Results 81 to 90 of about 1,971 (197)

Gemstones and other unique minerals and rocks of Wyoming—A field guide for collectors

, 2014
Gemstones and other unique minerals and rocks of Wyoming—A field guide for ...
W.D. Hausel (10069834), W.M. Sutherland (10070002)   +1 more
core   +1 more source

Man-Made gemstones, par D. Elwell, 1979

, 1980
Lagache Hubert. Man-Made gemstones, par D. Elwell, 1979. In: Bulletin de Minéralogie, volume 103, 6, 1980.
Lagache, Hubert
core  

Hellenistic and Roman gems and jewellery from south-western Turkey

Materiale și Cercetări Arheologice
In this paper, 19 Hellenistic and Roman engraved gemstones are discussed, all of which are in the collections of local museums at Aydın and Marmaris in south‑western Turkey.
Lafli, E., Henig, M.
doaj   +1 more source

Minerals in Afghanistan : gemstones of Afghanistan [PDF]

, 2007
Afghanistan and gemstones have been inextricably linked for 6500 years and the country remains rich in precious and semiprecious gemstone deposits (Figure 1). Lapis lazuli, mined in the Hindu Kush since the Neolithic Period, was transported along the
Benham, Antony John, McIntosh, Robert
core  

Ethics, law, and politics in palaeontological research: The case of Myanmar amber. [PDF]

Commun Biol, 2022
Dunne EM, Raja NB, Stewens PP, Zin-Maung-Maung-Thein, Zaw K.   +4 more
europepmc   +1 more source

Notes from the Field: Burkholderia pseudomallei Detected in a Raccoon Carcass Linked to a Multistate Aromatherapy-Associated Melioidosis Outbreak - Texas, 2022. [PDF]

MMWR Morb Mortal Wkly Rep, 2022
Petras JK, Elrod MG, Ty M, Adams P, Zahner D, Adams A, Calfee MW, Tomlinson C, Serre S, Ryan S, Jakabhazy E, Gee JE, Weiner Z, Bower WA, Negron ME, Hoffmaster AR, Honza H.   +16 more
europepmc   +1 more source

Anesthetic Management in a 4-Year-Old Child Undergoing Removal of a Gemstone Tracheobronchial Foreign Body.

J Indian Assoc Pediatr Surg, 2023
Shelly, Kumar R, Jayakumar TK, Sinha A, Kumar S.   +4 more
europepmc   +1 more source

Processing of End-of-Life Materials and Industrial Wastes. [PDF]

Materials (Basel), 2022
Kanari N, Shallari S, Allain E.
europepmc   +1 more source

APPRAISAL OF DIAMONDS AND GEMSTONES : How to facilitate the separation of natural and synthetic gemstones

, 2018
One major problem in the gemstone industry is that it is difficult to determine whether if a gemstone is natural or synthetic. Natural gemstones are found in the interior of the earth while the synthetic gems are created by people.
Sahlin, Anna
core  

Chrysoprase color grading with machine learning: A systematic approach. [PDF]

PLoS One
Jiang Y, Guo Y, Cheung V, Wang P, Westland S.   +4 more
europepmc   +1 more source