fossil

Ambergris

Ambrein secretion

Hardness 1-1.5, dull earthy brown to black color, waxy texture, and melts easily with a hot needle.

Identified October 24, 2026More fossil →

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Physical properties

Hardness 1-1.5, dull earthy brown to black color, waxy texture, and melts easily with a hot needle.

Formed in the intestines of sperm whales as a pathological secretion over years, eventually expelled into the ocean.

Historically used as a high-end fixative in the perfume industry to prolong scent longevity.

Often referred to as floating gold due to its extreme rarity and high market value in luxury perfumery.

Found washed ashore on coastlines globally; distinguished by its pleasant sweet-musky odor when warmed and organic debris content.

Probable fossil-bearing rock or mineral concretion

Unidentified carbonate-rich concretion with a possible fossil inclusion

Likely fossil oyster shell

Fossilized bivalve shell; exact species cannot be identified from the image

Crinoid Stem Fossil in Matrix

Phylum Echinodermata, Class Crinoidea

Fossiliferous limestone (likely a crinoidal or shell-fragment limestone)

Bioclastic limestone, composed chiefly of calcite (CaCO₃)

Porous limestone pebble

Calcite-rich limestone (primarily CaCO₃); exact identification is uncertain from the image

Weathered fossil bone fragment (identification uncertain)

Fossilized bone; exact taxon and mineral composition cannot be determined from the image