Ruby / Sapphire Fakes

When you are visiting gem mines or markets in Africa, South Asia, South East Asia, South America and North America, you might encounter the following stones. Gem dealers, jewelers and gemologist (s) may or may not be able to recognize the 'intruders' or 'tell-tale' signs of the fakes due to 'momentary autism', lack of knowledge or even over confidence.

I.
- Heat treated, tumbled Verneuil synthetic ruby
- Heat treated and/or ‘quench-crackled’, tumbled Verneuil synthetic ruby.
- Heat treated and/or ‘quench-crackled’, tumbled, oiled or waxed Verneuil synthetic ruby.
- Heat treated and/or ‘quench-crackled’, blue dye impregnated, tumbled Verneuil synthetic ruby.
- Heat treated tumbled Verneuil synthetic ruby with fillings + with/without colored wax.
- Heat treated, tumbled Verneuil synthetic filled with fused particles of blue sapphire.
- Heat treated, tumbled Verneuil synthetic ruby that has modified opening (s) filled with fused particles of blue sapphire.
- Natural pink sapphires rough coated with dark red nail polish.

***** May Look Like Natural Ruby Rough

II.
- Heat treated, fashioned, tumbled Verneuil synthetic ruby.
- Heat treated, fashioned, tumbled, partly blue painted Verneuil synthetic ruby.
- Heat treated and/or ‘quench-crackled’, fashioned, tumbled Verneuil synthetic ruby.
- A composite crystal containing fragments of Verneuil synthetic ruby.

***** May Look Like Ruby Crystals

III.
- Heat treated and/or ‘quench-crackled’ Verneuil synthetic ruby.

***** May Look Like Faceted Ruby

IV.
- Heat treated and/or ‘quench-crackled’ Verneuil synthetic sapphire.

***** May Look Like Faceted Sapphire