It is made up of corundum al2o3 and chromium impurities cr3 which are responsible for its wonderful red coloration.
Madagascar ruby vs burmese ruby.
Burma ruby unheated origin and lack of treatment should be certified.
However two important ruby deposits have also been discovered.
Cushion shaped graff ruby is an unheated stone from burma that sold at sotheby s geneva in november for 8 600 410 establishing a world auction record for a ruby.
Ruby is a form of aluminium oxide red corundum.
A lot of the finest ruby and sapphire mines fall into such zones according to hughes book.
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.
Madagascar produces mainly fine blue and pink sapphires.
Madagascar is relatively new in the gem market.
The pan african orogeny happened about 750 to 450 million years ago the result of which created gem deposits in kenya tanzania mozambique madagascar sri lanka and southern india.
The reason rubies from burma are so sought after besides the legendary source is that they often boast a super charged fluorescence.
The first lies.
Burmese rubies come from particular areas namely mogok in north burma and mong hsu to the eastern of mandalay.
The color of a ruby is due to the element chromium.
Add up to 20 or deduct to 10 for other cutting.
However with its impressive product qualities the red color gem has made its place in the gem market in a short span of time.
The ruby areas in madagascar are andilamena and vatomandry.
So the mozambique stone is somewhere in between a mixture of the best features of each a thai ruby that appears burmese a burmese ruby that appears thai.
One major difference between burma and mozambique is the strength of color.
Ruby is the most expensive gem in the corundum family.
Mozambique madagascar tanzania even if burmese rubies are still considered the most beautiful we have seen recently a very nice african production of beautiful crystal clear red rubies.
The word ruby comes from ruber latin for red.
Long considered the king of the ruby burmese ruby are about to be dethroned by theirs brothers of africa.
Add 7 to 10 for rounds pears marquis.
Burmese ruby madagascar ruby stone.
Madagascar rubies madagascar is the source of top fine quality range of rubies although madagascar rubies are relatively new to the gemstone market.
The name for this particular type of corundum is taken from the latin word ruber meaning red.
That iron does quench the fluorescence a bit but there is not as much as we find in thai cambodian rubies.