Description
IN THIS ISSUE:
- Editorial – All gemstones are treated and ultimately worthless (Paolo Minieri)
- The Diamond View – Synthetic diamonds vs. natural diamonds. Let’s talk again about their value (Sergio Sorrentino)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Fourteenth episode (Luigi Costantini and Claudio Russo)
- GEM NEWS – Rubies from Vietnam can also be graded as pigeon blood but are cheaper
- GEM NEWS – Ruby mining under attack of Islamic group Al-Shabab in Mozambique
- GEM NEWS – Ruby and sapphire low temperature heating and irradiation to be discussed in a LMHC sheet
- GEM NEWS – VicenzaOro January 2023 is record-breaking. Appointment from September 8 to 12 for the new edition
- GEM NEWS – Next to Australia and Ethiopia, can Mars be a new source of opals?
- GEM NEWS – GIA printed report abandonment too precipitous, traders say
- ETHICAL STONES – Is embargo to Russian diamonds effective? Apparently not (Paolo Minieri)
- CRASH TEST – Gemstone testing during the Jewelry Manufacturing process. Lead-glass filled ruby (Domenico Romanelli and Stefania Coppola)
- Synthetic Morganite, the long journey of hydrothermal pink beryl (Alberto Malossi)
- REVIEWS – Discovering the microbial life in agates and other minerals: “Biominerals”, the new book by Marco Campos-Venuti (Michele Macrì)
- Giorgio Spezia and the hydrothermal quartz (Emanuele Costa and Raffaella Navone)
- Gota de Aceite: emerald’s secret attraction (Ronald Ringsrud)
- COUNTER-GEMOLOGY – Cheats, Impostures, Deceptions, Mystifications, Frauds (The “Bad-Mouthed Jiminy Cricket”: Luigi Costantini)
ON THE COVER:
Earrings and ring with Colombian emeralds. (Photo: Liviano Soprani)
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