Hexagonal

Name Sym

Americium Am

Berkelium Bk

Beryllium Be

Cadmium Cd

Californium Cf

Carbon C

Cobalt Co

Curium Cm

Dysprosium Dy

Erbium Er

Gadolinium Gd

Hafnium Hf

Helium He

Holmium Ho

Hydrogen H

Lanthanum La

Lutetium Lu

Magnesium Mg

Neodymium Nd

Nitrogen N 7

Osmium Os 76

Praseodymium Pr 59

Promethium Pm 61

Rhenium Re 75

Ruthenium Ru 44

Scandium Sc 21

Selenium Se 34

Technetium Tc 43

Tellurium Te 52

Terbium Tb 65

Thallium Tl 81

Thulium Tm 69

Titanium Ti 22

Yttrium Y 39

Zinc Zn 30

Zirconium Zr 40