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Tridymite from Ankaratra Volcanic Range, Madagascar

Madagascar
 
Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel, Paris. p.1-624.
  • Vakinankaratra
    • Ambatolampy District
      • Tsiafajavona Ankaratra
Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871
    • Betafo District
      • Ambatonikolahy
Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel, Paris. p.1-624.
 
Mineral and/or Locality  
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