Tanzanite also known as the purple rock costs about 600-1000 $ per carat. It is made up of calcium, aluminium , silicon, hydrogen and oxygen.
The rare stone is named after the gemologist who found it. The stone is so rare that only a handful of them have been found. It costs about 1500-2000$ per piece. It is made up of magnesium, beryllium, aluminium and oxygen.
3. Black Opal
Black Opal is the rarest type of Opal stone and it is the national gem of Australia. The stone is so rare that it costs . It is made up of silicon, hydrogen and oxygen.
4. Red Beryl
Red Beryl is also called scarlet emerald or bixbite. This rare gemstone is found in Utah and Mexico. The gemstone costs a whooping per carat. It is made up of beryllium, aluminium, silicone and oxygen.
The deep green colored gemstone is priced at per carat. It is made up of aluminium, iron, silicon and oxygen. It is one of the best looking gems, thanks’ to it;s unique color.
Musgravite is a similar rarest rocks like Taafeite. It is priced at per carat. It is made up of Magnesium, Beryllium, aluminium, zinc, iron and oxygen.
It is made up of calcium, boron, magnesium, aluminium and oxygen. It is priced at 50,000- per carat. It is one of the rarest rocks found on earth.
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