | AD3G6 (T6O18)(BO3)3X3Z |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Topaz | Al2(SiO4)(F,OH)2 |
| Be | Beryllium | |
| Be | β Beryl | Be3Al2(Si6O18) |
| Be | β Beryl var. Aquamarine | Be3Al2Si6O18 |
| B | Boron | |
| B | β Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
| O | Oxygen | |
| O | β Quartz var. Smoky Quartz | SiO2 |
| O | β Topaz | Al2(SiO4)(F,OH)2 |
| O | β Beryl | Be3Al2(Si6O18) |
| O | β Quartz | SiO2 |
| O | β Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
| O | β Quartz var. Citrine | SiO2 |
| O | β Beryl var. Aquamarine | Be3Al2Si6O18 |
| F | Fluorine | |
| F | β Topaz | Al2(SiO4)(F,OH)2 |
| Al | Aluminium | |
| Al | β Topaz | Al2(SiO4)(F,OH)2 |
| Al | β Beryl | Be3Al2(Si6O18) |
| Al | β Beryl var. Aquamarine | Be3Al2Si6O18 |
| Si | Silicon | |
| Si | β Quartz var. Smoky Quartz | SiO2 |
| Si | β Topaz | Al2(SiO4)(F,OH)2 |
| Si | β Beryl | Be3Al2(Si6O18) |
| Si | β Quartz | SiO2 |
| Si | β Quartz var. Citrine | SiO2 |
| Si | β Beryl var. Aquamarine | Be3Al2Si6O18 |
Other Regions, Features and Areas containing this locality
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References
