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Prix
2783
6

CONCH SHELL EYE STRAND 23 MM 323.15 CTS [PF1858]

UGS
Dimensions (mm)
x x mm
Poids (cts)
Taper
Bead
Couleurs

PEARL FARM

CONCH SHELL EYE STRAND

This is a  natural untreated  shell from a conch shell legally harvested in the Bahamas.It is the eye part of the shell that  is the bead. Showing attractive pink hues

Size of beads  23 mm  app

Length of strand: 16 inches.

Weight 323.15 cts app

The strand is strung for transport but we recommened re stringing it.

 

 

Many gastropods (snails and sea snails, of which the conch is the latter) produce pearls, and those of the Queen Conch, Strombus gigas, have been collectors' items since Victorian times. Conch pearls come in a range of hues, including white, brown and orange and many intermediate shades, but pink is the colour most associated with the conch pearl. Conch pearls are sometimes referred to simply as 'pink pearls'. In some gemmological texts, non-nacreous gastropod pearls used to be referred to as 'calcareous concretions' because they were 'porcellaneous' (i.e. shiny and ceramic-like) in appearance rather than 'nacreous' (i.e. with a pearly lustre sometimes known as 'orient'). However, Kenneth Scarrat, the director of GIA in Bangkok recently argued that conch calcareous concretions should be called 'pearls'. Under Federal Trade Commission rules, conch pearls may be referred to as 'pearls' without qualification. Although non-nacreous, the surface of fine Conch pearls has a unique and attractive appearance of its own. The microstructure of conch pearls comprises partly-aligned bundles of microcrystalline fibres which create a shimmering, slightly iridescent effect known as 'flame structure'. The effect is a form of chatoyancy, caused by the interaction of light rays with the microcrystas in the pearl's surface, and it somewhat resembles Moiré silk.

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sedagems
MEMBER OF THE  [ICA] INTERNATIONAL COLOURED STONE ASSOCAITION AND PRESIDENT OF THE OPAL ASSOCIATION. PAUL SEDAWIE IS A FORMER OPAL MINER WHO NOW TRAVELS AROUND AUSTRALIA AND THE WORLD COLLECTION RARE AND INTERESTING GEMS TONES AND FOSSILS.ALL STOCK HAS A MONEY BACK GUARANTEE We have a retail shop/museum at the Gold Coast Opal and Gem Centre 25 surfers av mermaid waters Qld Australia .4218 open mon to sat 10 to 5
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Valable jusque
21st Apr 2024

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Expédition:
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Expédié depuis:
Australia

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Aperçu

Type d'inscription : Standard
Identifiant du produit : 217657
Départs : 17th March 2024 11:00 pm PDT
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