Opal
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Pink Opal Polished 3.5mm Briolette
Bead World Gems
$2.36Sold Individually What is it: Opal is a hydrated amorphous form of silica; its water content ranges from 3-21% by weight, but is usually between 6-10%. Depending on formation conditions, opal may be transparent, translucent, or opaque while it's color...$2.36 -
Pink Opal Polished 7mm Briolette
Bead World Gems
$3.17Sold Individually What is it: Opal is a hydrated amorphous form of silica; its water content ranges from 3-21% by weight, but is usually between 6-10%. Depending on formation conditions, opal may be transparent, translucent, or opaque while it's color...$3.17 -
Blue Boulder Opal Polished 9x14mm Faceted Rounded Rectangle
Bead World Gems
$2.85Sold Individually What is it: Opal is a hydrated amorphous form of silica; its water content ranges from 3-21% by weight, but is usually between 6-10%. Depending on formation conditions, opal may be transparent, translucent, or opaque while it's color...$2.85 -
Pink Opal Polished 8mm Smooth Briolette
Bead World Gems
$3.99Sold Individually What is it: Opal is a hydrated amorphous form of silica; its water content ranges from 3-21% by weight, but is usually between 6-10%. Depending on formation conditions, opal may be transparent, translucent, or opaque while it's color...$3.99 -
Ethiopian Opal Polished 8x5mm Pear - Sold Individually
Bead World Gems
$6.91Sold Individually What is it: Opal is a hydrated amorphous form of silica; its water content ranges from 3-21% by weight, but is usually between 6-10%. Depending on formation conditions, opal may be transparent, translucent, or opaque while it's color...$6.91 -
Opal Polished 42-48mm Center Drilled Point Bead
Bead World Gems
$3.66Sold Individually What is it: Opal is a hydrated amorphous form of silica; its water content ranges from 3-21% by weight, but is usually between 6-10%. Depending on formation conditions, opal may be transparent, translucent, or opaque while it's color...$3.66 -
Ethiopian Opal Polished 6x8mm Flat Faceted Drop Bead - Heat Treated
Bead World Gems
$6.43Sold Individually What is it: Opal is a hydrated amorphous form of silica; its water content ranges from 3-21% by weight, but is usually between 6-10%. Depending on formation conditions, opal may be transparent, translucent, or opaque while it's color...$6.43 -
Pink Opal Polished 5mm Faceted Briolette Bead
Bead World Gems
$3.01Sold Individually What is it: Opal is a hydrated amorphous form of silica; its water content ranges from 3-21% by weight, but is usually between 6-10%. Depending on formation conditions, opal may be transparent, translucent, or opaque while it's color...$3.01 -
Yellow Opal Polished 10-20mm Faceted Nugget Bead
Bead World Gems
$2.68Sold Individually What is it: Opal is a hydrated amorphous form of silica; its water content ranges from 3-21% by weight, but is usually between 6-10%. Depending on formation conditions, opal may be transparent, translucent, or opaque while it's color...$2.68