Apsara - Beautiful Rubies & Sapphires
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Wednesday, 14 May 2008
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Ruby Inclusions

A guest crystal with colour swirls or 'treacle' inclusions in the background. Treacle is a unique inclusion to rubies from Mogok. A cluster of apatite crystals in this un-treated ruby from Mogok. Rutile 'silk' inclusions in un-treated Mogok ruby.
Un-Treated Mogok Ruby Un-Treated Mogok Ruby Un-Treated Mogok Ruby

 

   
Apatite crystals seen through different facets, creating a mirroring effect. A cluster of guest crystals in this un-treated Burmese ruby. Guest crystals in un-treated Mogok ruby.
Un-Treated Mogok Ruby Un-Treated Mogok Ruby Un-Treated Mogok Ruby
     
Colour swirls or 'treacle' in Mogok Ruby. Guest crystals and treacle in Mogok Ruby. Calcite guest crystals and treacle in Mogok Ruby.
Un-Treated Mogok Ruby Un-Treated Mogok Ruby Un-Treated Mogok Ruby
     
Calcite guest crystal in Mogok Ruby. This partially disolved rutile silk is evidence this stone has undergone high tempreature heat-treatment. A typical Mong Hsu ruby with distinctive sleepy appearance.
Un-Treated Mogok Ruby Vietnamese Ruby Mong Hsu Ruby
     
A relatively clean Mong Hsu ruby but still showing white clouds. A typical Mong Hsu ruby clearly showing white cloudy inclusions. A typical Mong Hsu ruby with distinctive sleepy appearance.
Mong Hsu Ruby Mong Hsu Ruby Mong Hsu Ruby
     
A typical Mong Hsu ruby with distinctive sleepy appearance. A typical Thai ruby. A typical Thai ruby.
Mong Hsu Ruby Thai Ruby Thai Ruby

 

   

 

Blue Sapphire Inclusions

Guest crystals and silk in Burmese sapphire. Guest crystals standing out in high relief. A liquid fingerprint inclusion forming an intricate pattern.
Un-Treated Burmese Sapphire Un-Treated Burmese Sapphire Un-Treated Burmese Sapphire
     
Guest crystals in Mogok sapphire. Guest crystals and liquid fingerprint inclusions. This stone also contains two-phase inclusions. Guest crystals and rutile silk viewed with fibre optic light.
Un-Treated Burmese Sapphire Un-Treated Burmese Sapphire Un-Treated Burmese Sapphire
     
The same stone as the previous image with the guest crystals and rutile silk viewed with dark field illumination. Guest crystals and rutile silk in Mogok sapphire. The iridescent colours seen in this image are a result of using fibre optic light to view the rutile silk.
Un-Treated Burmese Sapphire Un-Treated Burmese Sapphire Un-Treated Sri Lankan Sapphire
     
Rutile silk showing iridescent colours, which can be seen when using fibre optic lighting. Typical sleepy appearence of Thai sapphires from Kanchanaburi. The sleepy appearence of these Thai sapphires is caused by tiny white particles, which cannot be removed by heat-treatment.
Un-Treated Sri Lankan Sapphire Thai Sapphire Thai Sapphire
     
Tiny white particle inclusions intesecting at 60 & 120 degrees. Tiny white particle inclusions giving distinctive sleepy appearence of Thai sapphires from Kanchanaburi. Uranian pyrochlore inclusions, which are often mistakenly thought of as ruby crystals. These inclusions are unique to sapphires from Pailin.
Thai Sapphire Thai Sapphire Pailin Sapphire
     
Liquid fingerprint inclusions and uranian pyrochlore in Pailin Sapphire.   Specks of uranian pyrochlore in Pailin sapphire.
Pailin Sapphire   Pailin Sapphire

 

 

 
Fancy Coloured Sapphire Inclusions
Guest crystal in Burmese pink sapphire. Guest crystals and rutile silk right down in the culet of this brilliant cut pink sapphire. These inclusions are not visible through the table due to the way the stone has been cut. A cluster of guest crystals.
Burmese Pink Sapphire Burmese Pink Sapphire Burmese Pink Sapphire
     
An unusual cluster of rutile silk in a triangular pattern. If this gem had undergone high tempreature heat-treatment, these inclusions would melt and diffuse into the stone giving them a hazy appearence. Guest crystals in this un-treated Madagascan pink sapphire. Guest crystals in un-treated Burmese yellow sapphire.
Madagascan Pink Sapphire Madagascan Pink Sapphire Burmese Yellow Sapphire
     
Unusual guest crystals stand out in high relief in this Sri Lankan star sapphire. Zircon particle inclusions commonly seen in Madagascan pink sapphires. Zircon particle inclusions commonly seen in Madagascan pink sapphires.
Sri Lankan Star Sapphire Madagascan Pink Sapphire Madagascan Pink Sapphire
     
Zircon particle inclusions commonly seen in Madagascan pink sapphires. Zircon particle inclusions commonly seen in Madagascan pink sapphires. The stress ring around the crystal in the top of the picture is caused by high tempreature heat-treatment. Zircon particles and parallel needle inclusions in Madagascan pink sapphires.
Madagascan Pink Sapphire Madagascan Pink Sapphire Madagascan Pink Sapphire
     
Zircon particle inclusions commonly seen in Madagascan pink sapphires. Discoid inclusion in Madagascan yellow sapphire. Zircon particle inclusions in Madagascan yellow sapphire.
Madagascan Pink Sapphire Madagascan Yellow Sapphire Madagascan Yellow Sapphire
     
Needle inclusion in Madagascan yellow sapphire. Zircon particle inclusions in Madagascan yellow sapphire. Zircon particle inclusions in Madagascan yellow sapphire.
Madagascan Yellow Sapphire Madagascan Yellow Sapphire Madagascan Yellow Sapphire
     

 
Other Gem Inclusions
Byssolite or horsetail inclusions unique to Russian demantoids. Byssolite or horsetail inclusions unique to Russian demantoids. Byssolite or horsetail inclusions unique to Russian demantoids.
Russian Demantoid Garnet Russian Demantoid Garnet Russian Demantoid Garnet
     
Russian Demantoid Garnet Russian Demantoid Garnet Russian Demantoid Garnet
     
Guest crystals. A relatively clean Afghani emerald.
Russian Demantoid Garnet Spessartite Garnet Panjshir Emerald
   
A feather inclusion bending around a negative octahedral crystal with other crystals in background. Guest crystals. Guest crystals.
Burmese Spinel Burmese Spinel Tsavorite Garnet
     
  Guest crystals & needle inclusions.  
  Tsavorite Garnet  
     

 
Beryllium-Treated Sapphire Inclusions
Zircon crystals turn 'fluffy' after treatment with beryllium. Be-treated orange/red sapphire from Songea. Wheat-like liquid feather inclusions in a Be-treated sapphire.
Beryllium-Treated Sapphire Beryllium-Treated Sapphire Beryllium-Treated Sapphire
     
Fluffy cotton wool type inclusions with haloes caused by the high tempreatures used in the heating process in a Be-treated sapphire. More fluffy zircon crystals. Liquid tubular channel inclusions in a Be-treated sapphire.
Beryllium-Treated Sapphire Beryllium-Treated Sapphire Beryllium-Treated Sapphire
     
Dendritic inclusions on a plane with fuzzy cotton wool type inclusions in a Be-treated sapphire.   A cross-sectioned slice of a Be-treated Madagascan pink sapphire, clearly showing the orange skin and pink inner core.
Beryllium-Treated Sapphire Beryllium-Treated Sapphire
     

 
Synthetic Corundum Inclusions
The back of a Verneuil or Flame- Fusion synthetic star sapphire, clearly showing curved colour banding. Top of synthetic star sapphire showing curved colour banding. Curved colour banding.
Synthetic Star Sapphire Synthetic Star Sapphire Synthetic Star Sapphire
   
A multitude of tiny gas bubbles Curved striae in synthetic flame-fusion ruby. Flame-fusion synthetic ruby with added whispy & web-like inclusions to mimic natural inclusions.
Synthetic Star Sapphire Synthetic Ruby Synthetic Ruby
   
Web like inclusions and curved striae visable to the right of the picture.   Whispy web like inclusions added by heating the stone and dropping the stone in liquid.
Synthetic Ruby   Synthetic Ruby
     

 

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