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Bello Opal® drop (Polymer Impregnated Synthetic Opal ) is a popular item for earrings design.

Sanwa offers two different options for drop design.

Traditional Pattern
New Pattern
A cut opal drop
B cut opal drop
Opal drop displays vertical stripe pattern
Opal drop displays both dot and stripe pattern
Only with length up to 18mm
Length up to 40mm +


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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
Glass Compatibility
Bello Opal is not glass compatible. Please refer to "Galaxy Opal".
Guarantee on quality
No Cracking, Crazing or Yellowing