Antsengy pegmatite, Ambohimahasoa, Haute Matsiatra, Madagascari
| Regional Level Types | |
|---|---|
| Antsengy pegmatite | Pegmatite |
| Ambohimahasoa | District |
| Haute Matsiatra | Region |
| Madagascar | Country |
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| Name in Malagasy: | Antsengy, Distrikan' Ambohimahasoa, Matsiatra Ambony, Madagasikara |
|---|
| Location is approximate, estimate based on other nearby localities. | |
|---|---|
| Latitude & Longitude (WGS84): | 21° South , 47° East (est.) |
| Margin of Error: | ~35km |
| Locality type: | Pegmatite |
| Köppen climate type: | Cfb : Temperate oceanic climate |
Situated NW of the small town Ambohimahasoa, NNE of Fianarantsoa in the central highland of Madagascar.
Multicoloured tourmalines has been found here since 2005/2006. This locality is a part of the area known by gem dealers as Camp Robin.
Regions containing this locality
| Somali Plate (Somalia Plate) | Tectonic Plate |
| Fianarantsoa Province, Madagascar | Province |
Select Mineral List Type
Standard Detailed Strunz Dana Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
Rock Types Recorded
Note: this is a very new system on mindat.org and 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:
| ⓘ 'Tourmaline' Formula: A(D3)G6(T6O18)(BO3)3X3Z Reference: Pezzotta, F. (2006): New Gem localities in Madagascar. 2006 Gemmological Research Conference. Gem & Gemology, Fall 2006, p.116 |
List of minerals arranged by Strunz 10th Edition classification
| Unclassified Minerals, Rocks, etc. | |||
|---|---|---|---|
| ⓘ | 'Tourmaline' | - | A(D3)G6(T6O18)(BO3)3X3Z |
List of minerals arranged by Dana 8th Edition classification
| Unclassified Minerals, Mixtures, etc. | |||
|---|---|---|---|
| ⓘ | 'Tourmaline' | - | A(D3)G6(T6O18)(BO3)3X3Z |
List of minerals for each chemical element
| B | Boron | |
|---|---|---|
| B | ⓘ Tourmaline | A(D3)G6(T6O18)(BO3)3X3Z |
| O | Oxygen | |
| O | ⓘ Tourmaline | A(D3)G6(T6O18)(BO3)3X3Z |
References
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Year (asc) Year (desc) Author (A-Z) Author (Z-A)Pezzotta, F. (2006): New Gem localities in Madagascar. 2006 Gemmological Research Conference. Gem & Gemology, Fall 2006, p.116
Superchi, M., Pezzotta, F. & Gambini, E. (2006): Gemological Investigations of Multicoloured Tourmalines from New Localities in Madagascar. Gemological Research Conference. Gem & Gemology, Fall 2006, p. 156
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