Burmese Blue Sapphire Inclusions

Color clarity cut and carat weight are the major factors influencing burmese sapphire value.

Burmese blue sapphire inclusions.

Mining of burma sapphire gemstone. Liquid fingerprint inclusion in an un treated burmese blue sapphire. In general burmese thai and australian blue sapphires contain crystals of plagioclase feldspars orthoclase niobite columbite calcite monazite zircon apatite fergusonite and thorite. Burmese sapphire is treasured for its royal blue hue.

Rounded guest crystals possibly calcite in an un treated burmese blue sapphire. Surface diffusion treated blue sapphire. Short rutile also sometimes referred to as the burmese silk is the most common inclusion. Folded fluid feathers and fingerprints are the most common inclusions in unheated burma sapphires.

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. Liquid fingerprints guest crystals and two phase inclusions in an un treated burmese blue sapphire. 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.

Photo courtesy of apsara co uk. Expect high saturation of color in burmese sapphire. The color is truly exceptional with a saturation rarely. Blue zones enriched along facet joints and girdle.

The spectra are normalized to a millimeter thickness. A magnified image showing a cluster of rutile silk in an untreated burmese blue sapphire. Burmese sapphire prices. Completely untreated it displays a vivid royal blue with remarkable saturation.

This feature is found in a beryllium treated blue sapphire due to high temperatures applied in this process. Photo courtesy of apsara co uk. As a genuine gem some inclusions are expected to be found in burmese sapphire. The richness and consistency of the color and the velvety texture is due in part to fine rutile silk inclusions that disperse light.

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. Limited supply and strong demand also fluctuate burma neelam stone price upto a certain extent. The burma sapphires are formed in the igneous rocks that undergo contact and regional metamorphosis. The top spectrum o ray is offset of 0 1 absorbance unit for clarity.

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. With a medium to medium dark tone these gems also display a slightly violet tint. Inclusions in unheated sapphire from burma myanmar.