Editorial
November 2025
Why gemology needs its own century
A note on the discipline's coming decades — instrumentation, computation, and the return of the trained eye.
6 min
Editorial
Essays, notes, and technical commentary.
Articles from EGP™ — on the craft, the science, and the responsibility of modern gemology.
Technique
October 2025
Reading three-phase inclusions without a spectrometer
How the humble gemological microscope, used carefully, still resolves questions that expensive instruments only complicate.
9 min
History
September 2025
On the Arabic gemological tradition
From al-Biruni's hydrostatic method to the modern laboratory — a scientific lineage that deserves to be recovered.
12 min
Ethics
August 2025
Disclosure is a scientific act
Why the disclosure of treatment, origin, and synthesis belongs to the ethics of science — not to the etiquette of trade.
5 min
Technique
July 2025
Photomicrography as scientific record
Framing, lighting, and citation — treating every photomicrograph as evidence rather than illustration.
8 min