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Itorendrika-Ifasina, Imorona valley, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar
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Itorendrika-Ifasina, Imorona valley, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar

Photo: Arliguie M
Eluvial deposit with minerals from a contact zone with pegmatitic facies of an alkali-granite. Located along the Imorona River

Mineral List

Amphibole Supergroup
'Chevkinite Group'
var: Amethyst

var: Chalcedony

21 entries listed. 13 valid minerals.

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Lacroix, A. (1915): La bastnaesite et la tscheffkinite de Madagascar; le mode de gisement des fluocarbonates, pseudomorphose d'origine pneumatolytique dans les granites alcalins. Bulletin de la Société Française de Minéralogie et de Cristallographie. 38, 106 - 125.

Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. 624p

Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive

Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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