Dogtooth Calcite Crystal Cluster Bones They had a hard exoskeleton

They had a hard exoskeleton body which was conspicuously segmented which enabled them to roll up just as a modern roly- poly

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A clear glass window in the cover provides an easy view of the specimen within

Dogtooth Calcite Crystal Cluster Bones They had a hard exoskeletonDogtooth Calcite is a variety of Calcite that forms as multiple scalenohedral crystals. It's often found in caves as a speleothem growing out of limestone. These caves often have standing water that is seasonal or undisturbed for many years to allow these unique formations to grow. It gets the name "Dogtooth" because the stone itself looks like a large collection of dogs teeth. It has some standard colorings from clear through golden, white, grey,