Apple Green Turquoise fat oval focal bead - ~0.65mm hole. This bead makes a great focal pendant. Bead is drilled through the center lengthwise. Stones will vary as no 2 stones are alike. This picture is enlarged to show detail.
Stabilizing is a ordinary process used to make lower grade Turquoise hard enough to be shaped. This then also a buyer the ability to purchase genuine Turquoise stone at a much lower price than unstabilized Turquoise.