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Valencianite (variety of Adularia, Feldspar)
Current inventory:  0 gems
 

Valencianite

  
Valencianite was named in 1830 by Johann Friedrich August Breithaupt (1791-1873), a German mineralogist, for the first occurance at the Valenciana Mine, Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico.

First cited in 1830; IMA status: Not Valid (variety name)

 

 

 

More Information

   

   

 

Valencianite is a variety of Adularia, Feldspar.
For more information please see the
Adularia, Feldspar information page.
 

Synonyms:

Valencianite (of Breithaupt)

Type Locality:

Valenciana Mine, Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico

Year Discovered:

First cited in 1830

View mineral photos:

Valencianite Mineral Photos and Locations

More Information:

Mindat.org

 

 


V
alencianite is a unique variety of Adularia, which is a variety of Orthoclase which belongs to the large group of minerals known as the Feldspar Group. Valencianite was named in 1830 by Johann Friedrich August Breithaupt (1791-1873), a German mineralogist, for the first occurance at the Valenciana Mine, Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico. The Valenciana Mine is a silver and gold mine reaching a depth of about 1,800 feet. The mine began operation in 1774 and has accounted for two-thirds of the world’s silver production.

Waldemar Lindgren was the first writer to emphasize the occurance of Orthoclase as a vein mineral in 1898. The name Valencianite was revived by Lindgren, who suggested Valencianite is a better name to use for vein Orthoclase than Adularia because vein Orthoclase is not usually clear and glassy like typical Adularia. Valencianite specimens consist of sharp, pearlescent, snow-white Valencianite blades accented with small Quartz and Calcite crystals. The crystals are subtransparent and up to 2 cm in length, showing stout prismatic habit.

Valencianite distribution: at the type locality at Valenciana Mine, Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico. At the Seikoshi mine, Shizuoka Prefecture, Japan. At at Rhonegletscher, Switzerland. In the US at Silver City, Idaho and Cripple Creek, Colorado. Vein Orthoclase has also been recorded from several localities in Germany, Austria, Norway, New Zealand and Mexico.
 

  
Valencianite gems for sale:

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