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