Connoisseur's Choice: Topaz from Granite Pegmatites: Limoeiro Mine, Virgem da Lapa, Araçuaí Pegmatite District, Minas Gerais, Brazil.

This article provides information on the gemstone topaz, highlighting its historical significance as a semiprecious stone and its importance in mineral specimens. It discusses the occurrence of topaz in various locations worldwide, particularly in Brazil and Russia. The article focuses on topaz found in pegmatites, describing its association with other minerals and the factors that influence its abundance and color. It also mentions notable localities where topaz crystals have been found, including New Hampshire, Colorado, Texas, Argentina, Mongolia, Namibia, Australia, Russia, Ukraine, California, Maine, Pakistan, Afghanistan, Zimbabwe, and Mozambique. Additionally, the article briefly mentions the use of topaz in the gemstone industry and its limited industrial applications. [Extracted from the article]