Pearls are found in the soft tissue of living mollusks, a contrast to most other gemstones that are dug up from deep within the earth. The curative power and the astrological power are quite ...

The stone is submerged, making the fossilized Hexagonaria coral, also known as Petoskey stone, more visible. “Since our mission includes educating the public about Michigan’s natural resources ...

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The three winners of the initiative have responded to the creative brief in very different ways, using materials that range from reeds and coral stones to mycelium. The winning installations will ...