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Minggu, 15 April 2018

Puka Shells stock image. Image of shiny, shells, puka - 15046219
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Puka shells originally were naturally occurring bead-like objects which can be found on some beaches in Hawaii. Each one was the beach-worn apex of a cone snail shell, a kind of seashell from a sea snail. Puka is the Hawaiian word for "hole" and refers to the naturally occurring hole in the middle of these rounded and worn shell fragments. These natural beads were made into necklaces.

Numerous inexpensive imitations are now widely sold as puka shell necklaces. The majority of these are not made from cone shells, but from other shells, or even from plastic. In addition, some strings of beads are currently sold that are made from cone shells, but the beads in these necklaces were not formed by natural processes. They were instead worked by hand from whole shells using pliers to break the shell down to the needed part, and then subjecting the rough results to tumble finishing, in order to give each bead more or less smooth edges in imitation of the natural wear and tear a shell receives when tumbled in the surf over long periods of time.

The original all-natural puka shells were very easily made into necklaces, bracelets and anklets because they were naturally pierced, which enabled them to be strung like beads. Puka shell jewellery first became a popular item in Hawaii during the 1960s, as an attractive and inexpensive lei which could be made and sold on the beach where it was made. In the 1970s, this type of shell jewelry became highly sought after, and prices skyrocketed. The craftsmanship also became more refined and the lei p?p? puka, puka shell leis were strung in graduated or matching styles, rather than the original random patterns.

Many "legends" about the puka shell were created during this time, and these stories also helped sales.


Video Puka shell



Natural puka shell formation

The terminal helix of the shell of a cone snail is cone-shaped, and closed at the apex. When the empty shell is rolled over a long time by the waves in the breaking surf and coral rubble, the terminal helix of the shell breaks off or is gradually ground off, leaving the solid top of the shell intact.

Given enough time, the tip of the spire of the shell usually also wears down, and thus a natural hole is formed from one side to the other. This shell fragment can be viewed as a sort of a natural bead, and is known in Hawaii as a "puka". Real puka shells are not flat: one side of the bead is slightly convex; the other is concave. The concave side of the bead clearly shows the spiral form of the interior of the spire of the cone shell.


Maps Puka shell



Modern substitutes

Naturally-formed rounded cone shell fragments suitable to be used as beads are hard to find in large quantities, so true puka jewelry, formed entirely naturally, is now uncommon. Shell jewellery made from naturally occurring puka shells is also now more expensive because of the labor and time involved in locating and hand-picking these rather uncommon shell fragments from the beach drift.

In modern times, beads cut from other types of shell, or even beads of plastic, are used to make imitation puka jewellery. Cone snail shells are sometimes harvested so that they can be chipped and ground down to make more authentic-looking puka jewellery, which is however still not genuine by the standards of the originals.

A very glossy patina indicates that the shells in a necklace have been tumble polished. If the edges of the shell beads are chipped, the shells were harvested and manually broken into shape. If the "puka" or central hole is perfectly circular and parallel-sided, then the hole was drilled by humans.


18 Small Hawaiian Cone Tops from Kauai- Natural Hawaii Sea Shell ...
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See also

  • Shell jewelry

A male Caucasian teenager smiles wearing a puka shell choker and ...
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References


Vintage 60s Puka Shell Beach Surfer Necklace, BOHO Vintage Surfer ...
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Books

  • Elbert, Pukui (1986). Hawaiian Dictionary. University of Hawaii Press. 
  • Mattes, Paul Joel (1974). Allan Seiden, ed. Puka shell Hawaii: The story of puka shell jewelry in the Hawaiian Islands. Hawaiian Puka Shell. 
  • Harnes, Gwen (1998). Courting Puka: The shell's bibliography. Haraway Brothers Press. 

Source of the article : Wikipedia

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