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2. Fineness - Wikipedia

   en.wikipedia.org/wiki/Fineness

   For example, knowing that standard 18-carat yellow gold consists of 75% gold, 12.5% silver and the remaining 12.5% of copper (all by mass), the volume of pure gold in this alloy will be 60% since gold is much denser than the other metals used: 19.32 g/cm 3 for gold, 10.49 g/cm 3 for silver and 8.96 g/cm 3 for copper.

3. Crown gold - Wikipedia

   en.wikipedia.org/wiki/Crown_gold

   Crown gold is a 22 karat (kt) gold alloy used in the crown coin introduced in England in 1526 (by Henry VIII). [1] In this alloy, the proportion of gold is 22 parts out of 24 (91.667% gold). Crown gold is appreciably less prone to wear than the softer 23 kt gold of earlier gold sovereigns — an important point for coins intended for everyday ...

4. The price of gold keeps climbing to unprecedented heights ...

   www.aol.com/price-gold-keeps-climbing...

   The New York spot price of gold closed Tuesday at just over $2,657 per Troy ounce — the standard for measuring precious metals, which is equivalent to 31 grams — the highest recorded to date ...

5. Pennyweight - Wikipedia

   en.wikipedia.org/wiki/Pennyweight

   A pennyweight (dwt) is a unit of mass equal to 24 grains, 1 ⁄ 20 of a troy ounce, 1 ⁄ 240 of a troy pound, approximately 0.054857 avoirdupois ounce [1] and exactly 1.55517384 grams. [2] It is abbreviated dwt , d standing for denarius – (an ancient Roman coin), and later used as the symbol of an old British penny (see £sd ).

6. Gold on track for best year in over a decade

   www.aol.com/gold-track-best-over-decade...

   Gold prices were little changed on Tuesday, the last trading day of an eventful year that saw the metal post its best annual performance in more than a decade. Spot gold rose 0.1% at $2,608.09 per ...

7. File:Gold Spot Price per Gram from Jan 1971 to Jan 2012.svg

   en.wikipedia.org/wiki/File:Gold_Spot_Price_per...

   English: This chart shows the nominal price of gold along with the price in 1971 and 2011 dollars (adjusted based on the consumer price index). The historical gold price was obtained from www.igolder.com; CPI was obtained from www.rateinflation.com. The data is in section Chart Data.