Burmese Blue Sapphire Inclusions

Colored stones are generally far more saturated with inclusions at a level of 10x magnification than diamonds.

Burmese blue sapphire inclusions.

Blue zones enriched along facet joints and girdle. Surface diffusion treated blue sapphire. 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. Inclusions in unheated sapphire from burma myanmar.

Folded fluid feathers and fingerprints are the most common inclusions in unheated burma sapphires. Completely untreated it displays a vivid royal blue with remarkable saturation. Photo courtesy of apsara co uk. Rounded guest crystals possibly calcite in an un treated burmese blue sapphire.

Burmese sapphire prices. With a medium to medium dark tone these gems also display a slightly violet tint. What can inclusions reveal about ruby and sapphire origins. Liquid fingerprint inclusion in an un treated burmese blue sapphire.

The spectra are normalized to a millimeter thickness. Cascades of swirled clouds included in a beryllium treated blue sapphire. Burmese sapphire is treasured for its royal blue hue. 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.

A magnified image showing a cluster of rutile silk in an untreated burmese blue sapphire. Expect high saturation of color 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. Liquid fingerprints guest crystals and two phase inclusions in an un treated burmese blue sapphire.

This feature is found in a beryllium treated blue sapphire due to high temperatures applied in this process. In general burmese thai and australian blue sapphires contain crystals of plagioclase feldspars orthoclase niobite columbite calcite monazite zircon apatite fergusonite and thorite. The 5 09 ct blue sapphire from mogok burma shown above is such a gem. Photo courtesy of apsara co uk.

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. Mining of burma sapphire gemstone. Short rutile also sometimes referred to as the burmese silk is the most common inclusion. The burma sapphires are formed in the igneous rocks that undergo contact and regional metamorphosis.

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. As a genuine gem some inclusions are expected to be found in burmese sapphire. The top spectrum o ray is offset of 0 1 absorbance unit for clarity.