 | | Journal (article/letter/editorial) | | Characteristics of Emeralds from Rajasthan Area, India Li-Jie Qin 1 , Xiao-Yan Yu 1, * and Hong-Shu Guo...China Correspondence: yuxy@cugb.edu.cn Abstract: Emerald is among the most valuable gems in the world. Over...and geological research. In this study, emerald samples from India were examined by UV-Vis-NIR, FTIR, Raman...Cr, Sc, Cs, Rb, and Ga gradually increases in emerald with color band. Keywords: Indian emeralds; fluid...chemical composition Emeralds from Rajasthan Area, India. Minerals 2022, 12, 641. https:// doi.org/10.3390/min12050641 |  | Aurisicchio, Carlo, Conte, Aida M., Medeghini, Laura, Ottolini, Luisa, De Vito, Caterina (2018) Major and trace element geochemistry of emerald from several deposits: Implications for genetic models and classification schemes. Ore Geology Reviews, 94. 351-366 doi:10.1016/j.oregeorev.2018.02.001 | Journal (article/letter/editorial) | | Manuscript Major and trace element geochemistry of emerald from several deposits: Implications for genetic...Vito, Major and trace element geochemistry of emerald from several deposits: Implications for genetic...pertain. Major and trace element geochemistry of emerald from several deposits: Implications for genetic...report the chemical composition of representative emerald crystals from some of the most important worldwide...ternary diagrams contributed to discriminate among emerald crystals from various deposits, which are included |  | | Report (issue) | | our way through the compet itive minefield of emerald science, much of John's contribu tion to this...any other opinion. extraLapis English No. 2: Emerald The Most Valuable Beryl The Most Precious Gemstone...we • pay tribute to John Sinkankas to whom this emerald issue is dedicated. John Sinkankas wrote more...than 15 books including his 1981 definitive work Emerald and Other Beryls. He set standards for authors...Gloria & Gunther A 2001 Find of top-quality emerald crystals from La Pita at Maripi, Boyac |  | | Journal (article/letter/editorial) | | i e r. c o m / l o c a t e / o r e g e o r ev Emerald deposits and occurrences: A review L.A. Groat a...Available online 22 April 2008 Keywords: Emerald deposits Emerald occurrences Crystal chemistry Geochemistry...isotopes Classification Exploration A B S T R A C T Emerald, the green gem variety of beryl, is the third most...emeralds. However there is speculation that the emerald mines in Colombia are becoming depleted. Brazil...currently accounts for approximately 10% of world emerald production. Emeralds have also been mined in Afghanistan |  | | Journal (issue) | | tourmaline, (11) 2.16 ct demantoid, (12) 1.05 ct emerald, (13) 1.99 ct red beryl, (14) 0.72 ct ruby, (15)...available. Or the devastation inflicted on the emerald market when the stability of new and even traditional...Colombia), central and southern Asia (Sri Lanka, India, Afghanistan, Pakistan, Russia, and China), and...more commercially important gem materials (i.e., emerald and other beryls, alexandrite and other chrysoberyls...important source of fine emeralds. The Colombian emerald in this pendant weighs 8.40 ct. Courtesy of H. |  | | Journal (issue) | | that we register (e.g. red in ruby and green in emerald). In alexandrite the balance is so close that fairly...Verneuil-grown spinels Characterization of alexandrite, emerald and phenakite from Franqueira (NW Spain) C. Marcos-Pascual...chemical, physical and microscopic characteristics of emerald, alexandrite and phenakite from Franqueira (Spain)...only one of this type known in Spain. Keywords: Emerald, alexandrite, phenakite, Franqueira (Spain), Tokovaja...Introduction he Franqueira deposit of beryl (emerald), chrysoberyl (alexandrite) and phenakite is the |  | | Journal (issue) | | areas) and drainages, Pailin district, Figure 2: Distribution district, continuous lines, with with gem-barren...von Habsburg f41.00 Traditional Jewellery of India by Oppi Untracht fSS.OO Prices quoted exclude...Gunawardene, M., 1985. Peridot from Ratnapura District, studies on crystallized silicate melt and other...located in the large Golovinskoe deposit [11] Volyn district which forms part of Yolyn the western Ukrainian...with a fine emerald-green calciphyre. Octahedral and transparent but Chrome with a fine emerald-green colour |  | Giuliani, Gaston, Groat, Lee A., Marshall, Dan, Fallick, Anthony E., Branquet, Yannick (2019) Emerald Deposits: A Review and Enhanced Classification. Minerals, 9 (2) 105 doi:10.3390/min9020105 | Journal (article/letter/editorial) | | minerals Review Emerald Deposits: A Review and Enhanced Classification Gaston Giuliani 1, *, Lee A....February 2019 Abstract: Although emerald deposits are relatively rare, they can be formed...systems and models currently used to describe emerald precipitation and predict its occurrence are too...mode of formation for some emerald deposits. Generally speaking, emerald is beryl with sufficient concentrations...crystals. The limiting factor in the formation of emerald is geological conditions resulting in an environment |  | | Journal (issue) | | pProminence of the Modern Diamond Cutting Industry in India Menahem Sevdermish, Alan R. Miciak, and Alfred A...Abstracts ABOUT THE COVER: Over the past 30 years, India has emerged as the dominant supplier of small cut...weight of the diamonds polished worldwide come from India. The feature article in this issue discusses India’s...spawned a growing jewelry manufacturing sector in India. However, the Indian diamond jewelery–making tradition...PROMINENCE OF THE MODERN DIAMOND CUTTING INDUSTRY IN INDIA By Menahem Sevdermish, Alan R. Miciak, and Alfred |  | | Journal (issue) | | a synthetic pinkish beryl core and a synthetic emerald overgrowth (Koivula and Misiorowski, 1986). Emel'yanova...Nacken, nailhead spicules, Raman spectra, synthetic emerald Introduction N acken synthetic emeralds were...examination of both types of Nacken synthetic emerald by Nassau (1976, 1978, 1980) revealed the presence...cavities without any contributions of the synthetic emerald host to the X-ray fluorescence patterns obtained...emeralds, but may also form in flux-grown synthetic emerald when growth is started on a seed plate inclined |  | | Journal (issue) | | Special Emerald 2018 – Issue 40 All About Colored Gemstones World Emerald Update Highlights of the...the Second World Emerald Symposium, Bogotá International Gemstone Association AColored Publication of the...Issue 40 ׀InColor 1 2 InColor ׀Special Emerald 2018 InColorMagazine.com; Gemstone.org International... Contents In Side 5 Special World Emerald Update Editor’s Note World Emerald Challenge: Origins and Appellation...Appellation 16 The Second World Emerald Symposium in Colombia The Second World Emerald Symposium Focuses on Responsible |  | | Book | | Marshall, Anthony E. Fallick and Yannick Branquet Emerald Deposits: A Review and Enhanced Classification Reprinted...review proposed an enhanced classification for emerald deposits based on the geological environment (magmatic...one of the images (inclusions hosted in Russian emerald) for the cover page of this Special Issue book...A.; Marshall, D.; Fallick, A.E.; Branquet, Y. Emerald Deposits: A Review and Enhanced Classification....(sulfides of Ag, Pb, Cu, and Zn) in the Charcas mining district, San Luis Potosi. The area is characterized by |
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