Chambered Nautilus Shell (halved, polished)

Chambered nautilus shell, sectioned — Image via Wikipedia: Chambered nautilus

Rarity: Common

Object Type

Zoological specimen

Medium / Material

Aragonitic shell

Production Place

Cebu, Philippines (commercial fisheries, pre-2016)

Dimensions

H 140 × W 160 × D 70 mm · 210 g

Condition

Excellent

A bisected nautilus shell showing the internal chambers arranged in a logarithmic spiral, polished to reveal the nacreous layer.

Materials & Techniques

Calcium carbonate (aragonite), mother-of-pearl

Location

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