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