Slabbing Rough Goldstone is a manmade stone that is actually glass with flecks of copper in it. The copper flecks become thousands of sparkling stars in the material. Goldstone cuts easily and polishes well with tin or cerium oxide. Brown Goldstone is copper-colored with sparkling flashes. Attention : Final billing weight may vary more or less. Dependent on material and current selection. The amount entered in the "Qty" field is just an estimate. **Slabbing rough may be cut to the closest weight.