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Fortieth Anniversary of the Belmont Mine
Brazilian Watermelon Tourmaline with Iris Effect
Quarterly Crystal: Molybdenite Phantoms in Quartz
Raman analysis identifies unusual inclusions in quartz.
Fluorescence Spectroscopy for Colored Pearl Treatment Screening
A nondestructive rapid screening technique uses fluorescence spectroscopy to identify treated colored pearls.
"Modern" Jewelry: Retro to Abstract
Pastel Pyropes
Ruby and Sapphire from Jegdalek, Afghanistan
Low-Temperature Heating of Mogok Ruby, Copper-Diffused Feldspar, Porcelain-Treated Turquoise, and the Work of Gem Artist Chi Huynh
A Zircon with Strong Photochromic Effect
Radioactive Morganite
Letters: Nacken Synthetic Emeralds: Additional Information
