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Iolite from
Picuí, Paraíba, Brazil


Locality type:Municipality
Classification
Species:Cordierite var: Iolite
Formula:(Mg,Fe)2Al3(AlSi5O18)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Iolite data
Locality Data:Click here to view Picuí, Paraíba, Brazil
Data Identifiers
Mindat Occurrence Record ID:1295935
Long-form Identifier:1:3:1295935:6
GUID (UUID V4):01e80475-77d3-4476-b949-348e616b9638
References
Sauer, Jules Roger (1982) Brazil - Paradise of Gemstones. Gemological Institute of America (GIA)p.114
Reference Search (possible matching items)
(2017) The Journal of Gemmology Vol. 35 (8) Gem-A
Journal (issue)
Articles 708 Coloured Stone Mining and Trade in Brazil: A Brief History and Current Status By Aurélien...Collection V. L. Villani photo p. 758 Cover Photo: Brazil is the source of a variety of coloured stones,...padparadscha sapphire, honey-colour chrysoberyl and Paraíba-colour tourmaline. Each includes a definition,...Mozambique is famous for producing Cu-bearing (Paraíba-type) tourmaline in a variety of colours (e.g....Junior (BC Gemas do Brasil, Governador Valadares, Brazil), and heating to 500°C in air was successful in
 
Mineral and/or Locality  
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