Fracture Filling of Emeralds: Opticon and Traditional "Oils"

Gems: their sources, descriptions and identification

Choice Reviews Online · 1995 · 278 citations

Humanities, Literature, Numismatics +2

The Oil Treatment of Emeralds in Bogotá, Colombia

Ron Ringsrud · Gems & Gemology · 1983 · 22 citations · Full text

Engineering, Petroleum Engineering, Heavy Oil Recovery +6

The Characteristics and Identification of Filled Diamonds

John I. Koivula, Robert C. Kammerling, Emmanuel Fritsch et al. · Gems & Gemology · 1989 · 18 citations · Full text

Natural Sciences, Materials Engineering, Materials Science +3

Gemstone Enhancement and Its Detection in the 1980s

Robert C. Kammerling, John I. Koivula, Robert E. Kane · Gems & Gemology · 1990 · 16 citations

Natural Sciences, Earth Sciences, Geology +5