Sterling Silver.  Andean opal is mined in Peru and it's a baby pink color. 

They measure 6mm diameter, blades measure 1/3", and earrings from top of wire measure 1 3/4". 

If you would like stoppers for the wires, just let us know. 

Inquire for pricing in 14K gold or a color stone of your preference 703-548-5509 [email protected]