sedimentary
Fossilized Coprolite
Coprolite (fossilized feces)
Hardness: 5.0-6.0 on Mohs scale; Color: Brown, tan, reddish-gray; Luster: Dull to earthy; Lithified structure; Presence of mineral replacements like phosphate or quartz.
- Hardness
- 5
- Color
- Brown, tan, reddish-gray
- Luster
- Dull to earthy
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Physical properties
Hardness: 5.0-6.0 on Mohs scale; Color: Brown, tan, reddish-gray; Luster: Dull to earthy; Lithified structure; Presence of mineral replacements like phosphate or quartz.
Formation & geological history
Formed through the fossilization of animal droppings. Over millions of years, the organic material is replaced by minerals, typically calcium phosphate or silicates, often in sedimentary environments where rapid burial occurs.
Uses & applications
Scientific research, paleontological study, jewelry (when polished), and as educational or novelty collector items.
Geological facts
Coprolites provide crucial information about the diet and habitats of prehistoric animals, including dinosaurs and ancient marine life. They are essentially 'time capsules' of prehistoric digestive systems.
Field identification & locations
Identify by its distinct cylindrical, coiled, or lumpy shape and the 'tongue test' (fossilized bone and coprolite often stick slightly to the tongue due to porosity). Commonly found in sedimentary rock layers known for vertebrate fossils.
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