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Bello Opal® (Polymer Impregnated Synthetic Opal ) is available in 78 different colors, such as green opal, blue opal, white opal, pink opal, yellow opal, purple opal, black opal…etc Bello Opal exhibits both horizontal and vertical fire. For vertical fire, we generally describe it as “stripe pattern”; you may choose either B cut or C cut. B cut represent horizontal stripe pattern and C cut represent vertical stripe pattern.


This is B cut Color Chart.

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Properties comparison to natural opal

Category Polymer Impregnated Synthetic Opal Natural Opal
80% Silica & 20% Resin Silica & Water
MOHS Hardness
4 3-5.5
Specific Gravity
1.80-1.90 1.98-2.20
Heat Resistance
130 degree C. 100 degree C.
Product Features
Color Range
OP01 to OP78
Degree of transparency
Relatively low
Jewelry Plating
Bello Opal® could work well with jewelry plating
Chemical Resistance
Thinner, Methanol, Acetone
Glass Compatibility
Bello Opal® is not glass compatible. Please refer to "Galaxy Opal"
Guarantee on quality
No Cracking, Crazing or Yellowing