Saturday, February 8, 2025

New Fashion Wedding 2024 Gold 18k Jewelry Diamond Ruby Necklace In Lebanon.

  New Fashion Wedding 2024 Gold 18k Jewelry Diamond Ruby Necklace In Lebanon.

By Aamir Mannan.       Saturday, 08, February, 2025.

These heat treatments typically occur around temperatures of 1800 °C (3300 °F). Some rubies undergo a process of low tube heat, when the stone is heated over charcoal of a temperature of about 1300 °C (2400 °F) for 20 to 30 minutes. The silk is partially broken, and the color is improved.


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