Almost 200 varieties of natural gemstone exist in our world. Some are precious and well-known like diamonds, rubies, sapphires but some are extremely rare. Mnay of us are unaware about these precious and beautiful gemstones. Here is our list of world’s rarest gemstones:-
Poudretteite
This hexagonal-shaped gemstone has a unique pink color and it’s very expensive!
Tanzanite
Tanzanite with its unique blue and violet colour is stunning, this gem forms because of a mineral ‘zoisite’.