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> SYNTHETIC OPAL > SYNTHETIC OPAL (NO RESIN)

Other than the Polymer Impregnated Synthetic Opal, there is another synthetic opal which made up of 100 % silica.

This type of opal is especially suitable for art glass market.

Table1: Comparison of Chemical Composition:

 

Synthetic Opal

( Mineral )

Natural Opal

Elements

SiO2.nH2O

SiO2.nH2O

Hardness

5.5

3-5.5

Specific Gravity

1.9-2.2

1.98-2.20

Heat Resistance

 900degree C.

100 degree C.

 

 


Water Opal                                  Black Opal                                   Milky Opal

 

 

 

 
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