1) Bismuth mineral 2) Sulfide mineral 3) Trigonal mineral
Found on
https://www.crosswordclues.com/clue/tetradymite
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 rhombohedral, but are rarely distinctly developed; they are twinned together in groups of four; hen...
Found on
http://en.wikipedia.org/wiki/Tetradymite
• (n.) 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.
Found on
http://thinkexist.com/dictionary/meaning/tetradymite/
a sulfide mineral of bismuth and tellurium (Bi2Te2S). It is commonly found in gold-quartz veins and contact-metamorphic deposits, as in Idu, Japan; ...
Found on
http://www.britannica.com/eb/a-z/t/30
Tet·rad'y·mite noun [ Greek
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 .
Found on
http://www.encyclo.co.uk/webster/T/34
Tetradymite (telluric bismuth also known as bismuth telluride) is a telluride of bismuth. It is of a pale steel-grey colour and metallic lustre, and usually occurs in foliated masses mixed with sulphur and selenium.
Found on
http://www.probertencyclopaedia.com/browse/HT.HTM
Bismuth telluride, tri-
Found on
http://www.translationdirectory.com/glossaries/glossary075.htm
No exact match found.
