CAN ANYONE HELP ME IDENTIFY THIS STONE?

Weighs 2 lbs., 3 oz. and is 5.75″ long.
Botryoidal in formation.
Overall deep blue-green in color.
Central, circularly-radiating ochre-colored cores within each sphere.
Found on Haida Gwaii, (Queen Charlotte Islands), off the coast of British Columbia.
Doesn’t seem to be scratched by steel.
 
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