Gemstone Knowledge
SOOKJAI KNOWLEDGE
Gemstone Knowledge
A considered guide to gemstones — from colour and cut to origin, treatment and the stories behind each stone.
Origin · Other Gemstones
Siam Ruby: The Story Behind Thailand’s Historic Ruby Name
Siam Ruby is a historic name connected with the ruby fields of eastern Thailand. Explore its purplish-red association, the Chanthaburi-Trat deposits, the decline of large-scale mining and how local ruby helped shape Thailand into a major coloured-stone centre.
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