May’s “Gem of Spring” Birthstone, The Emerald: Nothing Greens Greener
Emeralds. May’s birthstone, and the gem of the twentieth and thirty fifth wedding anniversaries. This stone is a green to bluish green variety of beryl, a mineral species that also includes aquamarine. What is the dividing line between emerald and beryl? GIA has created lab-graded comparison stones to determine if the green color is […]