Rocks Slabs and Specimens › Blackskin Agate Image 1 of 2 Image 2 of 2 Blackskin Agate $35.00 5 pieces, 7.5 lbs rough approximately 1-4 inches, largest piece is 4+ inches. Add To Cart Added! 5 pieces, 7.5 lbs rough approximately 1-4 inches, largest piece is 4+ inches. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More