#312 Purple Fluorite on Quartz**
This piece measures 5 3/4" in length. It comes from De'an Fluorite Mine, Wushan, De'an Co., Jiujiang Prefecture, Jiangxi Province, China.
#315 Fluorite w/ Chalcopyrite**
From Annabel Lee Mine, Harris Creek District, Hardin County, Illinois. 2" x 2 1/4".
#316 Fluorite w/ Barite**
From El Hammam Mine, Meknes Prefecture, Meknes Region, Morocco. 2 1/2" x 1 5/8".
#311 Pokerchip Calcite**
5" tall. From Leiping, Guiyang Co., Chenzhou Prefecture, Hunan Province, China.*-
#310 Barite**
#319 Tanzanite Crystal**
#320 Natural Imperial Topaz**
7/8" tall. Most topaz is formed in pegmatite rock deposits, which when weathered release topaz and other gems into alluvial deposits. Brazil is the largest producer of fine gem quality Topaz, specifically in the state of Minas Gerias. The imperial version of topaz was discovered there in the town of Ouro Preto in 1735. The little town of Ouro Preto in the state of Minas Gerais, Brazil, is the only locality in which commercially significant deposits of precious topaz are found. No other locality, no other country produces this Imperial version of Topaz. This Crystal measures nearly 2". The color is choice.*-
#322 Chalcopyrite with Siderite**
#323 Stibnite**
#326 Imperial Topaz**
2 1/2" tall. Most topaz is formed in pegmatite rock deposits, which when weathered release topaz and other gems into alluvial deposits. Brazil is the largest producer of fine gem quality Topaz, specifically in the state of Minas Gerias. The imperial version of topaz was discovered there in the town of Ouro Preto in 1735. The little town of Ouro Preto in the state of Minas Gerais, Brazil, is the only locality in which commercially significant deposits of precious topaz are found. No other locality, no other country produces this Imperial version of Topaz. The color is choice.*-
#331 Aragonite-Lined Pipe**
This is a section of a water pipe from Carlsbad (Karlovy Vary) in what is now the Czech Republic. Cut into a thin slice and polished, it shows a thick accumulation of Aragonite - about eighty years' worth. According to legend, Holy Roman Emperor Charles IV (for whom the city is named), praised the healing power of the hot springs in the 14th century, and its reputation as a spa destination grew into a major industry in the 19th century. Innumerable celebrities and intellectuals have bathed in the famous mineral waters that flowed through this pipe. It measures
14" across.*-
#332 Wavellite**
3" x 2". From Avant Mine, Garland County, Arkansas, USA. These crystallized in "button-like" spheres, composed of tiny, "whisker-like" crystals in a radial structure, which when broken, the buttons display a crystal chatoyancy.*-
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