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Amborompotsy, Amborompotsy Commune, Ambatofinandrahana, Amoron'i Mania, Madagascari
Regional Level Types
AmborompotsyMarket Town
Amborompotsy CommuneCommune
AmbatofinandrahanaDistrict
Amoron'i ManiaRegion
MadagascarCountry

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Key
Latitude & Longitude (WGS84):
20° South , 46° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~41km
Locality type:
Other Languages:
Malagasy:
Amborompotsy, Kaominin' Amborompotsy, Distrikan' Ambatofinandrahana, Faritra Amoron'i Mania, Madagasikara


In 2005 over 100 specimens of clear quartz crystals with inclusions of fluorite were found in Madagascar. The exact locality is not known. Koivula et al. (2005) refers to a locality in the Miandrivazo area in the western coast as the provenance of the fluorite in quartz. But later Hyrsl & Niedermayer (2007) states that the fluorite in quartz specimens was found nearby in an elbaite and beryl-bearing pegmatite "near" Amborompotsy, a market place and a commune center in the central highland of Madagascar.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

Fluorite
Formula: CaF2
Reference: Hyrsl,J. & Niedermayr, G.(2007): "Einschlüsse in "Allerweltsmineral" Quarz", Mineralien Welt 18(2),44-55
Quartz
Formula: SiO2
Reference: Hyrsl,J. & Niedermayr, G.(2007): "Einschlüsse in "Allerweltsmineral" Quarz", Mineralien Welt 18(2),44-55

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2

List of minerals arranged by Dana 8th Edition classification

Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

OOxygen
O QuartzSiO2
FFluorine
F FluoriteCaF2
SiSilicon
Si QuartzSiO2
CaCalcium
Ca FluoriteCaF2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Hyrsl, J. & Niedermayr, G. (2007): Einschlüsse im "Allerweltsmineral" Quarz, Mineralien Welt, 18(2), 44-55. [p. 48]
Koivula et al. (2005): Fluorite inclusions in quartz from Madagascar. Gems & Geology, 41(2), 180-181.

Other Regions, Features and Areas containg this locality

Madagascar
Somali PlateTectonic Plate

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