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    • CommentAuthorimagni123
    • CommentTimeAug 12th 2014
     

    淡水パールは、ヒレイケチョウガイという淡水貝を母貝として作られる真珠です。アコヤ真珠との1番の違いは、「核」をいれてつくるかどうかということです。淡水パールは核を入れずに養殖される為、ほぼ100%真珠層でできた真珠です。 手作りアクセサリー

    あこや真珠が6mm珠なら6mm珠用の、8mm珠なら8mm用の核を入れるのに対し、淡水パールは無核ですので、その大きさになるまで湖の中で大切に育てられます。8mmの淡水パールを作るのには約7~8年かかるといわれています。

    最近では、核を入れて様々な形に作られたファンシーパールといわれるものもあります。◇、☆、ハートなどがあります。又、12mm以上の大珠の中には核を入れて大珠にしたものもありますが、核の素材にワシントン条約に抵触するシャコガイを使ったものがあるようですので、注意が必要です。

    アコヤ真珠の真ん中の白い部分が核で、それをとりまいている部分が真珠層です。淡水真珠は、木の年輪と同じく真珠層の成長のあとが断面図でも見ることが出来ます。いわゆる貝輪とよばれるものです。淡水真珠は核が無く、ほぼ100%が真珠層です。その為、汗や衝撃等で真珠層がはく離しても核が露出することが無いので、取扱に神経質になる必要がなく、気軽に着用できるのが最大の利点です。 激安アクセサリー

    一昔前の淡水真珠は、安かろう悪かろうというイメージがありました。それは褶紋冠(シュウモンカン)貝から生産した淡水真珠で、育てやすく養殖期間が短いのですが、淡水真珠は小粒で変形したものが多かったからです。ところが1990年代に入って、ヒレイケチョウガイという貝からの真珠の養殖に成功し、それはアコヤ真珠に肩を並べるほどの良質なものだったので、淡水真珠も一気に高級な真珠の仲間入りをしたのです。ヒレイケチョウカイは中国原産の貝で、日本のイケチョウ貝とは別種の貝です。

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