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Tanzanite

A variety of Zoisite

A gem variety of Zoisite with a blue to blue-violet colour.
Note that nearly all tanzanites on the market have been heat-treated to produce this colour.

First reported from the Merelani Hills (Mererani), Umba Valley, Lelatema Mts, Arusha Region, Tanzania.

Classification of Tanzanite

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Other Names for Tanzanite

Synonyms:
Tanjeloffite
German names:
TanjeloffitTansanitTanzanit
Spanish names:
TanjeloffitaTanzanita
Traditional Chinese names:
丹泉石

Other Information

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

References for Tanzanite

Reference List:Hurlbut, C.S., Jr. (1969): Gem Zoisite from Tanzania. American Mineralogist 54, 702ff.

Internet Links for Tanzanite

Search Engines:
  • Look for Tanzanite on Google
  • Look for Tanzanite images on Google
  • Mineral Dealers:
  • rare and unusual minerals mainly crystallized
  • Wilensky Fine Minerals
  • Buy from David K Joyce minerals
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Lapis Mineral Magazin
  • Top quality minerals from Kristalle of California
  • Search for Tanzanite at Thames Valley Minerals
  • Find Tanzanite on www.crystalclassics.co.uk
  • Search for Tanzanite on minvision.com
  • High-end worldwide specimens & outstanding customer service
  • Buy Fine Minerals from mineralsweb.com
  • Fabre Minerals - search for Tanzanite specimens
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    Localities for Tanzanite

    (TL) indicates type locality. ? 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.
    Kenya
     
    • Coast Province
      • Taita Taveta District
    Tanzania
     
    No reference listed
      • Lelatema Mts
        • Umba Valley
    Mineral and/or Locality
    Google
     
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