Recent & current projects
Public Lands Preservation & Access Advocacy
California Federation of Mineralogical Societies, Inc.
San Diego Mineral & Gem Society, Inc.
The Rifleman, the Original Series – Seasons 1–5 DVDs
The Annual Sinkankas Symposium
Ars longa, vita brevis
Lost in translation: The legacy of ancient literary sources to gem science in Renaissance Italy (2018)
Archaeogemology of sapphire (2017)
Archaeogemmology and ancient literary sources
on gems and their origins (2017)
Ruby & Sapphire in the Ancient World (2017)
Archaeogemology of peridot (2014)
Analytical provenance study on garnet (2013)