Elsmoreite is a hydrous tungsten oxide mineral with formula WO₃·0.5(H₂O). Elsmoreite is a colorless to white, translucent isometric mineral. It has a Mohs hardness of 3, exhibits no cleavage and has a splintery fracture. It has a vitreous to adamantine luster. It is optically isotropic with an index of refraction of n = 2.24. General Name, Symbol, Number tungsten, W, 74 Chemical series transition metals Group, Period, Block 6, 6, d Appearance grayish white, lustrous Standard atomic weight 183. ... An oxide is a chemical compound containing an oxygen atom and other elements. ... In crystallography, the cubic crystal system (or isometric crystal system) is the most symmetric of the 7 crystal systems. ... Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer. ... The refractive index of a material is the factor by which electromagnetic radiation is slowed down (relative to vacuum) when it travels inside the material. ...

It forms from the oxidation of ferberite within granitic pegmatite dykes and in pegmatitic greisen veins. It has a structure based on a defect pyrochlore lattice (A2B2O6O’). The most fundamental reactions in chemistry are the redox processes. ... Ferberite is a black mineral composed of iron(II) tungstate (tungsten oxide), chemical formula FeWO4. ... This article or section does not cite its references or sources. ... A dike in geology refers to a tabular intrusive igneous body. ... Greisen is a highly altered granitic rock or pegmatite. ... In geology, a vein is a finite volume within a rock, having a distinct shape, filled with mono or poly mineralic crystal aggregates, which were precipitated from an (aqueous) fluid. ... Pyrochlore (Na,Ca)2Nb2O6(OH,F) is a niobate of calcium, cerium, and other bases, occurring usually in octahedrons of a yellowish or brownish color and resinous luster. ... The ordinary meaning of lattice is the basis for several technical usages A cherry lattice pastry A mathematical lattice that is a type of partially ordered set. ...

It was first described for an occurrence in Elsmore Hill, New South Wales, Australia from where it takes its name. Capital Sydney Government Constitutional monarchy Governor Professor Marie Bashir Premier Morris Iemma (ALP) Federal representation  - House seats 50  - Senate seats 12 Gross State Product (2004-05)  - Product ($m)  $305,437 (1st)  - Product per capita  $45,153/person (4th) Population (End of March 2006)  - Population  6,817,100 (1st)  - Density  8. ...

References

• Williams, P.A., Leverett, P., Sharpe, J.L., Colchester, D.M. (2005): Elsmoreite, cubic WO3•0.5H2O, a new mineral species from Elsmore, New South Wales, Australia. Canadian Mineralogist, 43, 1061-1064
• American Mineralogist, volume 91, pages 216-224, 2006.
• Mindat
• Webmineral data