Photo courtesy of apsara co uk.
Burmese blue sapphire inclusions.
With a medium to medium dark tone these gems also display a slightly violet tint.
Surface diffusion treated blue sapphire.
Completely untreated it displays a vivid royal blue with remarkable saturation.
Color clarity cut and carat weight are the major factors influencing burmese sapphire value.
The top spectrum o ray is offset of 0 1 absorbance unit for clarity.
The burma sapphires are formed in the igneous rocks that undergo contact and regional metamorphosis.
A magnified image showing a cluster of rutile silk in an untreated burmese blue sapphire.
The spectra are normalized to a millimeter thickness.
Cascades of swirled clouds included in a beryllium treated blue sapphire.
Colored stones are generally far more saturated with inclusions at a level of 10x magnification than diamonds.
Liquid fingerprints guest crystals and two phase inclusions in an un treated burmese blue sapphire.
The polarized uv vis nir spectra from 250 to 1000 nm of a classic burmese blue sapphire are different from those of baw mar blue sapphire.
Folded fluid feathers and fingerprints are the most common inclusions in unheated burma sapphires.
Rounded guest crystals possibly calcite in an un treated burmese blue sapphire.
Inclusions in unheated sapphire from burma myanmar.
As a genuine gem some inclusions are expected to be found in burmese sapphire.
Mining of burma sapphire gemstone.
This feature is found in a beryllium treated blue sapphire due to high temperatures applied in this process.
Blue zones enriched along facet joints and girdle.
The richness and consistency of the color and the velvety texture is due in part to fine rutile silk inclusions that disperse light.
Limited supply and strong demand also fluctuate burma neelam stone price upto a certain extent.
Photo courtesy of apsara co uk.
Short rutile also sometimes referred to as the burmese silk is the most common inclusion.
What can inclusions reveal about ruby and sapphire origins.
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.
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.
The color is truly exceptional with a saturation rarely.
Expect high saturation of color in burmese sapphire.
Liquid fingerprint inclusion in an un treated burmese blue sapphire.
Burmese sapphire is treasured for its royal blue hue.
The 5 09 ct blue sapphire from mogok burma shown above is such a gem.