_:n16a8b86308a74d7093c3f0d10d984bf7xb0
<http://schema.org/description>
"Mintabie small black potch with no color for training and aspiring opal cutters.\nSome pieces in the parcel can be used for doublet backings.\nSome pieces have black swirls that make nice stones when cut.\nMinimum order is 3 oz.\nPostage and tracking worldwide."
<https://australianoutbackopalhunters.com/products/mintabie-small-black-potch-20-per-oz>