[Jewelry making - Article 00366] - Re: [Orchid] "Cherry Quartz" beads

[r_carew]

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    Don, Quartz is a very hard substance.  It is 7 on the Mohs scale of
    hardness (http://www.amfed.org/t_mohs.htm).  If you can scratch your
    beads with a piece of regular quartz you probably have a piece of
    glass.  If you cannot scratch it with quartz, try scratching it with
    a piece of topaz which is 8 on the hardness scale.  If it is quartz,
    topaz will scratch it easily.  If you don't happen to have a
    collection of different minerals quartz is very easy to find.  It
    comes in the crystals with which most people are familiar and it also
    comes in various forms of massive formations like veins, usually
    white in color, or in smaller pieces called chalcedony.  Agate is a
    form of quartz as is jasper.  I am sure you can find most of these at
    any rock shop, or if you are lucky enough to live in an area where
    the rocks are exposed enough to see quartz is literally everywhere. 
    It is the most common mineral on earth. 



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