Magnesium crystals.

 
Magnesium turnings.

 
Magnesium powder.

 
Distilled magnesium.

 
Vapour grown crystals of magnesium.

 
Magnesium vapour grown crystals in ampoule (with clean surface).

 
Another vapour grown crystals of magnesium.

 
Vintage magnesium flash-bulb.

 
Magnesium rod.

 
Magnesium alloy detail (from cell phone).
Composition limits of AZ91D :
8.3-9.7% Al, 0.15% Mn min.
0.35-1.0% Zn, 0.10% Si max.
0.005% Fe max., 0.030% Cu max.
0.002% Ni max., 0.02% max. other (each)
balance Mg.