Treatments

Gas bubble in a large cavity filled with blue lead glass in a Lead glass filled cobalt doped blue Sapphire - Composite Sapphire

Normal-Heated

Crystal surrounded by an iridescent discoid fracture in heated Sapphire

Ti-Diffusion

Be-Diffusion

Melted crystals with signs of recrystallization in Beryllium treated Sapphire

Lead Glass Filled

Growth structures in lead glass filled Ruby cabochon

Flux Healed

Other treatments

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