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Mineral formulas

Deposit material Mineral/formula Problem or risk... [Pg.267]

A number of the observed minerals (formulae given in Table 22.4) do not form... [Pg.329]

Mineral Formula Theoretical content (% Sn) Specific gravity... [Pg.88]

Mineral Formula Assays (%) Specific gravity Hardness... [Pg.112]

Mineral Formula Theoretical grade % Ti02 Specific gravity (g/cm3) Hardness... [Pg.176]

Mineral Formula Calculated Experimental Calculated Experimental... [Pg.89]

Table 1. Ideal clay mineral formulae control-... Table 1. Ideal clay mineral formulae control-...
At the third level, the most detailed partition of luminescence minerals is carried out on the basis of metals in the mineral formulae, hi rare cases we have minerals with host luminescence, such as uranyl minerals, Mn minerals, scheelite, powellite, cassiterite and chlorargyrite. Much more often luminescent elements are present as impurities substituting intrinsic cations if their radii and charges are close enough. Thus, for example, Mn + substitutes for Ca and Mg in many calcium and magnesium minerals, REE + and REE substitutes for Ca, Cr substitutes for AP+ in oxygen octahedra, Ee substitutes for Si in tetrahedra and so on. Luminescence centers presently known in solid-state spectroscopy are summarized in Table 4.2 and their potential substitutions in positions of intrinsic cations in minerals in Table 4.3. [Pg.45]

To calculate the hardness of complex isodesmic minerals, formula (3.5) takes a somewhat different form ... [Pg.18]

Mineral Formula Fonmla Wt(g) Density (gem3) Crystal 298 System (Jmote 1) ogKjp (calc) togKsp (ret 2) IOC Kgp (Other)... [Pg.41]

Month Gem (mineral) Formula Colour Chromophore Origin of colour... [Pg.107]

Mineral (formula) Cation site Configuration of coordination site Metal-oxygen distances Range (pm) Average (pm) Sources of data... [Pg.244]

The data from different sources does not often match exactly, while it has been necessary to use the data on oxides from one source and phosphates of the same elements from another. To avoid any confusion resulting from this, we have used a certain order in using these sources. Pourbaix s Atlas of Electrochemical Equilibria [1] is the first source that we have used for the Gibb s free energy of oxides and ions, and for the solubility product constants. This is prompted by the fact that much of the formulation discussed in this book is hinged to Pourbaix s treatment, and to be consistent, Pourbaix s data is preferred over others. The CRC Handbook of Chemistry and Physics [2] is the next source from which much of the enthalpy and specific heat of oxides and ions are taken. The data on phosphates comes from The Phosphate Minerals [3], while the mineral formulae are from Dana s Mineralogy Handbook [4] and also from The Phosphate Minerals [3]. These detailed references and additional ones [5,6] useful for further development of CBPC materials are given below. [Pg.255]

See other pages where Mineral formulas is mentioned: [Pg.232]    [Pg.195]    [Pg.268]    [Pg.269]    [Pg.68]    [Pg.152]    [Pg.341]    [Pg.221]    [Pg.148]    [Pg.150]    [Pg.24]    [Pg.518]    [Pg.72]    [Pg.308]    [Pg.309]    [Pg.310]    [Pg.73]    [Pg.74]    [Pg.26]    [Pg.46]    [Pg.112]    [Pg.564]    [Pg.16]    [Pg.161]    [Pg.41]    [Pg.113]    [Pg.264]    [Pg.1135]    [Pg.94]    [Pg.256]    [Pg.1961]    [Pg.31]    [Pg.54]   
See also in sourсe #XX -- [ Pg.4 ]



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