Czochralski Cobalt Spinel, Pixel Rectangle Cut, 67.60 Carats
Czochralski Cobalt Spinel, Pixel Rectangle Cut, 67.60 Carats
Czochralski Cobalt Spinel, Pixel Rectangle Cut, 67.60 Carats

Czochralski Cobalt Spinel, Pixel Rectangle Cut, 67.60 Carats

SQO2611

Regular price$2,600.00
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Shipping calculated at checkout.

🔷🔵✨ An absolute monster czochralski blue pixel cut gem cut to perfection! A stunning Pixel Rectangle-cut blue spinel weighing an impressive 67.60 carats, this gem delivers vivid oceanic color and brilliant facet play. Known for its durability, it’s exceptionally well-suited as a centerpiece for everyday jewelry like rings or pendants, offering reliable wearability and lasting beauty.

DIMENSIONS AND SHAPE

Size: 29.1mm x 19.98mm x 14.0mm

Weight: 67.6  carats

Cut: Pixel Rectangle

Shape: Rectangle

Clarity: Loupe Clean

Inclusions: None

Treatment:None

 

PHYSICAL PROPERTIES

MOHS hardness: 8.25

Pleochroism: 

Dispersion: 0.026

Density: 3.61

Refractive Index: 1.72

Chemical Formula:MgAl2O4


POSSIBLE JEWELRY APPLICATIONS

Pendant, Show Off To Friends, and Brooch

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🌍 GENERAL MATERIAL DESCRIPTION

  • Material Name:CZ Blue Spinel
  • Country of Origin :
  • Growth Method: Czochralski

Cobalt-doped spinel crystals are highly valued in scientific applications, particularly in laser and optical technologies. The cobalt ions within the spinel structure allow these crystals to absorb and manipulate light in specific wavelengths, making them useful as saturable absorbers in Q-switched lasers. This property is essential for producing short, intense pulses of light, which are used in medical applications like laser eye surgery, dermatology, and tattoo removal, as well as in industrial tasks requiring precise material processing, such as drilling and cutting.

🏭 SPECIFIC Lot INFORMATION

This was a lot of scientific crystal scrap. The tops of the boules were chopped off because they are not suitable for laser manufacturing.


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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.