SHELL JEWELRY PENDANT 925 SILVER 89 CTS LJ-32

Item Information

Dimensions (mm) 53 x 53 x 35mm
Weight (carats) 89 carats
Colors

SHELL PENDANT

INDONESIA

9 5 STAMPED SILVER

BEIGE OFF WHITE COLOUR

IT HAS BEAUTIFUL PATTERN

TREATMENT-DYED

WEIGHT : 89 CTS APPROX

SIZE : 53 X 35 MM APPROX

Nautilus hemishell showing the camerae in a logarithmic spiral

Internally, the shell divides into camerae (chambers), the chambered section being called the phragmocone. The divisions are defined by septa, each of which is pierced in the middle by a duct, the siphuncle. As the nautilus matures it creates new, larger camerae, and moves its growing body into the larger space, sealing the vacated chamber with a new septum. The camerae increase in number from around four at the moment of hatching to thirty or more in adults.

Nautilus from Greek ναυτίλος, ‘sailor’) is the common name of marine creatures of cephalopod family Nautilidae, the sole extant family of the superfamily Nautilaceae and of its smaller but near equal suborder, Nautilina. It comprises six living species in two genera, the type of which is the genus Nautilus. Though it more specifically refers to species Nautilus pompilius, the name chambered nautilus is also used for any species of the Nautilidae.

Nautilidae both extant and extinct, are characterized by involute or slightly evolute shells that are generally smooth, with compressed or depressed whorl sections, straight to sinuous sutures, and a tubular, generally central siphuncle.[2] Having survived relatively unchanged for millions of years, nautiluses represent the only living members of the subclass Nautiloidea, and are often considered “living fossils.”

The name “Nautilus” originally referred to the Argonauta, otherwise known as paper nautiluses, because the ancients believed these animals used their two expanded arms as sails (cf. Aristotle Historia Animalium 622b). However, this octopus is not closely related to the Nautiloidea.

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Auction ID 568221
Watchers 4 watching
Viewed 1,420 times
Starts 9th Sep 2011 4:22am PDT

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