ASSAY, ASSAYING:
To test the purity of gold, silver, or other precious metal. A tiny sample is taken to determine the percentage of metals present.
Assaying
Process of determining the proportions of precious metal contained in a piece of gold or silver
Assay Hallmark
Hallmark showing the office which assayed the metal used in a piece of jewelry (English) ...
assaying - Testing alloys, bullion and ores to determine the proportions of precious metal content.
B
B & S Gauge - Standard American gauge used to measure the thickness of wire and sheet.
Assaying
Process of determining the proportions of precious metal contained in a piece of gold or silver
Assay Hallmark ...
Assaying
Testing precious metal with the help of chemicals to determine the purity (%) to the norm standards.
Assembled gemstones
Altered gemstones to improve they appearance and quality. Alterations (backfoil, backing, doublets, triplets) ...
13:55, 1 July 2011 (hist) (diff) Silver Assaying & Hallmarking ‎ (top)
13:54, 1 July 2011 (hist) (diff) Hallmarks ‎ (top)
08:08, 29 June 2011 (hist) (diff) User talk:Bjgomer13 ‎ (â†'reply) (top) ...
in form Art Nouveau A period of design between the 1890's and 1910; the jewelry is characterized by flowing lines, unusual interpretations of nature, the use of women with long flowing hair and the utilization of unusual materials Assaying ...
The touchstone process was possibly the first method of assaying gold and was used at least as early as 500 BC, when the touchstones were made of slate.
Hallmark: A form of consumer protection against fraud, hallmarks are simply marks stamped onto a precious metal by a legally appointed official after assaying to denote the amount of precious metal contained in a piece.
A mark stamped into precious metals to indicate its purity or fineness, the maker or sponsor, the Assay Office where it was tested, and the year that it was tested. This process of hallmarking dates back to 1300 when Edward I instituted the assaying ...
 See also: Metal, Jewel, Jewelry, Assay, Cut
  
|
RSS
