Tetradymite

Tetradymite
Tetradymite Tet*rad"y*mite, n. [Gr. tetra`dymos fourfold. So named from its occurrence in compound twin crystals, or fourlings.] (Min.) A telluride of bismuth. It is of a pale steel-gray color and metallic luster, and usually occurs in foliated masses. Called also {telluric bismuth}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Tetradymite — Catégorie II : sulfures et sulfosels Tetradymite Glacier Gulch Colombie britannique, Canada (45x26mm) …   Wikipédia en Français

  • Tétradymite — Catégorie II : sulfures et sulfosels[1] Tetradymite Glacier Gulch Colombie britannique, Canada (45x26mm) …   Wikipédia en Français

  • Tetradymite — is a mineral consisting of bismuth, tellurium and sulfide, Bi2Te2S, also known as telluric bismuth. If sulfur is absent the mineral is tellurobismuthite and the formula is then Bi2Te3. Traces of selenium are usually present.Crystals are… …   Wikipedia

  • tétradymite — ● tétradymite nom féminin Sulfotellurure naturel de bismuth Bi2Te2S, hexagonal …   Encyclopédie Universelle

  • tetradymite — [te trad′i mīt΄] n. [Ger tetradymit < Gr tetradymos, fourfold (because it occurs in compound twin crystals) + Ger it, ITE1] a pale steel gray mineral, Bi2Te2S, consisting chiefly of tellurium and bismuth …   English World dictionary

  • tetradymite — /te trad euh muyt /, n. a mineral, bismuth telluride and sulfide, Bi2Te2S, occurring in soft gray to black foliated masses. [1840 50; < Gk tetrádym(os) fourfold (see TETRA , DIDYMOUS) + ITE1; modeled on G Tetradymit] * * * ▪ mineral       a… …   Universalium

  • tetradymite — tetradimitas statusas T sritis chemija apibrėžtis Mineralas. formulė Bi₂Te₂S atitikmenys: angl. tetradymite rus. тетрадимит …   Chemijos terminų aiškinamasis žodynas

  • tetradymite — noun a grey mineral that is mostly a mixed sulfide of bismuth and tellurium …   Wiktionary

  • tetradymite — te·trad·y·mite …   English syllables

  • tetradymite — /tɛˈtrædəmaɪt/ (say te traduhmuyt) noun a mineral, bismuth telluride and sulphide, Bi2Te2S, occurring in soft grey to black foliated masses. {German Tetradymit, from Greek tetradymos fourfold + it ite1} …  

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