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									FINDINGS / Silver findings / Finger ring

Sterling silver Finger ring size 18
195 kr
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9 st
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Sterling silver fingerring - Weddingband 8 mm wide size 18 ( 56 mm id)

Measurements:           8 mm wide size 18 (est 17.7 mm ID)
Weight:                 est 6 gr
Package of:             1 pce
Material:               Sterling silver
Place of origin:        Thailand
Anti-tarnish treated:   Yes

Materialinformation           Visa/dölj

Sterling silver is an alloy of silver
containing 92.5% by weight of silver
and 7.5% by weight of other metals,
usually copper. The sterling silver
standard has a minimum millesimal
fineness of 925.

Fine silver (99.9% pure) is
generally too soft for producing
large functional objects; therefore,
the silver is usually alloyed with
copper to give it strength, while at
the same time preserving the
ductility and beauty of the precious
metal. Other metals can replace the

06/08/11 14:12:03
copper, usually with the intent to
improve various properties of the
basic sterling alloy such as reducing
casting porosity, eliminating
firescale, and increasing resistance
to tarnish. These replacement
metals include germanium, zinc and
platinum, as well as a variety of
other additives, including silicon and
boron. A number of alloys, such as
Argentium sterling silver have
appeared in recent years,
formulated to lessen firescale or to
inhibit tarnish, and this has sparked
heavy competition among the
various manufacturers, who are
rushing to make claims of having
the best formulation. However, no
one alloy has emerged to replace
copper as the industry standard,
and alloy development is a very
active area.
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