Four Treasures Reference Database
Record No. 1979
An oil well in your garden
Journal Article
Hänni, H.A. (1988) An oil well in your garden. Swiss Watch and Jewellery Journal, Mar-88, pp. 461–464.
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gems, emerald, oiling, treatments, enhancements, fillers
This paper does not wish to deal with the luck of a Texan property owner, but rather to share my experience in the gemmological laboratory. The article could just as well be titled: What many people do not yet know about oiling emeralds, and others at times tend to forget. ”Cemmosophic” literature likes to use the French term jardin” (Engl.: garden) for typical, vei|—like inclusions visible to the naked eye. These internal structures, resembling leaves and tendrils, are commonly classified as healed fissures, but often also as open cracks. The latter are usually considered to be negative properties."
