Burmese Blue Sapphire Inclusions

Burmese sapphire prices.

Burmese blue sapphire inclusions.

The spectra are normalized to a millimeter thickness. Colored stones are generally far more saturated with inclusions at a level of 10x magnification than diamonds. Limited supply and strong demand also fluctuate burma neelam stone price upto a certain extent. 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. Photo courtesy of apsara co uk. In general burmese thai and australian blue sapphires contain crystals of plagioclase feldspars orthoclase niobite columbite calcite monazite zircon apatite fergusonite and thorite. Completely untreated it displays a vivid royal blue with remarkable saturation.

Inclusions in unheated sapphire from burma myanmar. 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. The richness and consistency of the color and the velvety texture is due in part to fine rutile silk inclusions that disperse light. Expect high saturation of color in burmese sapphire.

The 5 09 ct blue sapphire from mogok burma shown above is such a gem. Mining of burma sapphire gemstone. The top spectrum o ray is offset of 0 1 absorbance unit for clarity. Folded fluid feathers and fingerprints are the most common inclusions in unheated burma sapphires.

As a genuine gem some inclusions are expected to be found in burmese sapphire. Blue zones enriched along facet joints and girdle. Surface diffusion treated blue sapphire. What can inclusions reveal about ruby and sapphire origins.

Photo courtesy of apsara co uk. Cascades of swirled clouds included in a beryllium treated blue sapphire. With a medium to medium dark tone these gems also display a slightly violet tint. The color is truly exceptional with a saturation rarely.

The burma sapphires are formed in the igneous rocks that undergo contact and regional metamorphosis. 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. Color clarity cut and carat weight are the major factors influencing burmese sapphire value. Liquid fingerprint inclusion 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. Burmese sapphire is treasured for its royal blue hue. A magnified image showing a cluster of rutile silk in an untreated burmese blue sapphire.