what is the shiniest luster



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    Lustre is the way in which the mineral reflect lights and has nothing to do with color.  A mineral’s lustre can be classified as shiny, vitreous, metallic, dull, waxy or pearly to name a few of the most popular.  The metals that are the shiniest are either from the adamantine or metallic group.

    Adamantine minerals reflect light the best (have a high refractive index).  The best example is a diamond. 

    Minerals with a metallic lustre can also be considered shiny and have the outward appearance of polished metal and often reflect light like a mirror would.  Examples are galena, pyrite and magnetite. 

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