LGM


LABORATOIRE DE
GEMMOLOGIE DE
MARSEILLE
 
ESPACE PRIVE GEM-A
Cours de Gem-A en ligne
Accès membre Gem-A
ESPACE PRIVE LGM
Cours de Base
Cours de Diplome FGA
Cours de Diamant DGA
Espace membre LGM
Gem Database
 
Formation Expertise Voyage Actualités e-Boutique Contact Inscription
 
TOURMALINE
     
N°43A
tourmaline rouge, Ambalamahatsara.
Madagascar 2001, Rapport
Ambalamahatsara 2001, Madagascar
Zoned pegmatite field; primitive dikes close to a synkinematic granite (Granite of the intrusive complex of Ambatofinandrahana) and medium evolved to high evolved pegmatites in schists and marbles. Association of green amazonite together with deep-red tourmaline. Spectacular example of “line rock” with magmatic slumpings and other complex structures.
Field Course on the Rare Element Pegmatites of Madagascar. Technical Program And Field Trip Guidebook.



 
 
     
     
     
     
     
     
     


 

NOUS CONTACTER

Laboratoire de Gemmologie
17 rue Fontange
BP 10033
13243 Marseille cedex 01
+33491926845
gemlabmarseille@wanadoo.fr


© LGM 2004-2017