Chambered Nautilus Shell (halved, polished)
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
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