Lot is for a weighed out parcel of 50 carats minimum. I always put a bit more. Counted out a few random scoops from the mother lode and they are between 160 and 175 pieces. Sizes from 3 mm round to 10x8 oval. There are navettes ovals and round stones of various sizes and color intensity. It is a great mix to have around for new creations as well as repairs. All Nice natural stone will make nice creations! Bid with confidence as these are genuine opal, I will refund your money if you are unsatisfied or unhappy! Many unique items are now listed so... Please visit our other auctions here onebay.