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Linked by archaic translations and mineralogical misunderstandings, the quarterfinals are ending in hexagons with vivid pyromorphite vs writeable graphite.
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Gibbsite from
Anjanabonoina pegmatites, Ambohimanambola, Betafo District, Vakinankaratra, Madagascar


Locality type:Pegmatite Field
Classification
Species:Gibbsite
Formula:Al(OH)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gibbsite data
Locality Data:Click here to view Anjanabonoina pegmatites, Ambohimanambola, Betafo District, Vakinankaratra, Madagascar
Data Identifiers
Mindat Occurrence Record ID:44535
Long-form Identifier:1:3:44535:5
GUID (UUID V4):0
Nearest other occurrences of Gibbsite
90.1km (56.0 miles) ⓘUnnamed tonalite quarry, Tsarasaotra, Ambositra District, Amoron'i Mania, Madagascar
References
Wilson, Wendell E. (1989) The Anjanabonoina Pegmatite, Madagascar. The Mineralogical Record, 20 (3) 191-200
 
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