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From: "Lawsons" <[log in to unmask]>
To: "Marian Havlik" <[log in to unmask]>
Subject: Re : Pearl Seeds- Why use Freshwater Clams
Date: Thu, 29 Apr 1999 05:02:55 -0500
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M.=0D
=0D
Nuclei for pearl culture has been manufactured over the last 100 years out o=
f many different types of source materials. Almost all materials used(ie: =
Bone, Lead, Mantel Tissue, ect.) can be coated with nacre by the pearl oyste=
r to some extent. This is evident today by the ablity of the Chinese to cult=
ure large amounts of seed pearls using mantel tissue as nuclei. =0D
It was found by K. Mikimoto in the late 1890's that the shell of the fres=
hwater mussel , especially those from the United States possesed almost the =
same qualities as the mother of pearl produced by the pearl oyster. He foun=
d that the Calcium Crystal structure and specific gravity of nucleus produce=
d from the freshwater mussel was almost identical, therefore making this ma=
terial most suitable for culture. It was Mikimoto's objective to develope a =
method of producing a man made pearl that was identical to a natural pearl =
in appearence and substance in order that pearls would be more affordable to =
the masses of people . His process of culturing was then and is today a pat=
iented process which is held to be a national treasure in Japan. =0D
Much of the reason freshwater mussels are still used today, is because th=
e process is so entrenched in history, that few of the Japanese pearl cultur=
e techs that implant world wide today( and the number of techs that implant =
is still dominated by Japanese) will change for fear that by altering the =
Mikimoto's process and the process that they have been taught by their fathe=
rs , that they will produce an inferior pearl. It is this respect for trad=
ition that has kept the freshwater mussel in demand for nucleus materal.=0D
=0D
Chuck Lawson , Empire Shell Products, Inc.=0D
--------------------
<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">=0D
<HTML>=0D
<HEAD>=0D
=0D
<META content=3Dtext/html;charset=3Diso-8859-1 http-equiv=3DContent-Type>=0D
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<BODY bgColor=3D#ffffff>=0D
<DIV><FONT color=3D#000000 size=3D2>M.</FONT></DIV>=0D
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>=0D
<DIV><FONT size=3D2>Nuclei for pearl culture has been manufactured over the =
last =0D
100 years out of many different types of source materials. Almos=
t =0D
all materials used(ie: Bone, Lead, Mantel Tissue, ect.) can be coated with n=
acre =0D
by the pearl oyster to some extent. This is evident today by the ablity of t=
he =0D
Chinese to culture large amounts of seed pearls using mantel tissue as =0D
nuclei. </FONT></DIV>=0D
<DIV><FONT size=3D2> It was found by K. Mikimoto in the late 189=
0's =0D
that the shell of the freshwater mussel , especially those from the United =
=0D
States possesed almost the same qualities as the mother of pearl produced by =
the =0D
pearl oyster. He found that the Calcium Crystal structure and specific =
=0D
gravity of nucleus produced from the freshwater mussel was almost =0D
identical, therefore making this material most suitable for culture. I=
t =0D
was Mikimoto's objective to develope a method of producing a man made =
=0D
pearl that was identical to a natural pearl in appearence and substance in o=
rder =0D
that pearls would be more affordable to the masses of people . His pro=
cess =0D
of culturing was then and is today a patiented process which is held to be a =
=0D
national treasure in Japan. </FONT></DIV>=0D
<DIV><FONT size=3D2> Much of the reason freshwater mussels are s=
till =0D
used today, is because the process is so entrenched in history, that few of =
the =0D
Japanese pearl culture techs that implant world wide today( and the number o=
f =0D
techs that implant is still dominated by Japanese) will change f=
or =0D
fear that by altering the Mikimoto's process and the process that they =
=0D
have been taught by their fathers , that they will produce an inferior =
=0D
pearl. It is this respect for tradition that has kept the freshwater =
=0D
mussel in demand for nucleus materal.</FONT></DIV>=0D
<DIV><FONT size=3D2></FONT> </DIV>=0D
<DIV><FONT size=3D2>Chuck Lawson , Empire Shell Products, =0D
Inc.</FONT></DIV></BODY></HTML>=0D
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