Southwestern vibe turquoise & black onyx look pendant with black cord necklace

Turquoise & black onyx pendant with black cord style necklace & sterling silver with 925 stamp purchased from HSN approx 17.5” in length with 1.5” extension ***Uncertain info regarding stones & if genuine or synthetic - missing paperwork *** have a turquoise & black onyx look to them Southwestern Southwestern style Southwestern vibe Southwestern necklace Southwestern jewelry Turquoise Turquoise necklace Turquoise jewelry Sterling silver Sterling silver jewelry Turquoise & sterling silver Black onyx Black onyx jewelry Western Western style Southwestern fashion Cord necklace Cord style necklace Stone Stone pendant Pendant necklace New in box and packaging - paperwork missing Purchased from HSN - in anti tarnish packaging from HSN