This feature is found in a beryllium treated blue sapphire due to high temperatures applied in this process.
Burmese blue sapphire inclusions.
Inclusions in unheated sapphire from burma myanmar.
The color is truly exceptional with a saturation rarely.
Blue zones enriched along facet joints and girdle.
In general burmese thai and australian blue sapphires contain crystals of plagioclase feldspars orthoclase niobite columbite calcite monazite zircon apatite fergusonite and thorite.
As a genuine gem some inclusions are expected to be found in burmese sapphire.
Mining of burma sapphire gemstone.
Folded fluid feathers and fingerprints are the most common inclusions in unheated burma sapphires.
The top spectrum o ray is offset of 0 1 absorbance unit for clarity.
Surface diffusion treated blue sapphire.
Rounded guest crystals possibly calcite in an un treated burmese blue sapphire.
Liquid fingerprints guest crystals and two phase inclusions in an un treated burmese blue sapphire.
Expect high saturation of color in burmese sapphire.
Photo courtesy of apsara co uk.
The spectra are normalized to a millimeter thickness.
In india faceted burmese blue sapphire price per carat starts from 25 000 per carat 390 approx and goes up to 5 lakh per carat 7795 approx and even above.
What can inclusions reveal about ruby and sapphire origins.
Liquid fingerprint inclusion in an un treated burmese blue sapphire.
Color clarity cut and carat weight are the major factors influencing burmese sapphire value.
Photo courtesy of apsara co uk.
A magnified image showing a cluster of rutile silk in an untreated burmese blue sapphire.
The burma sapphires are formed in the igneous rocks that undergo contact and regional metamorphosis.
These exquisite gems originate from areas known to produce some of the finest sapphires in the world kashmir in northern india across its eastern border to myanmar previously burma and their island neighbour sri lanka.
Burmese sapphire prices.
A mong the highlights in the upcoming magnificent jewels and noble jewels sale in geneva on 15 november are several exquisite kashmir burmese and ceylon sapphires.
With a medium to medium dark tone these gems also display a slightly violet tint.
The richness and consistency of the color and the velvety texture is due in part to fine rutile silk inclusions that disperse light.
Cascades of swirled clouds included in a beryllium treated blue sapphire.
Limited supply and strong demand also fluctuate burma neelam stone price upto a certain extent.
Short rutile also sometimes referred to as the burmese silk is the most common inclusion.
Burmese sapphire is treasured for its royal blue hue.
Colored stones are generally far more saturated with inclusions at a level of 10x magnification than diamonds.
