Tungsten jewelry
is more expensive than silver jewelry, but silver jewelry is with
low hardness, and tend to darken over time.
Tungsten jewelry is the hardest metal, almost
the same hardness as diamond. The nature of tungsten
jewelry is very stable, never worn, never change, eternal light, brighter luster.
The hardness of tungsten
jewelry is in the 8.5-9.5 level, it is four times harder
than that of titanium, steel, so tungsten is basically zero scratches.
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