Ruby & Sapphire (1997) • Burma (Myanmar) Ruby & Sapphire

1 January 1997

The chapter on ruby and sapphire from Burma (Myanmar) from Richard Hughes' 1997 book, Ruby & Sapphire.

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History of Ruby & Sapphire Heat Treatment

1 July 1995

A brief history of the heat treatment of ruby & sapphire, from ancient times to the modern era.

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