Rough and Faceded Imperial Topaz

Lucas D'Ambrosio2021-03-30

MM Gerdau - Museu das Minas e do Metal
Belo Horizonte, Brazil

Imperial Topaz - The rarest topaz variety. It was first found in Ouro Preto when this city was yet named Vila Rica and was the capital of Minas Gerais state and up to the present this city is the reference in the production of this gem. Step cut Imperial topaz. Chemical composition: Al2SiO4F2.

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Details

Title: Rough and Faceded Imperial Topaz
Creator: Lucas D'Ambrosio
Date Created: 2021-03-30
Location Created: Ouro Preto, Minas Gerais - Brasil
Type: Al2SiO4F2
Rights: MM Gerdau - Museu das Minas e do Metal
Medium: Mineral

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