Fineness
Fineness describes the proportion of gold to silver alloys.
Finger Ring Size
Finger Ring Size is a standard measurements for rings.
Fineness: A measure of purity for precious metal alloys.
Fire (Dispersion): Reflected spectral colors that radiate - flash - from the inside of a polished diamond.
FINENESS - The proportion of precious metal in an alloy expressed as parts per 1000.
GOLD - Latin name Aurum. Chemical symbol Au.
GOLD FIXING - Held twice each working day at 10.30am and 3.00pm GMT.
fineness
A measure of the amount of pure gold in a metal, in parts per thousand.
karat ...
Fineness
Fineness refers to the purity of a precious metal. The purity of a precious metal measured in 1,000 parts of an alloy. For example, a gold bar, containing 995 parts gold and 5 parts of another metal alloy, is considered with .
fineness
The proportion of silver or gold in their alloys, usually experessed in parts per thousand
fine gold
Pure gold, rather than an alloy with only a certain percentage of gold ...
Fineness - The purity of gold is described by parts per thousand, or by the karat. The purer the gold, the higher the fineness. 24 k gold is pure and has a 999 fineness stamp.
Fineness - The purity of a precious metal alloy usually expressed in parts per thousand (for example a gold bar of .995 fineness contains 995 parts gold and 5 parts of another metal. Thus 995 or two nines five is 995/1000 or 99.5% pure).(See Karat) ...
Fineness: The proportion of silver or gold that can be found in a metal alloy.
Finial: An ornamental often sculptured knob that sits at the terminal end of object.
Crude fineness testing is done with dilute nitric acid. Silver + dilute HNO3 yields a creamy white to brown liquid. Alloys containing Cu, Ni, and brass effervesce and yield a green, yellowish green or bluish green color.
Millesimal fineness if usually rounded to a three figure number, especially when used as a hallmark or quality mark.
The millesimal fineness system is an extension of the older karat system.
(Read full article on Sterling Silver) ...
Karat: The fineness of gold (also see "carat," used for gemstones). 24K is pure gold. 18K is 18 parts gold, 6 parts other metals. 14K is 14 parts gold, 10 parts other metals. 12K is 12 parts gold, 12 parts other metals.
The fineness of the luster of a pearl, or as is said in the trade, the orient, depends upon the number of layers that take part in the reflection, and this number in turn depends upon the translucency of the material and the thinness of the layers.
The measure for the fineness of gold and gold alloy, expressed as a number, Out of 24 parts by weight, of parts of gold in the alloy, e.g. '24 carat' means pure gold, '14 carat' means 14/24ths gold in the alloy.
CameoShell carved in relief to show design CaratA measure of the fineness of gold or gold alloy. The number of carats is the number of parts by weight of pure gold in 24 parts of the metal. CaratAbbreviated "ct.
Jewelry of this fineness is marked "18k" or "750," the European designation meaning 75 percent gold.
In the United States, 14-karat gold is used most commonly for jewelry. Fourteen-karat gold is 14/24ths, or slightly more than one-half pure gold.
(4) An industry product or part thereof, on which there has been affixed on all significant surfaces by an electrolytic process, an electroplating of gold, or of a gold alloy of not less than 10 karat fineness, ...
Gemstone Physical Composition: Agate is a member of the Chalcedony or Quartz family characterised by its fineness of grain, brightness of colour, and dramatic banding.
The purity of gold is described by its fineness' (parts per 1,000) or by the carat (karat in the USA).
The nacre thickness determines the surface fineness and the luster of the pearl. The size could be anything bigger then 0.8mm. The higher the pearl quality and bigger the size the costlier it is.
Gold is also specified by fineness, where a fineness of 1000 indicates 100% purity. 14K gold thus has a fineness of 585, and this number is often stamped on jewelry instead of the karat mark.
The firm's most marked contribution to jewellery design rests not in any particular trend that it initiated but in the technical fineness of its pieces, in particular, its enameling. Fabergé's enamelists, as jewellery historian A.
KaratA measure of fineness; 24 karat is fine gold. One karat equals 1/24 (.0417%), so that 14 karats is 14/24 fine gold and the balance 10/24 is alloy.
The carat system is increasingly being complemented by the millesimal fineness system, in which the purity of precious metals is denoted by parts per thousand of pure metal in the alloy, whereby 24ct has a millesimal fineness of 999 or higher, ...
Karats are a unit of measure indicating the fineness of gold. Gold in its purest state is referred to as 24-karat gold. Most gold jewelry is actually made from a gold alloy containing gold and another metal or metals.
Karat: A unit of fineness for gold equal to 1/24 part of pure gold in an alloy. Pure gold is designated 24K and is much too soft to be used in jewelry except as a decoration.
For a jewelry piece to be labeled as "platinum" or "PLAT" it must have a "fineness" (millesimal fineness) of at least 95% pure platinum.
Measure of fineness of gold. 24k is pure gold, while 20k, 18k, 14k etc. are alloys of gold combined with base metal, usually various combination of silver, copper, zinc, tin, cadmium, or nickel.
Carat (usually abbreviated ct or K) is a measure of the fineness of gold, where 24ct gold is pure gold (although this is not a fineness that you can buy as it is too soft for jewellery).
Gold-filled A gold alloy plate made by soldering, brazing, welding or other means that is not less than 10Kt fineness, where the plating constitutes at lest 1/20th of the weight of the metal in the entire article.
The value of a cat'seye gem is, related to both the inherent value of the gem species, and the fineness of the cat'seye display.
A hallmark is the official mark stamped or inscribed in metal which indicates the fineness of the metal and the manufacturer. For example, a hallmark of 925 indicates the piece is 92.
There are three compulsory hallmarks applied to precious metals as a quality control: a sponsor's (maker's) mark, a fineness mark, and an assay office mark.
A hallmark is an official mark (or a series of marks) made in metal that indicates the fineness of the metal and the manufacturer's mark. For example, a hallmark of 925 indicates 925 parts of gold per 1000 weight.
Karat (abbreviated Kt) is a measure of the fineness of gold. 24 karat gold is pure gold. 18 karat gold is 18/24 gold (about 75% gold - three quarters gold). 14 karat gold is 14/24 gold (about 58% gold - a little over half gold).
Fineness: A word relating to the proportion of pure gold or silver in an article of jewelry. Florentine Finish: An engraving technique wherein parallel lines are cut into metal in two different directions.
When spelled with a "k," the word "karat" is a qualitative designation used to describe the fineness of a metal. Every jewelry metal is an alloy which contains different metals in various amounts.
Victorian pieces are likely to be unmarked, but later pieces are marked with the fineness of the gold layer, and the part by weight of the gold. For example a piece marked "1/10 12K G.F.
These "fineness" marks are stamped into the metal and indicate the ratio of pure silver to added alloys, and can appear marked as sterling, sterling silver, 925, 92.5 or .925. A maker's mark or trademark must accompany the quality stamp.
Karat Gold: A gold alloy of not less than 10 karat fineness, preceded by the karat fineness of the alloy, such as 14 karat gold or 14 K. gold.
L
Lacquer: a synthetic varnish in which resins asphalt or cellulose acetate serves as bases.
A standard measure of fineness used for gold. 24karat is 100% pure gold, One karat is1/24th, 14karat is 14/24 pure gold and 10/24 is alloy (harder metals).
Locket
A hinged, closable pendant made to enclose a picture or lock of hair ...
To be preceded by karat fineness of the gold portion, ie. 14k gold filled.
18 Karat - Karats are a unit of measure indicating the fineness of gold. Most gold jewelry contains gold and another metal, making it an alloy. 18 karat gold is 75% pure gold and is often preferred in jewelry for its beauty and durability.
Hallmark: All precious metal jewellery (gold, silver and platinum) must be marked with a "quality" or "fineness" mark and registered with the manufacturer's hallmark.
Many panels were painted or embroidered at home as a hobby and the fineness of any such screen obviously depends on the skills of a particular home-decorator.
Ounces
troy ounces of a fineness of 999.9 parts per 1,000 parts, equal to 31.1034 grams ...
The mark stamped on the back of jewelry indicating the fineness or purity of the metal content. e.g. 925 for sterling silver.
I
intaglio ...
Most gold-filled jewelry is marked with the fineness of the gold layer, and the part by weight of the gold. so a piece marked "1/10 12K G.F." is at least 1/10 12K based on the weight of the finished piece. In the U.S.
karat - A measure of the fineness of gold. One karat is equal to one part in twenty-four in gold alloy.
L ...
18-karat gold is 18/24ths, or three-quarters pure gold, and jewelry of this fineness is marked 18k or 750, the European designation meaning 75% gold.
Karat (abbreviated Kt.) is the measurement of gold used to note the purity and fineness of the metal.
KARAT PLATINUM ...
Precious Metal - any metal alloy which contains gold, silver or platinum that has a minimum amount of fineness which meets the standards detailed in the Precious Metals Marking Standards Act.
Karat - describes the fineness of gold; one unit is the equivalent of 1/24 part gold.
Luster - quality of surface appearance which depends on its reflecting qualities.
Matinee length - 20 to 24 inch length for a necklace.
200 grams, or 200 milligrams, was adopted in the United States in 1913 and is now standardized in the principal countries of the world. Not to be confused with karat. Karat refers only to the fineness of pure gold and gold alloys.
example, some jewelry is processed with a layer of gold which has been mechanically bonded to a base metal. This jewelry cannot have a karat mark unless it is qualified. In other words it must be marked "gold filled" preceded by the karat fineness; e.
If all other factors are equal, the more a stone weighs, the more valuable it will be. It is sometimes incorrectly spelled 'Karat', but Karat refers only to the fineness of pure gold and gold alloys.
 See also: Jewel, Gold, Color, Jewelry, Metal
  
|
RSS
