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Boulder opal

Boulder opal is  the most organic type of gemstone is the boulder opal. Being an opal that has a host-rock, the boulder opal forms in veins, fissures and cracks in the ironstone. The opal moves with the cracks in the ground making it undulate, so the face of a cut and finished boulder opal will not usually be even faced or domed. A Boulder Opal Pendant is an organic type of jewelry and will have beautiful curves and and waving shapes that go with a boulder opal pendant. Opal comes in all form and types. Opal Matrix is a form of opal that can be treated or untreated. Some Opal…

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Australian Boulder Opal

Boulder opal has become a more popular type of opal next to black opal from Lightning Ridge and can reach prices almost as high as black opal. Most boulder opal has an undulating face as the seams are usually not straight. This means the cutting of the boulder opal can be more tiresome and messy if you are looking for symmetrical shapes.  Additionally ironstone when cut is fairly dirty to cut on the wheel and combined with water makes everything including your surrounds turn brown! Boulder opal can be light or dark like black opal and has many variations of body tone.  Some boulder opal can have ironstone in the…

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Opal Matrix

Matrix when referred to opal can be a number of different things. The most commonly known type of opal matrix is Andamooka Matrix. Andamooka matrix is a treated type of opal. The color will only be visible when it has been treated by boiling it in sugar and then using acid to treat it. Even though matrix opal can look beautiful the beholder, don’t be fooled that it is worth the same as natural solid opal. I have seen many people invest in matrix opal and not know what they buying and paying too much. Andamooka will be a very 2 dimensional type of opal with no depth of play…

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