VTG AKR Sterling Silver Quartz Butterfly Pendant

VTG AKR Sterling Silver Quartz Butterfly Pendant Stunning vintage pendant by Amy Kahn Russell. stamped 925 AKR IN. Tarnishing on sterling silver parts present I can hit it with a Silver wipe if you let me know before shipping if not I’ll leave it as is. I think the stone is some sort of quartz or agate. when you hold it up to the light it looks like a dried desert sand pattern. Whatever it is it’s beautiful and she only uses genuine natural stones in her pieces. Approx 2.5” tall x 2” wide