This is a Sterling silver, Argentium Silver (Argentium Sterling silver is a modern sterling silver alloy with 92,5 % pure silver and 7,5% germanium) and Rose gold (14 karat) ring with a yellow Mexican Fire opal stone.
The granules are made of Argentium silver, which means, that they tarnish resistant, the rest of the granules are made of 14 K Rose gold, which gives the ring a warm glow.
The inner diameter of the ring shank is 1.8 cm ( 0.709 in) and is approximately a US size 8.
The band of the ring is 0.55 cm ( 0.217in) wide.
Fire opal's dimensions are: height 1.6 cm (0.623 in) width 1.4 cm (0.551 in).
The dimensions of the facade of the ring are: height 3.3 cm (1.299 in) width 2.35 cm (0.925 in).
The ring weights (with the stone) 12.4 g (0.437 oz).
