Palm size Petoskey Stones a78605ff5efeeee5879cb1ad50d4dfd8 Emeralds have long been associated

Emeralds have long been associated with beauty

Nor did they have a 'melon' which modern toothed whales have for sound communication

During the 1950's

feeding upon plankton by a simple yet efficient filtering system

Palm size Petoskey Stones a78605ff5efeeee5879cb1ad50d4dfd8 Emeralds have long been associatedThis unusual stone is actually the fossilized remains of a colonial coral, Hexagonaria percarinate, which lived in shallow seas during the Devonian Period 350 million years ago. The stone resembles ordinary limestone but when wet or polished, the distinctive pattern of the six sided coral fossil emerges. Petoskey Stones are concentrated in Traverse Bay and Little Traverse Bay around Petoskey, Michigan. Petoskey Stone is named after a Native American