Gemstone Durability: Design to Display
Deborah Dupont Martin, June 1, 1987
A treatise on the design, display, care and repair of fine gemstones.
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The Elahera Gem Field in Central Sri Lanka
Mahinda Gunawardene and Mahinda S. Rupasinghe, June 1, 1986
The Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
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