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After the Second World War, ruby deposits were found in Madagascar, Mozambique, Nepal, Pakistan, Tajikistan, Tanzania, and Vietnam. [11] The Republic of North Macedonia is the only country in mainland Europe to have naturally occurring rubies. They can mainly be found around the city of Prilep. Macedonian rubies have a unique raspberry color. [12]
In March 1886 explorer David Lindsay found what he thought were rubies at what became known as Ruby Gap in the bed of the Hale River (Lhere Altera/Arletherre) [7] [3] and he wrote in his diary on 8 March 1886 that he had discovered a granite bar "completely studded with garnets or rubies".
These were once known as "Balas rubies". The quality of a ruby is determined by its color, cut, and clarity, which, along with carat weight, affect its value. The brightest and most valuable shade of red called blood-red or pigeon blood, commands a large premium over other rubies of similar quality.
Individually, ruby-bearing zones can measure up to 20 metres in thickness and up to 200 metres in length. They may occur as single showings, but are usually found in alignments of multiple showings, with some of the occurrences such as The Ruby Island Line collectively up to 3.5 kilometres in strike length, and as much as 100 metres in width. [5]
It is told that two small gemstones were more red like rubies, but largest was only half red, more like red-pink, that why it was dyed to be red like real ruby. Experts believe that they were sapphire or ruby. Largest gemstone carat weight could be from 3,000 to 6,000 carats, at that time and probably still now one of the largest ruby/sapphire ...
The five cardinal gems. Clockwise from top: sapphire, ruby, emerald, amethyst, diamond. Cardinal gems are gemstones which have traditionally been considered precious above all others. The classification of the cardinal gems dates back to antiquity, and was largely determined by ceremonial or religious use as well as rarity. [1]
A pair of ruby slippers, famously donned by Judy Garland (in character as Dorothy Gale) in “The Wizard of Oz,” has been returned to its owner years after the shoes were stolen from a museum ...
[5]: 431–707 Sapphire and rubies are often found in the same geographical settings, but they generally have different geological formations. For example, both ruby and sapphire are found in Myanmar's Mogok Stone Tract, but the rubies form in marble, while the sapphire forms in granitic pegmatites or corundum syenites. [5]: 403–429