Opal
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Pink Opal Polished 3.5mm Briolette
Bead World Gems
£1.19Sold 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...£1.19 -
Pink Opal Polished 7mm Briolette
Bead World Gems
£1.60Sold 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...£1.60 -
Blue Boulder Opal Polished 9x14mm Faceted Rounded Rectangle
Bead World Gems
£1.43Sold 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...£1.43 -
Pink Opal Polished 8mm Smooth Briolette
Bead World Gems
£2.01Sold 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...£2.01 -
Ethiopian Opal Polished 8x5mm Pear - Sold Individually
Bead World Gems
£3.48Sold 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...£3.48 -
Opal Polished 42-48mm Center Drilled Point Bead
Bead World Gems
£1.84Sold 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...£1.84 -
Ethiopian Opal Polished 6x8mm Flat Faceted Drop Bead - Heat Treated
Bead World Gems
£3.24Sold 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...£3.24 -
Pink Opal Polished 5mm Faceted Briolette Bead
Bead World Gems
£1.52Sold 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...£1.52 -
Yellow Opal Polished 10-20mm Faceted Nugget Bead
Bead World Gems
£1.35Sold 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...£1.35