Vintage Native American Silver with Turquoise Cross Necklace

Vintage Native American silver and turquoise cross necklace Chain is approximately 18" Delicate cross measuring 1 1/2" from top of bail to tip of cross, and 3/4" from left to right side of cross I can't find any stamps on this item but it does tarnish, so assume it is sterling silver Color has mostly green - actual color may vary from photos due to lighting or your display device settings