Rock and Gem Shop › Lake Superior Agate - Beautifully Polished Gemstone Image 1 of 1 Lake Superior Agate - Beautifully Polished Gemstone $4.00 Lake Superior Agate - Beautifully Polished GemstoneHigh Grade Polished Stones Picked Just for You! Quantity: Purchase Added! Lake Superior Agate - Beautifully Polished GemstoneHigh Grade Polished Stones Picked Just for You! Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More