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After color follows clarity: similar to diamonds, a clear stone will command a premium, but a ruby without any needle-like rutile inclusions may indicate that the stone has been treated. Ruby is the traditional birthstone for July and is usually pinker than garnet , although some rhodolite garnets have a similar pinkish hue to most rubies.
Corundum is a crystalline form of aluminium oxide (Al 2 O 3) typically containing traces of iron, titanium, vanadium, and chromium. [3] [4] It is a rock-forming mineral.It is a naturally transparent material, but can have different colors depending on the presence of transition metal impurities in its crystalline structure. [7]
This is an accepted version of this page This is the latest accepted revision, reviewed on 7 February 2025. Very slightly purplish, deep red For the pigments used to make the color, see Carmine. "Carmine red" redirects here. For the RAL color, see Carmine red (RAL). Carmine Powdered carmine pigment Color coordinates Hex triplet #960018 sRGB B (r, g, b) (150, 0, 24) HSV (h, s, v) (350°, 100% ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 9 January 2025. Color that represents the ruby gemstone The topic of this article may not meet Wikipedia's general notability guideline. Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it ...
On "Antiques Roadshow" we took a trip back to 1998 when a woman brought in a gorgeous diamond and ruby jewelry collection she inherited from her great aunt, who was married to a congressman back ...
In South American folklore, the carbuncle is a small elusive animal containing a mirror, shining gemstone or riches like gold. [4] [5] The description of the carbuncle vary, some saying it looks like a firefly in the night, or like having a bivalve-like shell and maize ear shape. [4]
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The color is caused by the size and dispersion of gold particles. Ruby gold glass is usually made of lead glass with added tin. Silver compounds such as silver nitrate and silver halides can produce a range of colors from orange-red to yellow. The way the glass is heated and cooled can significantly affect the colors produced by these compounds.