Lead-Glass Filled Ruby Inclusions

Inclusions found in lead-glass fille rubies...

Inclusions in lead-glass filled ruby

In this picture the filler is clearly visible on the stone's surface. This is due to the difference in the refractive index of the glass filler and the ruby. The darker patches are easiest to see when the stone is examined in a reflective light. Polishing lines are also clearly visible.

Inclusions in lead-glass filled ruby

Two gas bubbles clearly visible in a lead-glass filled ruby. This is a fairly common inclusion in these stones.

Inclusions in lead-glass filled ruby

The lead-glass filling stands out in high relief in this lead-glass filled ruby.

Inclusions in lead-glass filled ruby

Many lead-glass filled rubies show interference colours when the stones are examined under a microscope. The colours are best seen using a fibre optic light but are also visible using dark field illumination.

Inclusions in lead-glass filled ruby

The lead-glass filling stands out in high relief in this lead-glass filled ruby.

Inclusions in lead-glass filled ruby

The lead-glass filling stands out in high relief in this lead-glass filled ruby.

Inclusions in lead-glass filled ruby

The lead-glass filling stands out in high relief in this lead-glass filled ruby.

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