Solid Niobium Polished Density Cube 10mm - 8.57gElemental metallic 1 cm elemental cubes These highly polished cubes are great educational tools Each Niobium cube is solid and of high purity of 99. 9%, highly polished by hand for many hours to reach a mirror finish, and laser engraved with its periodic info. This is an heirloom piece that will last forever. Niobium, also known as columbium, is a chemical element with the symbol Nb (formerly Cb) and atomic number 41. Here are some interesting facts:

Shockingly rigid and lightweight

The high refractive index of the crystal shows off the unique color of your choice of tea or liquor

creating a unique badge of honor for a well-loved camp stove

It has high electrical conductivity (59

The earliest recorded crystal cup made with the Ancient Dewaxing Technique was used by Liusheng

Originating from China’s Yixing region in Jiangsu Province

* Hafnium (13

and durability to last a lifetime

dedicate this set to one type of tea

It is resistant to corrosion in seawater

Weight: 20g

our new carabiner is lightweight and super strong