Ancient Michigan Omar Omarolluk Display

• Set of 4  Lake Superior Natural Beach Rocks
• Total weight: 8.5 oz.
• Ruler provided for measurement purposes only
• You will receive items shown in photos

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Omarolluks, sometimes shortened to omars, are a distinctive type of glacial erratic that consists of dark siliceous greywacke and exhibits prominent rounded, often deep, hemispherical voids and pits.