My
periodic table poster
is now available!
Ruthenium plated ring.
Ruthenium plating is used to give a dull gray, pewter-like finish to cheap jewelry.
Source:
eBay seller stephanieutz
Contributor:
Theodore Gray
Acquired:
17 April, 2009
Text Updated:
17 April, 2009
Price:
$24
Size:
1"
Purity:
<1%