Golden Earrings. Golden Earrings is a 1947 romantic spy film made by Paramount Pictures and starring Ray Milland and Marlene Dietrich. It was directed by Mitchell Leisen and produced by Harry Tugend from a screenplay by Frank Butler, Helen Deutsch and Abraham Polonsky, based on a novel by JolÃ¡n FÃ¶ldes.
pyrogenic (comparative more pyrogenic, superlative most pyrogenic) 1  producing heat, especially in the body. 2  producing fever. ( 3 geology) of a mineral formed from a magma at high temperature.
Fumed silica, also known as pyrogenic silica, is a non-crystalline, fine-grain, low density and high surface area silica. Not to be confused with silica fume, also known as microsilica. The production of precipitated silica starts with the reaction of an alkaline silicate solution with a mineral acid.