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  2. List of mineral tests - Wikipedia

    en.wikipedia.org/wiki/List_of_mineral_tests

    Associated rock type; With what rock type and/or other minerals is this mineral found? Degree of metamorphism and alteration; Mineral shape, properties or form been altered. Lattice structure and geochemistry; Signature chemical elements and bonds of the mineral. For example, is the mineral hydrous like mica or non hydrous like Jadeite.

  3. Relative density - Wikipedia

    en.wikipedia.org/wiki/Relative_density

    A United States Navy Aviation boatswain's mate tests the specific gravity of JP-5 fuel. Relative density, also called specific gravity, [1] [2] is a dimensionless quantity defined as the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material.

  4. Monazite - Wikipedia

    en.wikipedia.org/wiki/Monazite

    Monazite can be isolated as a nearly pure concentrate by the use of gravity, magnetic, and electrostatic separation. Monazite sand deposits are prevalently of the monazite-( Ce ) composition. Typically, the lanthanides in such monazites contain about 45–48% cerium , about 24% lanthanum , about 17% neodymium , about 5% praseodymium , and minor ...

  5. Heavy mineral sands ore deposits - Wikipedia

    en.wikipedia.org/wiki/Heavy_mineral_sands_ore...

    Heavy mineral sands are placer deposits formed most usually in beach environments by concentration due to the specific gravity of the mineral grains. It is equally likely that some concentrations of heavy minerals (aside from the usual gold placers) exist within streambeds, but most are of a low grade and are relatively small.

  6. Galena - Wikipedia

    en.wikipedia.org/wiki/Galena

    Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver. [5]Galena is one of the most abundant and widely distributed sulfide minerals.

  7. Jet (gemstone) - Wikipedia

    en.wikipedia.org/wiki/Jet_(gemstone)

    Jet has a Mohs hardness ranging between 2.5 and 4 and a specific gravity of 1.30 to 1.34. ... is the "Jet Rock" [9] ... When non destructive testing is required, ...