'Rare' used to describe a natural diamond describes many diamonds. Red is generally acknowledged as the most rare natural colour in diamonds. Then, the Moussaieff Red, could be called the world's rarest diamond. You can read more about this stone, below.
liquids
The rarest color in auroras is blue. Blue auroras occur at higher altitudes than other colors, around 60 miles above the Earth's surface. They are less commonly seen compared to green and red auroras.
One of the rarest types of clouds is the noctilucent cloud, which is a type of cloud that forms in the mesosphere at very high altitudes. They are typically seen in polar regions during the summer months and can appear to glow in the twilight sky.
The rarest Lego Star Wars piece is probably the 10k golden C3PO. Made out of real gold, there are very few in the world.
what is the rare rock ever
i would strongly say that plan b gold IS THE RAREST TECH DECK EVER TO BE MADE.
Peace on Earth
I don't know if this is the rarest name ever, but a very rare, but beautiful, girls name is Shyquerian (also spelled Shiquerian, Shiquerien, Shyquerean, or even Shycwearian) this name is pronounced: SHY-QUEER- E- N
the rarest Japanese eraser ever is the chicken dinner plater or the octopus oden or the plum puddding!
The least rarest silly band is anything in the pets pach they were the first ever made!
The rarest Pokemon ever in my opinion is probably Arceus since it is so hard to get. I like most pies except pineapple or cherry.
Ditto
The black apple is the rarest silly band because hardly any are ever made.
Arach-ned is the rarest garbage pail kid card in the world. There is only one of them ever made!
phantom corsair .... only one was ever made
The Ninsquith - nobody's ever heard of it.