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
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.… … The Collaborative International Dictionary of English
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 — 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} …