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Oparex® Nebula opal is created by mixing silica and resin. It results in a non-directional wave pattern that looks similar to nebula and aurora. The patterns and sizes of the waves are inconsistent, therefore, every piece is unique.
The color might be influenced by the level of the waves. The pictures are for reference only.
All the roughs are in regular size. The size is from around 60mm to 130mm.
STANDARD BLOCK
Each piece of Nebula Opal has unique pattern. The average thickness ranges from 20-25mm with estimated size 55-70mm.
LARGE BLOCK
Large block is available. The size is about 130x65mm with around 50mm thickness. It is suitable for making large object.
NEBULA OPAL DOUBLET
Nebula opal is often used for making doublet. The top can be glass, quartz or even resin. The play of colors is emphasized.
FANCY BEADS
Nebula opal is also available in different kinds of design, such as drop, bead, gummy bear, rondelle, cabochon...etc
NEBULA OPAL WITH FLUORESCENCE
Nebula Opal with fluorescence is available in limited colors. The fluorescence appears only when the opal is under UV light.
Properties comparison between synthetic opal and imitation opal
Category | Polymer Impregnated Synthetic Opal | Resin Colloidal Imitation Opal |
|---|---|---|
Elements | 80% Silica & 20% Resin | 25% Silica & 75% Resin |
MOHS Hardness | 4 | 2 |
Specific Gravity | 1.80-1.90 | 1.35-1.40 |
Heat Resistance | 130 degree C. | 130 degree C. |
Product Features
Options for fire pattern | A cut, B cut & C cut | Non-directional wave pattern |
|---|---|---|
Degree of transparency | Relatively low | Relatively high |
Jewelry Plating | Suitable | Not suitable |
Chemical Resistance | Thinner, Methanol, Acetone | Methanol |
Glass Compatibility | Synthetic Opal is not glass compatible. Please refer to "Galaxy Opal" | Oparex Opal is not glass compatible. Please refer to "Galaxy Opal" |
