Sapphire secrets: they aren't all blue, and mining them requires luck plus labour
- Written by Lynda Lawson, PhD candidate , The University of Queensland
Sapphire beads in a Jaipur workshop. Lynda Lawson , Author provided
My favourite gem is an occasional series where we ask a scientist to share the fascinating geological and social features of a beautiful rock. Part 1 is here.
I first remember seeing sapphires as a teenager in a jeweller’s shop in Silver Street in pre-Khmer Rouge Phnom Penh...
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