fossil
Fossilized Shark Tooth (Partial) or Coprolite
Elasmobranchii (fossil) or Coprolite (trace fossil)
Hardness: 3-5 (Mohs), Color: Dark brown to black, Luster: Dull to sub-vitreous, Structure: Preserved biological texture, Specific gravity: 2.5-3.0
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Physical properties
Hardness: 3-5 (Mohs), Color: Dark brown to black, Luster: Dull to sub-vitreous, Structure: Preserved biological texture, Specific gravity: 2.5-3.0
Formation & geological history
Formed through replacement of organic material with minerals (permineralization) in marine or riverine sedimentary environments, typically during the Cenozoic or Mesozoic eras.
Uses & applications
Scientific study of prehistoric ecosystems, educational displays, and popular collector items for fossil enthusiasts.
Geological facts
Shark fossils are often found in riverbeds and coastal regions where ancient oceans once existed. The dark color is typically due to the absorption of minerals like phosphate and manganese from the surrounding sediment.
Field identification & locations
Identify by looking for unique biological patterns such as striations or symmetry. Often found in phosphate mines, creek beds, or coastal cliffs after erosion events.
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