Lots of small boulder opals to play with! Mixture of blues and greens in different shapes and sizes ranging from 4.7 x 6.2 to 4.5 x 13.7 mm. Nice little ring stones, match them for earrings or pendants. Some are 'gem quality' others less so. 50 pieces in total, combined weight is 52.1 ct/ 10.42 gram. Trade pricing!