The district is located north of Alaotra Lake between the Tsaratanana district and the east coast of Madagascar. Good gem beryl
was collected at a Beryl-Columbite Subtype pegmatite. NYF-Miarolitic Class pegmatite produced medium to large crystals of clear, partially corroded topaz
Ref: Madagascar, extraLapis English No.1, 2001, p. 46
Gem list contains entries from all listed localities in region.
Localities in this Region