[Jewelry making - Article 00074] - Re: [Orchid] Platinum rings - which alloy is best?

[John Donivan]

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    From the point of view of the user of platinum jewelery -i.e. - the
    one with it on their finger, platinum is much more durable than gold.
    That is because you, like many, are confused about the concept of
    hardness. Diamond is the hardest substance on earth, it is true. If
    you put it on an anvil, and whack it with a hammer, it will probably
    smash into pieces. That's because hardness means one and only one
    thing: What scratches what? Platinum is not so hard, but what it is
    is tough. That is to say that it resists deformation. Platinum prongs
    will outlast gold prongs by 5-10 times. Lastly, if your intended is
    concerned about scratches, then there is no solution - any precious
    metal ring is going to show it's age, over time.

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