Titanium(II) sulfide
Encyclopedia
Titanium sulfide (TiS) is an inorganic chemical compound
of titanium
and sulfur
.
A meteorite, "Yamato 691
", contains tiny flecks of this compound, making it a new mineral
called Wassonite
.
Chemical compound
A chemical compound is a pure chemical substance consisting of two or more different chemical elements that can be separated into simpler substances by chemical reactions. Chemical compounds have a unique and defined chemical structure; they consist of a fixed ratio of atoms that are held together...
of titanium
Titanium
Titanium is a chemical element with the symbol Ti and atomic number 22. It has a low density and is a strong, lustrous, corrosion-resistant transition metal with a silver color....
and sulfur
Sulfur
Sulfur or sulphur is the chemical element with atomic number 16. In the periodic table it is represented by the symbol S. It is an abundant, multivalent non-metal. Under normal conditions, sulfur atoms form cyclic octatomic molecules with chemical formula S8. Elemental sulfur is a bright yellow...
.
A meteorite, "Yamato 691
Yamato 691
The Yamato 691 is the 4.5 billion year old chondrite meteorite discovered by members of the Japanese Antarctic Research Expedition on the blue ice field of the Queen Fabiola Mountains in Antarctica, on December 21, 1969.-History:Yamato 691 was one among 9 meteorite specimens identified by the...
", contains tiny flecks of this compound, making it a new mineral
Mineral
A mineral is a naturally occurring solid chemical substance formed through biogeochemical processes, having characteristic chemical composition, highly ordered atomic structure, and specific physical properties. By comparison, a rock is an aggregate of minerals and/or mineraloids and does not...
called Wassonite
Wassonite
Wassonite is an extremely rare sulfide mineral with chemical formula TiS. Its discovery was announced in a 2011 NASA press release as a single small grain within an enstatite chondrite meteorite called "Yamato 691", which was found during a 1969 Japanese expedition to Antarctica...
.