Custom jewelry designs


Kono Dolomite History, Lore, Facts, Myths and Pictures


Named after the Kona Hills south of Marquette County, Michigan where it is found. Kona Dolomite is an ancient rock in which formations of fossil stromatolite (blue-green algae) occur. The stone is between 2.1 to 2.2 billion years old. These stromatolite formations are from some of of the first life on earth. These fossil formations are found in the lower eras of the Middle Precambrian Period.

Because of the great age, and due to the many trace minerals present, kona dolomite can be found in a wide variety of shades including pink, brown, yellow, cream, red and orange with shades of brown, cream, gray and black mottling, banding andlacing.



knoa dolomite
(click to enlarge)

Kono Dolomite

A selection of rough available for custom jewelry designs.






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December 5, 2002 20:52