Emerald Jewelry

Where the name comes from: Esmaralda Latin via Esmeraude and Emeraude from Old French and Middle English respectively, originally Greek Smaragdos which simply means green gem.
Where the stones come from: Widespread. South America, particularly Colombia and Brazil, also Zambia, Zimbabwe and Madagascar in Africa, Pakistan, India, Afghanistan and Russia.
Chemistry: Beryllium aluminum silicate or Beryl, Be₃Al₂(SiO₃)₆  the green color is produced by small amounts of chromium and sometimes Vanadium ions.
Colors: Green in hues from blue-green to yellow-green.
...and another thing: Emeralds can range in age from some of the world's oldest gemstones, those from Zimbabwe may be 2600 million years old to a mere 9 million years for some Pakistani youngsters. Emeralds are one of the four precious gemstones along with diamonds, rubies and sapphires.
 

Prices correct at time of writing - subject to change

Kendra Scott Mini Elisa Satellite Short Pendant Women's Necklace Women's Necklace Gold Emerald Cats Eye, Brass/Crystal/Gold Plated $55	Kate Spade New York Kate Spade New York Set in Stone chunky huggies Women's Earring Emerald, Brass/Cubic Zirconia/Glass $78	Kendra Scott Elisa Enamel Frame Paperclip Women's Necklace Women's Necklace Gold Emerald Illusion, Brass/Gold Plated $80
Kendra Scott Daphne Enamel Frame Drop Women's Earrings Earring Emerald Illusion, Brass $98