Goed .999 Silwer & Sterling .925 Silwer
1. Goed .999 Silwer
Fine silver is the closest metal to the pure element silver. It is marked .999 wat aandui 99.9% suiwerheid. Die 0.1% remainder consists of trace elements of insignificant quantity. Fine silver has a more vitreous luster than the bright polish of sterling. It appears grayer and slightly dull. This type of silver is quite soft and will scratch, dent and change shape fairly easily. Om daardie rede, it is less common in jewelry because items will not wear well over time.
Nietemin, there are benefits to fine silver. It is easy to form, it fuses without solder and it is highly resistant to tarnish. Fine silver is best for earrings or necklaces instead of rings or bracelets that are bumped and scratched more frequently because it is such a soft metal. Silver clay products reduce to fine silver and have increased the demand for pure silver jewelry in the US market. Hill Tribe silver is often .999 ook. The most common quality stamp on this metal is .999 FS or just .999.
2. Sterling .925 Silwer
Sterling is die juweliersware-gehaltestandaard in die Verenigde State en die meeste wêreldmarkte. Dit is 'n allooi van 92.5% silwer. Die oorblywende 7.5% is gewoonlik koper al is dit soms ander metale soos nikkel. Die ander metale in die legering verhoog die hardheid sodat die materiaal meer duursaam sal wees. Allooi-byvoegings skep ook die kleur en glans wat so waardeer word deur verbruikers. Sterling silwer is die silwer kleur waarmee ons die meeste vertroud is en die mees algemene tipe silwer in Amerikaanse juwelierswinkels. Dit is baie helder en blink, maar dit sal verkleur. Tarnish is maklik om skoon te maak met geredelik beskikbare poleerprodukte. Sterling silwer is harder as fyn silwer, maar dit is steeds sag in vergelyking met ander metale. Fyn sterling silwer ketting en dun metale kan gerek word of “geteken” onder spanning. En juweliersware sal gekrap of ingeduik word as dit rondgestamp word. Sterling kan gesoldeer word, herhaaldelik gevorm en uitgegloei. Die mees algemene kwaliteit seëls is .925 en Stg. Halstead is 'n markleier in sterling silwer juweliersware voorrade.