Gemzone - Stunning Black Opal Triplet Cabs - 1.42cts Total Parcel - 1 bid takes all!
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Please remember, we use a 30x microscopic photography system. The actual gem depicted is far smaller than the images. Many inclusions shown are not visible to the naked eye.
Product Details
Product ID:
NBO
Gem Type :
Black Opal Triplets
Weight (ct) :
1.42cts Total Parcel
Size :
Varies
Shape :
3 x Oval Cabs, 2 x Round Cabs
Color :
Strong Rainbow Colors
Clarity :
Opaque
Treatment :
Triplet
Country Of Origin :
Australia
The story of opal inn Australia begins more than million years ago when the deserts of central Australia were a great inland sea, with silica-laden sediment deposited around its shoreline. After the sea receded and disappeared to become the great Artesian basin, weathering 30 million years ago released a lot of the silica into a solution which filled cracks in the rocks, layers in clay, and even some fossils. Some of the silica became precious opal. Opal is one of the few gemstones that is sedimentary in origin. The water in opal is a remnant of that ancient sea.