This feature is found in a beryllium treated blue sapphire due to high temperatures applied in this process.
Burma blue sapphire inclusions.
The burma sapphires are formed in the igneous rocks that undergo contact and regional metamorphosis.
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.
Liquid fingerprint inclusion in an un treated burmese blue sapphire.
Colored stones are generally far more saturated with inclusions at a level of 10x magnification than diamonds.
The minor inclusions seen in your burmese blue sapphire are natural.
Mining of burma sapphire gemstone.
Burmese sapphire is treasured for its royal blue hue.
Short rutile also sometimes referred to as the burmese silk is the most common inclusion.
Burmese sapphire prices.
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.
The 5 09 ct blue sapphire from mogok burma shown above is such a gem.
Completely untreated it displays a vivid royal blue with remarkable saturation.
Inclusions in unheated sapphire from burma myanmar.
Color clarity cut and carat weight are the major factors influencing burmese sapphire value.
Folded fluid feathers and fingerprints are the most common inclusions in unheated burma sapphires.
With a medium to medium dark tone these gems also display a slightly violet tint.
However that said the stones with higher class of clarity are definitely going to priced higher as opposed to ones with milky and specked appearance.
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.
Cascades of swirled clouds included in a beryllium treated blue sapphire.
Surface diffusion treated blue sapphire.
Liquid fingerprints guest crystals and two phase inclusions in an un treated burmese blue sapphire.
Photo courtesy of apsara co uk.
The richness and consistency of the color and the velvety texture is due in part to fine rutile silk inclusions that disperse light.
The color is truly exceptional with a saturation rarely.
Blue zones enriched along facet joints and girdle.
Fine specks are considered okay as a stone found without any inclusions is incredibly rare to find.
Expect high saturation of color in burmese sapphire.
Photo courtesy of apsara co uk.
A magnified image showing a cluster of rutile silk in an untreated burmese blue sapphire.