Go Green! my favorite color, with a jet black/grey agate, (is believed a powerful emotional healer; improves memory and concentration; it is also believed to prevent insomina and insure pleasant dreams) on a 22 inch long Gold filled chain and this pendant drops about 2 1/2 inches has a faceted agate gemstone, just beautiful in this dark, dark color, along with a Gold filled lobster clasp and a gold tone tiny heart charm.