 | | Journal (article/letter/editorial) | | Characteristics of Emeralds from Rajasthan Area, India Li-Jie Qin 1 , Xiao-Yan Yu 1, * and Hong-Shu Guo...geological research. In this study, emerald samples from India were examined by UV-Vis-NIR, FTIR, Raman spectra...Indian emeralds typically included phlogopite, quartz, talc, aragonite, and albite. The representative...chemical composition Emeralds from Rajasthan Area, India. Minerals 2022, 12, 641. https:// doi.org/10.3390/min12050641...the authors discovered Rajasthan emeralds from India in a China market. Indian emeralds are typical schist-hosted |  | 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) | | listed as follows. 2.1 Type-1 deposits The emerald district of Poona (Australia), related to felsic intrusions...3 conditions) between pre-existing quartz–muscovite or quartz–topaz greisens and ultramafic bodies...bromellite (BeO) and quartz within micaceous veinlets. The genesis of Malyshevsk emerald district (in the eastern...(BeO) in metasomatic veins (Pekov, 1998). In the district of Mananjary deposit (Madagascar) emerald crystals...complex (Vapnik and Moroz, 2000). Emerald along with quartz, feldspar, and topaz occur in small pegmatite pockets |  | | Report (issue) | | Stefan Weiss and Debra Wilson Whether from ancient India, Greece, Rome or Colombia, emeralds have always...Emeralds· of the World Beryl and Emerald: Words from India ......4 A brief etymology Christa Behmenburg World...Beautiful Green!'' Asia: Pakistan, Afghanistan and India .......6 0 Old Mine Emeralds . . . . . . . . . ...beryl and emerald likely came to us from ancient India. Though the true roots of these words are lost in... epilepsy, migraine and infestation by worms. India: "Emerald brings Luck " Emeralds and their healing |  | | Journal (article/letter/editorial) | | Afghanistan, Australia, Austria, Bulgaria, China, India, Madagascar, Namibia, Nigeria, Pakistan, South Africa...Canada, the Muzo mine in Colombia, the Mohmand district in Pakistan, and Norway. Beryl has a wide stability...emeralds are in pegmatite dikes with fluorite, beryl, quartz, topaz, arsenopyrite, and cassiterite. The crystals...the emeralds occur in quartz and pegmatite veins and are associated with quartz, feldspar, biotite, and...al., 2002). Australia's most productive emerald district is a 10 km2 area around the village of Poona in |  | | Journal (issue) | | Colombia), central and southern Asia (Sri Lanka, India, Afghanistan, Pakistan, Russia, and China), and...jade [both jadeite and nephrite], opal, peridot, quartz, spinel, tanzanite, topaz, and tourmaline). Locality...They built fires under massive aquamarine-bearing quartz bodies, and then threw water onto the heated rock...Madagascar. Toward the end of the decade, sources in India (both in Orissa and Andhra Pradesh) provided new...carats and yielded faceted rubies from 10 to 30 ct. India and Africa continue to produce primarily cabochon-quality |  | | Journal (issue) | | zonation seen in quartz crystals that are part amethyst and part citrine as 'dichromatism in quartz'. For this...O.V., 1986. The amethystcitrine dichromatism in quartz and its origin. Phys. Chem. Minerals, 13, 415-21...microprobe analyses were also made of phlogopite, quartz, pyrite and anthophyllite inclusions exposed at...of the beryl host. Other inclusions consist of quartz, pyrite, phenakite, beryl, ilmenite, alexandrite...beryl, alexandrite, phenakite, pyrite, ilmenite, quartz, anthophyllite 6 Phlogopite (FeO wt. % s 4) and |  | | 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...crystals of both the normal constituents of the rocks (quartz and feldspar) and some rarer accessory minerals |  | 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) | | worldwide photographs: (a) Emerald crystals on quartz and adularia, Panjshir Valley, Afghanistan, 6.6...Louis-Dominique Bayle, le Règne Minéral; (c) Emerald in quartz, Kagem mine, Zambia, longest crystal: 7.9 × 1.2...Louis-Dominique Bayle, le Règne Minéral; (d) emerald in quartz vein and minor potassic feldspar, Dyakou, China...Brazil, Eastern Africa, South Africa, Madagascar, India, and Australia, and younger volcano-sedimentary...series or ophiolites in Bulgaria, Canada, China, India, Pakistan, Russia, and Spain. Colombian emerald |  | | Journal (issue) | | pProminence of the Modern Diamond Cutting Industry in India Menahem Sevdermish, Alan R. Miciak, and Alfred A...Arthur Lee Anderson 34 Russian Synthetic Pink Quartz Vladimir S. Balitsky, Irina B. Makhina, Vadim I...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 |  | | Journal (issue) | | News, 9, 10--11 Van Praagh, G., 1947. Synthetic quartz crystals. Geological Magazine, 84, 98-100 Walrafen...Russia, Zambia, Zimbabwe-Sandawana, Afghanistan and India) crystalline inclusions are more frequent, but fissures...Opticon etc. This treatment, mainly practised in India, is easily visible under magnification. Emeralds...minerals such as topaz (Isogami and Sunagawa 1975), quartz and tourmaline. The assumption that pegmatite formation...principal pebble constituents include clayrock, quartz, chert and igneous rocks and that the amount of |  | | Journal (issue) | | Presidents Damien Cody, Australia Nirmal Kumar Bardiya, India Treasurer Marcelo Ribeiro, Brazil Secretaries Bruce...Ho, Thailand Rakesh Jain, Hong Kong Vijay Kedia, India Masaru Mizumura, Japan Alice Muthama, Kenya Stephan...reserves. Some 85% of emerald sales occur in the USA, India, Brazil, Europe, Thailand, UAE, Colombia and China...concludes. Other Aprecol Projects ● Boyacá's Art District: Joint venture with one of Colombia’s top galleries...and their dyke swarms of pegmatites, aplites and quartz veins. The socalled felsic rocks (FELSR), with |  | | Book | | Xydous On the Color and Genesis of Prase (Green Quartz) and Amethyst from the Island of Serifos, Cyclades...[34] focus on the genesis of prase (green-coloured quartz) and amethyst from Serifos Island (Cyclades, Greece)...oxygen and hydrogen isotopic composition of both quartz varieties suggest a mixing of magmatic and meteoric...Xydous, S. On the Color and Genesis of Prase (Green Quartz) and Amethyst from the Island of Serifos, Cyclades...muscovite, tourmaline, albite, and quartz; Zone II: K-feldspar (microcline), quartz, and albite; Zone III: perthite |
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