Only red corundum is entitled to be called ruby all other colours being classified as sapphires.
All about ruby gemstone.
Trace elements that become part of the mineral s crystal structure cause variations in its color.
Most gemological authorities expect a medium to medium dark red color tone in a ruby.
The color of a ruby is due to the element chromium.
Gem quality ruby displays a color range of pure red to a darker purple red color.
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These gemstones have excellent hardness.
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Despite the differences all of varieties of ruby have the potential to display comparable shades of red.
All other color varieties of gem quality corundum are referred to as sapphire.
Ruby is gem quality red corundum.
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Ruby is distinguished for its bright red color being the most famed and fabled red gemstone.
Ruby gemstone is the gemstone of planet sun.
Stones lighter than this are called pink sapphire.
Following are the advantages of ruby gemstones of all zodiac signs.
Chromium is the trace element that causes ruby s red color.
Sapphire the other gem variety of corundum encompasses all colors of corundum.
A ruby is a pink to blood red coloured gemstone a variety of the mineral corundum aluminium oxide other varieties of gem quality corundum are called sapphires ruby is one of the traditional cardinal gems together with amethyst sapphire emerald and diamond.
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Burmese ruby perhaps the most famous ruby gemstone is best known for its prized pigeon blood color that is present in its most beautiful specimens.
Finally like with all gemstones the carat weight of a ruby plays a role in its value with a larger ruby commanding a higher value than a smaller one.
On the mohs scale their score of 9 is second only to that of the diamond.
This makes ruby one of the most important gems in the colored stone market.
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An exceptionally high quality ruby that combines rich natural color with other quality factors is exceptionally rare and often worth an incredible amount.
In its purest form the mineral corundum is colorless.
Ruby history and lore.
Beside for its bright color it is a most desirable gem due to its hardness durability luster and rarity transparent rubies of large sizes are even rarer than diamonds.
The color comes from traces of chromium.
The word ruby comes from ruber latin for red.
Meanwhile the sun shares a healthy relationship with the planet mars which is regarded as the governing planet of aries.
Ruby is the red variety of the mineral corundum.