Rubies | AMNH https://www.amnh.org/research/physical-sciences/earth-and-planetary-sciences/research/minerals-gems/rubies
Identifying sources among Burmese rubies.
Stones rarely have silk or feathers and are usually very
Identifying sources among Burmese rubies.
Stones rarely have silk or feathers and are usually very
We can take samples from large to small, well-characterized specimens using cutting, polishing, crushing, sorting, and examination tools in EPS.
Ebel This saw with a very thin, round, diamond-coated