What is the major source of imperial topaz?

Study for the GIA Colored Stones Test. Enhance your knowledge with flashcards, multiple choice questions, and detailed explanations for every answer. Prepare to excel in your exam!

The major source of imperial topaz is Minas Gerais, Brazil. This region is renowned for producing some of the highest quality imperial topaz, which is characterized by its rich, golden to reddish hues.

While Ouro Preto, Bahia, and Rio de Janeiro may have other mineral deposits, Minas Gerais stands out as the primary location for significant imperial topaz mining. The distinctive coloration and clarity of the topaz from Minas Gerais contribute to its value and desirability in the gemstone market. Understanding the geographic origins helps in identifying the quality and authenticity of the gem, which is crucial for gem enthusiasts and professionals in the field.

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