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Tanzanite

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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 (400-500°C) to produce this colour. Original colour is brown. Note also that tanzanion is used as a synthetic simulant for tanzanite.

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



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Classification of Tanzanite

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Other Names for Tanzanite

Synonyms:
Tanjeloffite
Other Languages:
Dutch:Tanzaniet
Finnish:Tansaniitti
French:Tanzanite
German:Tansanit
Tanjeloffit
Tanzanit
Hebrew:טנזניט
Japanese:タンザナイト
Lithuanian:Tanzanitas
Norwegian (Bokmål):Tanzanitt
Polish:Tanzanit
Portuguese:Tanzanite
Spanish:Tanzanita
Tanjeloffita
Swahili:Tanzanaiti
Swedish:Tanzanit

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:
  • Lapis Mineral Magazin
  • Buy rare minerals from Excalibur Minerals
  • The Arkenstone - Fine Minerals
  • Find Tanzanite on www.crystalclassics.co.uk
  • Fine and rare minerals from mintreasure.com
  • Fine minerals from bisbeeborn.com
  • Buy from McDougall Minerals
  • Buy from Dave Bunk Minerals
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • SpiriferMinerals.com - high quality low prices
  • Tanzanite specimens for sale - minfind.com
  • rare and unusual minerals mainly crystallized
  • Specimens:The following Tanzanite specimens are currently listed for sale on minfind.com.

    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.
    Tanzania
     
    No reference listed
    • Manyara Region
      • Simanjiro District
        • Lelatema Mts
          • Merelani Hills (Mererani)
    Wilson, W.E., Saul, J.M. Pardieu, V. & Hughes R.W. (2009): Famous Mineral Localities. The Merelani Tanzanite Mines, Lelatema Mountains, Arusha Region, Tanzania. Mineralogical Record, 40: 347-408.
    Wilson, W.E., Saul, J.M. Pardieu, V. & Hughes R.W. (2009): Famous Mineral Localities. The Merelani Tanzanite Mines, Lelatema Mountains, Arusha Region, Tanzania. Mineralogical Record, 40: 347-408.
    Min Rec (2009) 40:347-408
    C. Lemanski, Jr.
    Andy Seibel
    Natural HistoryMuseum of Los Angeles Co.specimen catalogue No. 41249.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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