roito..  i'm no scientist, but the way i see it, since so many of our other elements have been hypothesized to be formed in a solar furnace, i'd take berilium to be no exception.  it's probably just left over from the nebula that produced our solar system.  However, astral bodies that collide with the earth also carry with them certain chemicals, so the source of berilium on this planet can also be attributed to some degree to those, as well.  \nhere's a neat factoid for ye..  protein strains that are slammed into the earth at those fantastic speeds known to meteors, upon impact, form amino acids...  if i can recall that episode of NOVA i saw on m'local PBS station correctly.  ;)
where does berilum come from?