Check the listing for details. Australian rough Opal 310 Grams Plus!!. Condition: Used, Made in Australia. Listed at 190.00 USD. This is a parcel of Australian rough, lots of pre forms I gave up on, bits good for doublets , some color, will need to work it a lot. Great beginner material, mostly coober pedy , white, grey porch, some color some gamble, you are not going to get rich off this parcel, you can do low and mid grade small cabs and some of the colorless potch can be used to make doublets . This is over 340 grams, These are my off cuts , the type of parcel I started buying but you don’t have to wait 6 weeks to get it from Australia. It’s 190 bucks free shipping. It isn’t terrible but there are some bits you will need to be creative as well . It’s basically .10-.15 per carat , it’s not amazing opal but way better than most on here for this price .