Metal Powder/Pulver
These powders are made of real metal and for this reason cost more and are potentially more dangerous than mica powders. It is important to use a dust mask when working with metal pulvers. Use metal powders for many of the same purposes as mica powders.
Examples
Mona Lisa Authentic Metal Powders, from Houston Art
http://www.houstonart.com/metallicpowder.asp
Fimo Pulvers, from Eberhard Faber
http://www.eberhardfaber.com/Creative_accessories.EBERHARDFABER?ActiveID=16868
Bronzes and Tro-Col, from Schmincke
http://www.schmincke.de/data/content/uk/uk_index.htm
Availability
Metal powders may be available in craft stores in the clay section or near the metal leafing products. They can also be ordered on-line.