Specification Brand : Generic BulletPoint1 : A metal niobium cube engraved with the periodic table BulletPoint2 : Its purity is ≥99.95% BulletPoint3 : Its size is 10*10*10mm BulletPoint4 : Its weight is approximately 8.58g BulletPoint5 : Package includes: 1pc pink niobium cube IncludedComponents : 1pc ItemName : 10mm Pink Niobium Cube Metal 1pc, ≥99.95% High-Purity Engraving Nb, for Laboratory Experimental Projects, Periodic Table Sample Collection, Scientific and Laboratory Experimental Projects ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : science-classroom-specimens Manufacturer : Generic NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : NB10MM202504181435 ProductDescription : Niobium, with the element symbol Nb and the atomic number 41, belongs to the VB group of metals. Its density is 8.57g/cm³, its melting point is as high as 2477°C, and its boiling point is 4744°C. Niobium is silver-gray, soft and ductile, and is a rare high-melting-point metal.