That would depend on what you mean by rare and beautiful, both very subjective terms.
A common term used for these is gems.
iodine elements are rare
Elements of Group 18 may be called as;1-Noble gases 2-Rare gases 3- Inert gases
The elements beginning with Lanthanum (atomic number 57) and ending with Lutetium (atomic number 71) are called Lanthanides. They are also known as rare earth elements.
As of 2014, there are 17 known rare earth elements. In the early 1800s, only 2 were know.
Rare minerals are called rare earth minerals. Their major metal constituents contain one or more rare earth elements. Some common hydrothermal rare minerals include zircon, gadolinite, brockite, and titanite.
Elements in the first row of the rare earth elements of the Periodic Table are called LANTHANIDES.
They are called gemstones.Rare, beautiful minerals are generally classified as "gems" or "gemstones".
A common term used for these is gems.
litium, and elements in the 2nd period (row) are pretty common
rare earth
The rare earth elements are 17 proper elements, consisting of scandium, yttrium and the fifteen lanthanoids.All of the elements in the lanthanide and actinide series are considered "rare earth" elements
yes diamonds are rare and beautiful
Emeralds are expensive because they are rare and beautiful.
iodine elements are rare
They are called the trans-uranic elements. They are either synthetic or the rare product of radioactive decay.
alkaline earth metalsANSWERThe rare earth elements are scandium, yttrium and the 15 elements in the lanthanide group.