Sheila Tso Navajo Spiny Oyster/opal channel inlay earrings. 1.5" tall x 3/8" wide x 5.9 grams with no issues. Navajo artisan "Sheila Tso" is a traditional Navajo artist that instinctively knows how to create earrings that cater solely to women.. Known for her fabulous lookin cluster jewelry, she carefully selects each stone, that she then lays out in some of the most attractive designs that are in todays market!