Opal
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Pink Opal Polished 3.5mm Briolette
Bead World Gems
$2.24Sold 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...$2.24 -
Pink Opal Polished 7mm Briolette
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 -
Blue Boulder Opal Polished 9x14mm Faceted Rounded Rectangle
Bead World Gems
$2.70Sold 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...$2.70 -
Pink Opal Polished 8mm Smooth Briolette
Bead World Gems
$3.78Sold 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...$3.78 -
Ethiopian Opal Polished 8x5mm Pear - Sold Individually
Bead World Gems
$6.55Sold 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...$6.55 -
White Opal Polished 3-4mm Square Heishi
Bead World Gems
$14.64Sold Individually Approximate beads per strand: 375 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,...$14.64 -
Opal Polished 42-48mm Points - Center Drilled
Bead World Gems
$3.47Sold 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...$3.47 -
Ethiopian Opal Polished 6x8mm Flat Faceted Drop - Heat Treated
Bead World Gems
$6.09Sold 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...$6.09 -
Pink Opal Polished 5mm Faceted Briolette
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 40x30mm Faceted Oval
Bead World Gems
$10.56Sold 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...$10.56 -
Yellow Opal Faceted Nugget
Bead World Gems
$2.54Sold 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...$2.54