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Subject: Gemstone
Date: Tue, 16 Nov 2010 11:22:46 +0800
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Gemstone
Gemstone
Other gemstones will be used in pearl jewerly to =
make some=20
stunning effect.
They are:
Cubic Zirconia or CZ: =
is=20
zirconium oxide (ZrO2), a mineral that is extremely rare in nature but =
is widely=20
synthesized for use as a diamond simulant.
Emerald, Ruby, =
Sapphire,=20
Amethyst, Opal, Topaz, Peridot, Aquamarine, Citrine, Ametrine, Garnets,=20
Tsavorite Garnet, Demantoid Garnet, Mandarin Garnet, Tourmaline, =
Rubellite=20
Tourmaline, Green Tourmaline, Paraiba Tourmaline, Yellow Tourmaline, =
Blue=20
Tourmaline, Multicored Tourmaline, Tanzanite, Lapis Lazuli, Fancy =
Sapphires,=20
Quartz, Jade, Zircon, Iolite, Spinel, Fire Opal, Moonstone, Alexandrite, =
Chrysoberyl, Kunzite, Beryls, Morganite , Chrome Diopside, Andalusite, =
Amber,=20
Turquoise, Coral, Agate, Onyx, Bloodstone, Jasper, Diamond =
How =
are pearls=20
and other gemstones mounted on jewelry settings? =
Peg Setting- The way how =
pearls are=20
mounted in.
Prong SettingThe most often =
used=20
setting in jewelry making.
Metal ChannelGemstone =
settings are=20
nearly always named a term that describes their method of holding the =
diamonds=20
or other stones, and the term channel setting is no exception. To =
achieve this=20
setting method, diamonds or other gems are placed into a metal channel. =
They=20
flow in a continuous row of diamonds, because no metal is used as a =
separation=20
between them.
Channel set diamonds are popular with buyers =
looking for=20
engagement and wedding rings, so you'll see the technique often when you =
shop=20
for wedding jewelry. The wedding band on this page has seven round =
diamonds in a=20
channel setting.
Invisible SettingThe =
invisible setting=20
technique was developed in France more than two centuries ago. Grooves =
in each=20
stone's girdle slip into a metal framework below the surface, but the =
metal=20
cannot be seen, so stones sit side-by-side, creating a solid surface of =
gems.=20
Jewelry designers use invisible setting techniques to create the =
illusion of larger diamonds in engagement rings and wedding rings. The =
ring=20
below has a prong set, round brilliant cut center diamond that's =
surrounded on=20
the sides by princess cut diamonds in an invisible =
setting
Bezel Setting Diamonds and =
other gems=20
are held in a bezel setting by a metal rim that encircles the sides of =
the stone=20
and extends slightly above it. The rim, or collar, can stretch around =
the=20
diamond's entire circumferance, like the ring above, or around only a =
portion of=20
it. =
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