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SANWA PEARL & GEMS LIMITED

NEWS: 2017 The September Hong Kong Jewellery & Gem Fair, 13-17 September 2017Read More >

RONDELLES

Bello Opal® rondelle (Polymer Impregnated Synthetic Opal) is an excellent item for customized jewelry design. And while rotating; there will be various of magical brilliance with attractive color changes.

Other than the popular size of 14mm, you may order smaller sizes such as 6mm and 8mm for your jewellery design.

   

Besides the regular rondelle above, we have other kinds of rondelle available. These are the examples:
 

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Properties comparison to natural opal
Category Polymer Impregnated Synthetic Opal Natural Opal
Elements
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
Alcohol
Glass Compatibility
Bello Opal is not glass compatible. Please refer to "Galaxy Opal".
Guarantee on quality
No Cracking, Crazing or Yellowing