Yeah, I read that too this morning.. and it infuriated me as it's inaccurate. Read here:
http://www.cpsc.gov/businfo/frnotices/fr09/leadlimits.pdfstarting with the last section on page 2...
"(c) The following natural materials do
not exceed the 600 ppm or 300 ppm
lead content limits under section 101(a)
of the CPSIA provided that these
materials have neither been treated or
adulterated with the addition of
materials or chemicals such as
pigments, dyes, coatings, finishes or any
other substance, nor undergone any
processing that could result in the
addition of lead into the product or
material:
(1) Precious gemstones: Diamond,
ruby, sapphire, emerald.
(2) Semiprecious gemstones provided
that the mineral or material is not based
on lead or lead compounds and is not
associated in nature with any mineral
that is based on lead or lead compounds
(minerals that contain lead or are
associated in nature with minerals that
contain lead include, but are not limited
to, the following: Aragonite, bayldonite,
boleite, cerussite, crocoite, linarite,
mimetite, phosgenite, vanadinite, and
wulfenite).
(3) Natural or cultured pearls.
(4) Wood.
(5) Natural fibers such as cotton, silk,
wool, hemp, flax, linen.
(6) Other natural materials including
coral, amber, feathers, fur, untreated
leather."