Treatments are applied to fix these flaws in the stone.
Natural real opal stone.
Many times natural stones have discoloration cracks and or inclusions.
The structure of natural opal.
A genuine gemstone is real but it is treated in some way to enhance its cut or appearance.
Its colors can range from white yellow orange and red to green blue brown and black.
Needless to say these are also referred to as enhanced or treated stones.
Why do stones get treated.
If the top of the opal.
Doublets are more difficult to identify because they often incorporate quantities of colourless potch into the stone.
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This is because man made stones are flattened in the course of processing to remove such irregularities.
Gemselect s 100 natural opal is a great place to begin.
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The stone itself can display a remarkable amount of colors and effects that have delighted its viewers and wearers since ancient times.
If the seam between the backing layer and the opal is irregular it is most likely a real stone.
Opal offers exceptional individuality within its three main classes.
Opal can be colorless or colored.
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Precious opal fire opal and common opal.
If the opal is a perfect circle or oval then you should have a licensed jeweler inspect it before you make the purchase.
The doublets we carry and make are also cut from and made with real natural opal.
If the opal is a natural stone then even with cutting and polishing it may not be entirely symmetrical.
At gemselect our opal comes in a.
The line around the circumference is perfectly.
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The opal man carries many types of natural opal including australian black opal crystal opal white opal boulder opal and opal specimens.
This stone usually contains between 5 and 10 water and is relatively soft its hardness rating is 5 5 6 0 on the mohs scale.
In this case look at the side of the stone again and see if the join between the opal and the backing is perfectly flat i e.