The red color of the stone is caused by high amounts of chromium being present during the stone s formation.
What is a natural red ruby.
Heated natural ruby is also a very broad definition and as you can see from this blog article there is different levels of heat treatment which can affect the ruby price.
Natural rubies are valuable and highly sought after.
The word ruby comes from ruber latin for red.
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.
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.
Most gemological authorities expect a medium to medium dark red color tone in a ruby.
When determining the quality of ruby based on its color the hue saturation and tone must always be taken into account.
The name ruby is derived from the latin word ruber which means red.
Natural b this category accounts for over 50 of natural gemstones.
The corundum family of gemstones consists of ruby and sapphire.
A natural ruby is formed from corundum the same element that creates sapphires.
In most markets pure red colors command the highest prices and ruby with overtones of orange and purple are less valued.
Ruby is distinguished for its bright red color being the most famed and fabled red gemstone.
The ruby is a variety of corundum.
The color of a ruby is due to the element chromium.
Color is the most significant factor affecting a ruby s value.
Synthetic ruby is a ruby that comes in less expensive than real rubies and is oftentimes used to substitute natural rubies albeit a cheap substitute.
The color comes from traces of chromium.
The finest ruby has a pure vibrant red to slightly purplish red color.
Ruby is the red variety of the mineral corundum.
If it is a fine a deep red ruby with great transparency and can increase in price to thousands of dollars for each carat.
Price from highest to lowest is 1 normal heat treatment 2 heat treatment with flux residue inside the ruby 3 heat treatment with chemically diffusion.
Ruby is gem quality red corundum.
Ruby is also the birthstone that represents the month of july.
To determine whether the ruby you want to purchase is synthetic or natural consult with an expert.
All other color varieties of gem quality corundum are referred to as sapphire.
The ruby was synthesized by the verneuil process in 1902 and since that time many rubies that appear in the marketplace are synthetic.
Stones lighter than this are called pink sapphire.
Corundum is very compact dense and lacks gemstone cleavage it s also the second hardest natural mineral after diamond.