tanzanite
noun Etymology: Tanzania, Africa Date: 1968 a mineral that is a deep blue variety of zoisite and is used as a gemstone

New Collegiate Dictionary. 2001.

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  • Tanzanite — Catégorie IX : silicates[1] Tanzanite (Zoïsite) …   Wikipédia en Français

  • tanzanite — (n.) violet blue gemstone, 1968, named by Henry B. Platt, vice president of Tiffany & Co., because the stone was discovered in the African nation of Tanzania …   Etymology dictionary

  • tanzanite — [tan′zə nīt΄] n. [ TANZANIA + ITE1] a deep blue variety of zoisite, used as a semiprecious stone …   English World dictionary

  • Tanzanite — Infobox mineral name = Tanzanite category = Mineral Variety boxwidth = boxbgcolor = caption = Tanzanite gemstone, featuring an oval mixed cut formula = (Ca2Al3(SiO4)(Si2O7)O(OH)) color = Purple to Blue habit = Crystals flattened in an acicular… …   Wikipedia

  • tanzanite — /tan zeuh nuyt /, n. Mineral. a variety of zoisite valued as a gem for its purplish blue color and strong pleochroism. [1965 70; named after TANZANIA, where found; see ITE1] * * * …   Universalium

  • tanzanite — noun /ˈtænzəˌnaɪt/ A trichroic violet blue variety of the mineral zoisite mined in Tanzania, used as a gemstone …   Wiktionary

  • tanzanite — tan·za·nì·te s.f. TS mineral. varietà di zoisite blu, usata come gemma {{line}} {{/line}} DATA: 1967. ETIMO: der. di Tanzania, v. anche tanzaniano, con 2 ite …   Dizionario italiano

  • tanzanite — tan•za•nite [[t]ˈtæn zəˌnaɪt[/t]] n. jew a variety of zoisite valued as a gem for its blue color and strong pleochroism • Etymology: 1965–70; after Tanzania …   From formal English to slang

  • tanzanite —  n.f. Pierre précieuse originaire de Tanzanie …   Le dictionnaire des mots absents des autres dictionnaires

  • tanzanite — /tan zeuh nuyt /, n. Mineral. a variety of zoisite valued as a gem for its purplish blue color and strong pleochroism. [1965 70; named after TANZANIA, where found; see ITE1] …   Useful english dictionary

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