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Hiddenite

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William E. Hidden
Colour:
Green
Name:
Named in 1881 by Joseph Lawrence Smith in honor of William Earl Hidden [February 16, 1853 Providence Rhode Island, USA - June 12, 1918 Newark, New Jersey, USA], mining engineer, mineral collector, and mineral dealer. Hidden was co-namer of mackintoshite in 1893. The town of Hiddenite was named after the mineral variety in 1913.
A variety of Spodumene

Hiddenite was not originally defined by Kunz as has been sometimes claimed. Smith (1881) did state: "I have employed all the necessary care in examining for chromium, but have found no indication of its presence." Smith tried to verify the presence of vanadium, but could only conclude that his qualitative results would have been similar to either vanadium or chromium. Smith does indicate that his hiddenite varied from pale green to emerald green, "though the color is not so intense as in the finest variety of the latter gem."

Colorless or yellow spodumene should not be referred to as Hiddenite. Green spodumene that is photosensitive and not permanently color stable is not hiddenite.

The mineral variety hiddenite was originally described from Alexander Co., North Carolina, USA. The area where hiddenite was found was governed by county government and was then known as an informal settlement called "White Plains". The town name "Hiddenite" was not granted a charter until 1913, thirty years after the naming of the mineral variety hiddenite.




Visit gemdat.org for gemological information about Hiddenite.

Classification of Hiddenite

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Physical Properties of Hiddenite

Colour:
Green

Other Names for Hiddenite

Name in Other Languages:
German:Hiddenit
Spanish:Hiddenita

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Hiddenite

Localities for Hiddenite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Afghanistan
 
Jose Zendrera Collection
Brazil
 
  • Minas Gerais
    • Jequitinhonha valley
Bauer & Bouska, 1983. Precious & Semi-precious Stones
China
 
  • Xinjiang Autonomous Region
    • Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
      • Aletai Prefecture (Altay Prefecture)
        • Fuyun Co. (Koktokay Co.)
http://www.smartminerals.com/cina2004/art_China_localities.htm
Finland
 
  • Western and Inner Finland Region
    • Seinäjoki
      • Peräseinäjoki
Vilpas, L. 1995. Etelä-Pohjanmaan jalo-, koru- ja koristekivet. Geologian tutkimuskeskus, Opas - Geological Survey of Finland, Guide 40
Madagascar
 
  • Fianarantsoa Province
    • Amoron'i Mania Region
      • Ambatofinandrahana District
        • Mandrosonoro Commune
          • Ambatovita
http://www.geminterest.com/ : "Pezzottaïte: "Béryl", Traduction, Arrangement, Données par JM. Arlabosse, .
Sri Lanka
 
  • Sabaragamuwa Province
    • Ratnapura District
      • Ratnapura
Ceylon Aluvial Mine, (Book, Co. 2002)
USA
 
  • California
    • San Diego Co.
      • Pala District
        • Pala
Jahns, Richard Henry & Wright, Lauren A. (1951), Gem and lithium-bearing pegmatites of the Pala district, San Diego County, California. California Division of Mines Special Report 7-A: p. 31.
  • New Hampshire
    • Cheshire Co.
      • Alstead
Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.48
  • North Carolina
    • Alexander Co.
USGS , Mineral Resources On-Line Spatial Data, 2005
Charles Palache,S.C Davidson,E.A Goranson,Aug-1930,The Hiddenite Deposit in Alexander County,North Carolina,American Mineralogist,Vol 15,1930,No.8
Rocks & Min.:60:84.
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Rocks & Minerals 79:5 p 344; Rocks & Min. (2007) 82:243; Mertie, John Beaver, Jr. (1959) Quartz crystal deposits of southwestern Virginia and western North Carolina. USGS Bulletin: 1072-D
Brown,D.,and Wilson,W.,(2001) The Rist and Ellis Tracts, Hiddenite,North Carolina:The Mineralogical Record #32,p.132-140
Kunz, G. F. 1907. History of the Gems found in North Carolina: Beryl Gems and Spodumene (Hiddenite). North Carolina Geological and Economic Survey, Bulletin No. 12. Chapter 6, pages 37-48.
  • South Dakota
    • Custer Co.
      • Custer District
        • Fourmile
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Mineral and/or Locality  
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