Laurite

Laurite

Laurite is an opaque black, metallic ruthenium sulfide mineral with formula: RuS2. It crystallizes in the isometric system. It is in the pyrite structural group. Though rare, it occurs in many parts of the world.

General information

Laurite has a Mohs hardness of 7.5 and a specific gravity of 6.99. It can contain osmium, rhodium, iridium, and iron substituting for the ruthenium. It occurs in ultramafic layered magmatic cumulate deposits and sedimentary placer deposits derived from them.

Discovery

It was discovered in 1866 in Borneo, Malaysia and named for Laurie, the wife of Charles A. Joy, an American chemist.

References

* [http://www.mindat.org/min-2344.html Mindat location data]
* [http://webmineral.com/data/Laurite.shtml Webmineral]


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Look at other dictionaries:

  • Laurite — Lau rite, n. [Etymol. uncertain.] (Min.) A rare sulphide of osmium and ruthenium found with platinum in Borneo and Oregon. [1913 Webster] …   The Collaborative International Dictionary of English

  • laurite — noun /ˈlɔɹ.aɪt/ A rare sulphide of osmium and ruthenium found with platinum in Borneo and Oregon, with the chemical formula RuS …   Wiktionary

  • laurite — lau·rite …   English syllables

  • laurite — /ˈlɔraɪt/ (say lawruyt), /ˈlɒ / (say lo ) noun a mineral sulphide of ruthenium and osmium, which occurs as small cubic crystals often associated with platinum. {German laurit} …  

  • laurite — ˈlȯˌrīt, ˈläˌ noun ( s) Etymology: German laurit, probably from the name Laura + German it ite : a mineral RuS2 consisting of an iron black ruthenium sulfide often containing osmium and found in minute crystals or grains …   Useful english dictionary

  • List of minerals K-M (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… …   Wikipedia

  • Pyrite — Catégorie II : sulfures et sulfosels[1] Pyrite Octaèdre Mines de Huaron, Pérou (8×8 cm) …   Wikipédia en Français

  • Laurit — Chemische Formel RuS2 Mineralklasse Sulfide und Sulfosalze 2.EB.05a (8. Auflage: 2/D.17 100) (nach Strunz) 02.12.01.10 (nach Dana) Kristallsystem kubisch Kristallklasse …   Deutsch Wikipedia

  • List of minerals — This is a List of minerals for which there are Wikipedia articles. Mineral variety names and mineraloids are to be listed after the valid minerals for each letter.For a complete listing (about 4,000) of all mineral names: List of minerals… …   Wikipedia

  • Sperrylite — Infobox mineral name = Sperrylite boxwidth = caption = formula = PtAs2 color = tin white habit = well formed finely crystalline, massive to reniform system = cubic cleavage = cubic indistinct fracture = conchoidal mohs = 6 7 luster = metallic… …   Wikipedia

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