How can I tell if my emerald earrings are real?

I got a pair passed on to me and I don't know if the emeralds are real emeralds. How can I tell?
i am not planning to sell them

Where can I find costume jewelry that looks similar to the Emerald earrings and ring Angelina Jolie wore?

I'm looking for costume jewelry of these earrings and ring:

http://stylewithanna.com/wp-content/uploads/2009/02/angelina-jolie-emerald-earrings-and-ring.jpg

Angelina Jolie wore them to the 2009 Oscars and I think it is a stunning look!

where do I find nice emerald earrings?

I want to buy some emerald earrings for my mom's birthday, but I don't know where to go to find some nice one's that won't completely break my bank. Are there any places online where I can look?

Can I buy Normal Emerald earrings in maplestory?

Hey, i got a lvl 31 Dawn Warrior in maplestory and i did Alex the runaway kid's quest but i got lightning earrings. I wanted emerald ones, now does anybody know if i can buy them and where?
-thanks

How much do Emerald Earrings Sell for on the Free market?

just an average selling price that will get them off my hands but still leave me with some cash....i don't have a shop on the free market i just walk around saying
'S>this item' that sorta thing but obviously a bit more detailed

i would also like to sell a scroll for topwear def. 10% success
i play on bera if that makes a difference?