Rock Identifier
Shark Tooth Fossil Matrix (Carcharocles / Otodus species embedded in sedimentary matrix) — fossil
fossil

Shark Tooth Fossil Matrix

Carcharocles / Otodus species embedded in sedimentary matrix

AI-generated identification · may be incorrect

Hardness varies between matrix (Mohs 3-4) and enamel (Mohs 5); color ranges from tan, gray, to dark brown/black; vitreous luster on teeth and earthy on matrix.

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Physical properties

Hardness varies between matrix (Mohs 3-4) and enamel (Mohs 5); color ranges from tan, gray, to dark brown/black; vitreous luster on teeth and earthy on matrix.

Formation & geological history

Formed through the mineralization of organic material in ancient marine sediments, typically dating from the Cretaceous to Neogene periods.

Uses & applications

Collected by fossil enthusiasts, used in educational displays, and occasionally set into unique jewelry pieces.

Geological facts

Fossil shark teeth are among the most common vertebrate fossils found worldwide because sharks shed thousands of teeth during their lifetimes.

Field identification & locations

Identified by smooth, triangular or curved enamel tooth fragments protruding from a sedimentary rock matrix; commonly found in river beds, coastal cliffs, and phosphate mines.

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