What do you think may be the most expensive item or substance in the world right now ..?

   You may think that diamond, gold or gem etc. can be the most expensive item.

 But even more expensive substances exist in the world.

  Talking about the most expensive item in this world, it is so expensive that with just 1 gram of it, you can buy many countries of the world.

 Let us know about this expensive thing…

 1. Antimatter: Antimatter is the most expensive substance in the world.  It is very difficult to make, it can also be called almost impossible.  Despite a lot of effort, only 309 of its atoms could be made.

  Its 1 gram is worth Rs 31 lakh 25 thousand crore.

 2. Californium 252: Californium is also a very difficult radioactive substance.  It is also known as Neutron Antimatter and prior to the discovery of Antimatter, it was considered to be the most expensive substance in the world.  Its 1 gram is worth Rs 1800 crore.

 3. Diamonds: Four types of diamonds are found worldwide.

 Type-2B diamonds are the most expensive among them.  Its 1 gram is worth up to Rs 350 crore.  Many expensive diamonds exist around the world, but Kohinoor is currently considered the most expensive diamond in the world.  Its value is estimated to be around 10 billion rupees.

 4. Tritium: It is a radioactive substance also known as Hydrogen-3.  The biggest feature of tritium is that it has its own light, which makes it shine even in the dark.  It is used in making atomic bombs and hydrogen bombs.  Its 1 gram is worth 200 crores.

 5. Taaffeite: Tafit is a gem just like diamonds, emeralds or pearls.  But it is the least found gem in the world.  It is found all over the world only in Tanzania and Sri Lanka.  Currently, the value of 1 gram of this is Rs 130 crore.