Rock Identifier
Fossilized vertebra, likely mammalian (Mineralized vertebral centrum and neural arch; exact taxon indeterminate from the image) — fossil
fossil

Fossilized vertebra, likely mammalian

Mineralized vertebral centrum and neural arch; exact taxon indeterminate from the image

AI-generated identification · may be incorrect

Porous, gray-beige bone with preserved vertebral architecture and weathered surfaces; fossil bone commonly consists of apatite (calcium-phosphate) replacing or infilling original bone. Hardness is approximately 5 on the Mohs scale, with dull to earthy luster and no prominent cleavage.

Identified More fossil →
Explore Fossilized vertebra, likely mammalian in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

Physical properties

Porous, gray-beige bone with preserved vertebral architecture and weathered surfaces; fossil bone commonly consists of apatite (calcium-phosphate) replacing or infilling original bone. Hardness is approximately 5 on the Mohs scale, with dull to earthy luster and no prominent cleavage.

Formation & geological history

A vertebra buried in sediment was gradually permineralized during diagenesis, commonly over thousands to millions of years; age and species cannot be determined reliably from this photograph.

Uses & applications

Primarily a natural-history or decorative collectible; scientifically useful specimens may support paleontological research, though collecting may be restricted on public or protected land.

Geological facts

The central body (centrum), neural arch, and openings for nerves appear partially preserved. Its irregular, heavily porous appearance is more consistent with fossil bone than with an ordinary rock.

Field identification & locations

Look for repeated anatomical symmetry, a vertebral canal, articular surfaces, and cellular pores; confirm with locality records and professional identification. Common fossil vertebrae occur in sedimentary basins worldwide.