Mackinac Breccia Rock, Calcite Druzy, Dolostone, Shale, Limestone, Rare Megabreccia, Paleozoic U.P. Michigan, 17G, Raw Natural Unpolished

Mackinac Breccia Rock, Calcite Druzy, Dolostone, Shale, Limestone, Rare Megabreccia, Paleozoic U.P. Michigan, 9Oz, Raw Natural Unpolished

Mackinac Breccia Rock, Calcite Druzy, Dolostone, Shale, Limestone, Rare Megabreccia, Paleozoic U.P. Michigan, 35G, Raw Natural Unpolished

Brecciated Cherty Kona Dolomite, Stromatolite Fossil, Rare Precambrian Fossil, Upper Peninsula Michigan Rock, 8.8Oz, Raw Natural Unpolished