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Topic: Gold (color)


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In the News (Thu 18 Jul 19)

  
  Gold, Color Therapy, HolisticOnLine
Gold is an important color in oriental healing.
Gold is a color that can strengthen the energies associated with the entire immune system.
In ayurveda, gold is believed to affect the ojas.
www.holisticonline.com /Color/color_gold.htm   (0 words)

  
  Writer's Corner - The Coloration of Dahlonega Gold Coins
It should be understood that the color of the Dahlonega gold coins was more a function of the minting methodology employed at the facility, than of the raw material from which they were produced.
Another factor in discussing the coloration of gold coins is whether or not a specific coin is in the "original state," which usually means that it has an "aged patina," much as would a carefully preserved antique, or whether it has been cleaned/chemically treated.
Gold coins with silver and copper tend to be less orange, and if the silver content is high enough, the coins do not look orange at all, possessing a light “green gold” color.
www.goldrushgallery.com /news/coloration.html   (1731 words)

  
 GOLD | American Museum of Natural History
Because gold is a soft metal, it is often alloyed, or combined, with other metals to make it harder.
A metal alloy that is 75 percent gold is measured as 18 karats.
Gold containing 25 percent of other metals is said to have a fineness of 750.
www.amnh.org /exhibitions/gold/incomparable/language.php   (275 words)

  
 Gold body jewelry   (Site not responding. Last check: )
The price of gold jewelry is dependent upon the purity of the gold used or karat weight, as well as the design and construction of the piece of jewelry.
When the karat weight or the gold percentage of the jewelry is high, the yellow color of gold is brighter, raising the value of the jewelry.
Gold won't tarnish, rust, or corrode, and though it's very strong, it is also the most malleable of all metals.
www.noyajewelry.com /gold.php   (219 words)

  
 Why are copper, silver, gold, iron, brass colored? (metals)
However, if the efficiency decreases with increasing energy, as is the case for gold and copper, the reduced reflectivity at the blue end of the spectrum results in yellow and reddish colors, respectively.
Gold is so malleable that it can be beaten into gold leaf less than 100 nm thick, then revealing a bluish-green transmitted-light color.
When gold is in metallic colloidal form, however, as in the 10-nm-diameter particles in "ruby glass," the very complex "Mie scattering theory" has to be used to explain the unexpected red color illustrated in Plate VIII; the yellow glass in this figure is colored by Mie scattering from metallic colloidal silver particles.
webexhibits.org /causesofcolor/9.html   (867 words)

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