Orthoceras Fossil Sphere, Polished Limestone Display Specimen
$28.00
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$28.00
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An Orthoceras sphere is a polished, spherical object crafted from rock containing Orthoceras fossils, which are the preserved remains of an extinct type of cephalopod. These fossils are typically found in dark limestone matrix and are characterized by their distinctive straight, conical shells, which is where the name "Orthoceras" (meaning "straight horn") comes from.
Information about Orthoceras Spheres:
Origin and Age: Orthoceras fossils are primarily found in Morocco and date back to the Ordovician period, over 400 million years ago, making them ancestors to modern-day squid and nautiloids.
Composition: The spheres are made from carboniferous limestone matrix containing the fossilized remains of Orthoceras, often with the shells replaced by calcite.
Characteristics: They typically exhibit a striking contrast between the dark matrix and the lighter-colored fossilized shells. Due to the natural material, perfect spherical shapes may not always be achieved.
Uses: Orthoceras spheres are commonly used as decorative items, display specimens.
Orthoceras Fossil Sphere, Polished Limestone Display Specimen
$28.00
Sale price
$28.00
Regular price