FHNP367 - Natural Green Prehnite Nugget -Undrilled Raw Rough Gemstones Chunks Loose Stone Specimen for jewelry making- 3 Pcs Sell Unit 3 Pcs Nugget.The Stone vary in size. Average size about 20mm(Approx ). These are all natural and vary. Photos are representing items from lots. Colors can vary from lot to lot. Sizes can minimal vary too. Normally, It will took about 10-15 days delivery for United states,and 15-20 days for any other countries. For any reason, if you are not satisfied with our product, you may return your order within 14 days from the date of shipment received.