Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Ankitsikitsika, Sahatany Valley, Ibity, Antsirabe II, Vakinankaratra, Madagascari
Regional Level Types
AnkitsikitsikaGroup of Quarries
Sahatany ValleyValley
IbityCommune
Antsirabe IIDistrict
VakinankaratraRegion
MadagascarCountry

This page is currently not sponsored. Click here to sponsor this page.
Key
Lock Map
Name in Malagasy:Ankitsikitsika, Lohasahan'i Sahatany, Kaominin' Alatsinainy Ibity, Distrikan' Antsirabe II, Vakinankaratra, Madagasikara
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 20° South , 46° East (est.)
Margin of Error:~9km
Locality type:Group of Quarries
Köppen climate type:Cwb : Subtropical highland climate or temperate oceanic climate with dry winters


A group of at last 3 small quarries located south of the village of Antsira in the Sahatany Valley SW of the town Antsirabe in the central highland of Madagascar. Pegmatites of complex type (LCT) hosted in marble are worked for gem polychromatic tourmalines.
Rakotoarison (1964) locality nr 51.

Regions containing this locality

Somali Plate (Somalia Plate)Plate
Antananarivo Province, MadagascarProvince (Abolished)
Sahatany Pegmatite Field (Mt Ibity area), MadagascarPegmatite Field

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

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 Diagram

Detailed Mineral List:

Beryl
Formula: Be3Al2(Si6O18)
Beryl var: Alkali-beryl
Formula: Be3Al2(Si6O18)
Quartz
Formula: SiO2
'Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Spodumene
Formula: LiAlSi2O6
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
var: Alkali-beryl9.CJ.05Be3Al2(Si6O18)
Spodumene9.DA.30LiAlSi2O6
Unclassified Minerals, Rocks, etc.
'Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Spodumene65.1.4.1LiAlSi2O6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Beryl
var: Alkali-beryl
-Be3Al2(Si6O18)
'Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

LiLithium
Li SpodumeneLiAlSi2O6
BeBeryllium
Be BerylBe3Al2(Si6O18)
Be Beryl (var: Alkali-beryl)Be3Al2(Si6O18)
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B RubelliteA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O QuartzSiO2
O RubelliteA(D3)G6(T6O18)(BO3)3X3Z
O SpodumeneLiAlSi2O6
O BerylBe3Al2(Si6O18)
O Beryl (var: Alkali-beryl)Be3Al2(Si6O18)
AlAluminium
Al SpodumeneLiAlSi2O6
Al BerylBe3Al2(Si6O18)
Al Beryl (var: Alkali-beryl)Be3Al2(Si6O18)
SiSilicon
Si QuartzSiO2
Si SpodumeneLiAlSi2O6
Si BerylBe3Al2(Si6O18)
Si Beryl (var: Alkali-beryl)Be3Al2(Si6O18)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Lacroix, A. (1912) Sur quelques minéraux des pegmatites du Vakinankaratra (Madagascar). Bulletin de la Société française de Minéralogie, 35, 76-84 [on spodumene].
Lacroix, A. (1912) La tourmaline noire des environs de Betroka (Madagascar). Bulletin de la Société française de Minéralogie, 35, 123-129 [on tourmaline].
Lacroix, A. (1912) Sur la continuité de la variation des propriétés physiques des béryls de Madagascar, en relation avec leur composition chimique. Bulletin de la Société française de Minéralogie, 35, 200-208 [on beryl].
Rakotoarison, W. (1964) Les pegmatites de la Sahatany. Archive du Service Géologique Madagascar. A 1983, 39 pp.


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.
 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: July 18, 2019 18:36:55 Page generated: December 28, 2018 08:58:38
Go to top of page