Rock Identifier
Weathered fossil bone fragment (possible mammal bone) (Fossilized vertebrate bone; exact taxon and age cannot be determined from the photo) — fossil
fossil

Weathered fossil bone fragment (possible mammal bone)

Fossilized vertebrate bone; exact taxon and age cannot be determined from the photo

AI-generated identification · may be incorrect

Tan, porous, irregular fragment with small cavities and a denser outer surface. Fossil bone is largely mineralized apatite (Mohs hardness about 5); crystal structure and specific gravity cannot be established visually.

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Physical properties

Tan, porous, irregular fragment with small cavities and a denser outer surface. Fossil bone is largely mineralized apatite (Mohs hardness about 5); crystal structure and specific gravity cannot be established visually.

Formation & geological history

Bone may be buried in sediment and mineralized as groundwater replaces or fills its tissues. Its geological age and depositional setting are unknown from the image.

Uses & applications

Primarily of scientific and educational interest; identifiable, legally collected specimens may be valued by collectors.

Geological facts

Bone’s porous internal structure can persist during fossilization, but stones and modern bone can look similar in photographs.

Field identification & locations

The shape and apparent porous texture suggest bone, but a close examination is needed to distinguish fossil from recent bone or a weathered rock. Record the find location and check local fossil-collecting rules; do not clean or chemically treat it.

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