Copper ,Prehnite replacement Agate collected at the North Kearsarge Copper mine, Houghton county, Michigan. It is 9/16" x 1/2" x 3/8" and has been polished on the face. This type of mine Agates is less common than Copper replacement Agates because the mix of Prehnite and Coppers peppered within the stone.Buyer pays all shipping by small flat rate box or international postal codes and extra insurance if requested and will combine items for cheaper shipping cost but let me send you an invoice for all your items before you pay.  Thanks for looking and look at our store for other mineral specimens