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 blue sapphire inclusions.
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.
Cascades of swirled clouds included in a beryllium treated blue sapphire.
Expect high saturation of color in burmese sapphire.
The spectra are normalized to a millimeter thickness.
Colored stones are generally far more saturated with inclusions at a level of 10x magnification than diamonds.
As a genuine gem some inclusions are expected to be found in burmese sapphire.
Photo courtesy of apsara co uk.
With a medium to medium dark tone these gems also display a slightly violet tint.
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.
The color is truly exceptional with a saturation rarely.
Surface diffusion treated blue sapphire.
Color clarity cut and carat weight are the major factors influencing burmese sapphire value.
Mining of burma sapphire gemstone.
The top spectrum o ray is offset of 0 1 absorbance unit for clarity.
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.
Liquid fingerprint inclusion in an un treated burmese blue sapphire.
Burmese sapphire prices.
Inclusions in unheated sapphire from burma myanmar.
Blue zones enriched along facet joints and girdle.
Short rutile also sometimes referred to as the burmese silk is the most common inclusion.
Limited supply and strong demand also fluctuate burma neelam stone price upto a certain extent.
The 5 09 ct blue sapphire from mogok burma shown above is such a gem.
Burmese sapphire is treasured for its royal blue hue.
In general burmese thai and australian blue sapphires contain crystals of plagioclase feldspars orthoclase niobite columbite calcite monazite zircon apatite fergusonite and thorite.
What can inclusions reveal about ruby and sapphire origins.
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.
Completely untreated it displays a vivid royal blue with remarkable saturation.
Photo courtesy of apsara co uk.