This gemstone is actually made of aluminum borate mineral with fluoride and hydroxide ions.
What is the most expensive stone.
When we think of precious stones diamonds emeralds and rubies jump to mind as the most valuable gemstones in the world.
Here is the top 10 list of most expensive gemstones in the world.
And the third one in this amazing top is diamond.
There are less than 30 red.
Taaffeite wasn t identified until 1945 when a stone that was already cut and labeled as spinel underwent further testing.
And also the most advertised and romanticized.
Check out these ten incredibly rare and insanely expensive gems below.
1 jeremejevite 2000 per carat.
What gemstone is most valuable.
8 bixbite 10 000 per carat this gemstone is also known as the red beryl emerald.
Tanzanite 1 200 per carat black opal 9 500 per carat red beryl 10 000 per carat musgravite 35 000 per carat alexandrite 70 000 per carat emerald 305 000 per carat ruby 1 18 million per carat pink diamond 1 19 million per carat.
Unlike most gemstones that have a variety of locales this relatively new stone has only been found in northern tanzania.
Not only are they rare but they are also known to have a spectacular brilliance and are the hardest substance found on earth.
Bixbite is marked with rarity and is found in sierra county in new mexico.
Above we featured the diamond as one of the most expensive gemstones and coming in at number 1 with a price tag of over 1 million per carat is the red diamond.
The first gemstone was discovered by masai tribesman ali juuyawatu in 1967.
The most expensive emeralds ever sold identified as the rockefeller emerald were priced at about 305 000 per carat at the christie s auction.
The stone has also been unearthed in brazil mexico the united states mali and ethiopia.
Rough diamond is a mineral that is one of the most expensive and desirable among gemstones.
Tanzanite is a blue gem quality variety of zoisite and is one of the official birthstones of december.
Now it s time to talk about top 3 of the most expensive precious stones.
Out of all other gemstones they are arguably the most popular among people.
Pavel vladimirovich eremeev discovered it in siberia.
But of course the name implies that black is the rarest and most expensive one of all the stone has also been found in brazil mexico the united states mali and ethiopia.
This stone most definitely takes the award for least well known gem on our list of the most expensive gemstones.
However or perhaps surprisingly there are so many gemstones that are even more rare and in turn even more valuable.
But the most rare and most expensive are the black opals.
This of course is due to the huge popularity of so called cut diamonds.
