An ideal blue ceylon sapphire asscher cut with lovely clarity.
Blue sapphire ceylon star corundum.
Some stones exhibit the phenomenon known as color change most often going from blue in daylight or fluorescent lighting to purple under incandescent light.
Besides blue sapphire and ruby the corundum family also includes so called fancy sapphires they come in violet green yellow orange pink purple and intermediate hues.
Sri lanka is best known for its large exceptional sapphire star sapphires.
Blue sapphires like being a variety of corundum family shares the same traits of hardness of 9 mohs scale and the specific gravity of 4.
Star corundum can be red pink blue black gray brown purple or yellow practically every color under the sun.
So although corundum occurs in a wide range of colors it can be named only ruby or sapphire.
Itâ s caused by reflections from tiny needle like inclusions that are oriented in several specific directions.
The 466 ct blue giant of the orient supposedly mined from the ratnapura area in 1907.
The appeal of blue sapphires.
Star rubies and star sapphires belong to the phenomenal corundum category.
Stars are usually made up of 2 3 or 6 intersecting bands resulting in 4 6 or 12 rays.
Incidentally 60 of the largest gemstones including sapphires had been sourced from this small island in the indian ocean.
Important stones from sri lanka.
The color blue immediately comes to mind when imagining a gorgeous sapphire gemstone blue sapphires have captured the collective adoration of people across centuries and are considered a symbol of love loyalty power and wisdom.
Metaphysically the star sapphire imbues one with a high level of discernment especially when it comes to others intentions and helps one to focus their thoughts 1 2 3 in addition to the color properties for each sapphire.
Naturally some colors of star corundum are valued more highly than others.
Sri lanka has long celebrated as the main source for large blue sapphires and star corundum that are above the size of 100 carats.
Just remember that.
The 423 ct logan blue sapphire and the 138 ct rosser reeves star ruby both housed in the smithsonian institution s national museum of natural history.
The star effect is called asterism.
In this post you will read about the most celebrated blue sapphire from sri lanka.