Judith Jack Two Toned Vintage Teardrop Pendant Necklace!

Judith Jack Two Toned Vintage Teardrop Pendant Necklace! I can't figure out what the gem is. Nothing on Google lens Vintage NWT RARE Pictures are part of the description. Measurements are approx and for your interpretation! Judith and her husband Jack Rosenberg created the company Judith Jack in 1969 when they realized there was very little marcasite estate jewelry available. They had been selling antique pieces, and they could not keep up with the demand for this beautiful victorian-inspired jewelry from their buyers. 11.21W 25