Cobalt Teal Lab Sapphire IS grown using the
Flame Fusion method
Cobalt Teal Lab Sapphire, House Of Sylas Long Cushion Cut, 13.29 Carats
Cobalt Teal Lab Sapphire, House Of Sylas Long Cushion Cut, 13.29 Carats
Cobalt Teal Lab Sapphire, House Of Sylas Long Cushion Cut, 13.29 Carats

Cobalt Teal Lab Sapphire, House Of Sylas Long Cushion Cut, 13.29 Carats

SQO261

Regular price$775.00
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💙🩵💚 This cobalt-doped lab-created sapphire gem is absolutely astonishing. Its remarkable dichroism, combined with a unique cut, produces a two-tone effect that is simply unmatched. Design a one-of-a-kind piece of jewelry with this stone to cherish for a lifetime!

DIMENSIONS AND SHAPE

Size: 15.28mm x 11.24mm x 8.6mm

Weight: 13.29  carats

Cut: House Of Sylas Long Cushion

Shape: Long Cushion

Clarity: Loupe Clean

Inclusions: None

Treatment:None

 

PHYSICAL PROPERTIES

MOHS hardness: 9.0

Pleochroism: Dichroic

Dispersion: 0.018

Density: 4.0

Refractive Index: 1.76

Chemical Formula:Al2O3


POSSIBLE JEWELRY APPLICATIONS

Cocktail Ring, Pendant, and Daily Wear

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🌍 GENERAL MATERIAL DESCRIPTION

  • Material Name:FF Teal
  • Country of Origin : Thailand
  • Growth Method: Flame Fusion

Cobalt flame fusion sapphire exhibits color variations due to the ability of cobalt to exist in two distinct valence states: Co2+ and Co3+, which impart blue and green hues, respectively. The majority of gemstones cut from this material feature a captivating teal shade, resulting from a blend of these two colors. Occasionally, cobalt may aggregate into minute cobalt aluminate crystals. Each gem cut from this material possesses a distinct uniqueness attributable to varying proportions of Co2+ and Co3+ within the crystal lattice.

🏭 SPECIFIC Lot INFORMATION

This material enjoys immense popularity, yet its availability remains exceptionally limited. The production runs for this material are marked by their small, irregular, and fluctuating volumes. We do our best to high grade the material only select the top 10% resulting in the most saturated gemstones.


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🧠 Gemology Literature

The articles cited here about lab created gemstones are all open source and chronologically sorted for quick and easy access. Each article comes from either the Journal of Gemmology (JofG) or Gems and Gemmology (G&G) archives.