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If you choose to remove the swatch from the jar
Both small and medium sized fragments are available
Nickel released by the Siberian Traps triggered marine bacteria to produce massive amounts of methane
From one of the most violent processes on Earth comes one of the lightest natural minerals in existence…
Crinoid Fossil Plate - SOLD 3.906" sannine-formation If you choose to removeCrinoids are an incredible group of aquatic animals that attach themselves to the seafloor and filter feeds with beautiful feathered arms. These creatures are echinoids, an ancient and varied group of life. Crinoids emerged in the fossil record over 541,000,000 years ago and some species still exist to this day. This specimen is a 3. 906" crinoid fossil plate that dates to about 323,000,000 to 331,000,000 years old. It comes from the Bangor Limestone
