Location: Found in the Kona Hills of Marquette, Michigan, in the Marquette and Sands quadrangles
Age: Formed during the Precambrian era, which is roughly 2.1 billion years old
Color: Kona dolomite can be found in a variety of colors, including brown, grey, black, orange, peach, pink, red, and yellow
Patterns: Kona dolomite often has mottled, laced, and banded patterns
Origin: Believed to be the result of cyanobacteria colonies
Rarity: A special type of dolomite that only exists in one location in the world