Some gemstones that are popularly or historically called rubies such as the black prince s ruby in the british imperial state crown are actually spinel.
Real blood red ruby.
Some of the other types of rubies are star pigeon s blood burmese burma fuchsite ruby and zoisite ruby.
This color is due to a trace of chromium oxide.
If it has a deep bloody red color then it is known as the pigeon s blood ruby.
The color of a ruby is due to the element chromium.
Traditional descriptions like these are useful for evoking images and describing color among professionals.
The most prized color of a ruby is pigeon blood red which is a brilliant pinkish red.
In 1979 american gemological laboratories introduced the first ever colored stone grading reports.
All other color varieties of gem quality corundum are referred to as sapphire.
Ruby is one of the traditional cardinal gems together with amethyst sapphire emerald and diamond.
Instead a ruby is mostly judged by the richness and depth of its natural red color.
The color comes from traces of chromium.
Burmese pigeon blood ruby historically the term pigeon s blood described the red to slightly purplish or pinkish red color of rubies with a soft glowing red fluorescence.
Real rubies glow with a deep vivid almost stoplight red.
As per the quality ethics a well faceted large size ruby bearing pigeon blood red color strong fluorescence intense glow and optimum clarity preferably from burma belongs to the category of rarest of the rare gemstone.
Most gemological authorities expect a medium to medium dark red color tone in a ruby.
The pigeon s blood sunrise ruby sold for a record 30 3 million at sotheby s in 2015.
It is nothing but commercial quality glass filled ruby.
Ruby is gem quality red corundum.
Indian ruby which is dark red.
Fake gems are often dull.
Despite bearing the finest color blood red ruby stone is further assessed by its origin color strength fluorescence clarity and cut to find the best quality blood red ruby gemstone.
Other varieties of gem quality corundum are called sapphires.
A ruby is a pink to blood red coloured gemstone a variety of the mineral corundum.
They are light but not bright if the gem is more of a dark red then it may be garnet instead of a ruby.
The word ruby comes from ruber latin for red.
Gemsny s fabulous online collection of loose natural rubies includes burmese pigeon blood and more.
This is also not used for gem therapy purposes.
This proliferation of reports certifying that stones exhibit pigeon s blood red marks the second great paper chase for lab documents in 35 years.
Prices for old burma ruby if not too pink and more towards red with good clarity levels of 80 and above should start at usd 1000 per carat onwards.