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| Gemological Characteristics of Emeralds from Kamakanga, Zambia Yi Zhang and Xiao-Yan Yu * School of Gemology...Currently, Zambia is one of the world’s major emerald-producing countries. In this study, emerald samples...samples from Kamakanga, Zambia, were systematically analyzed by standard gemological tests, microscopic observation...inclusions, and fluid inclusions. The study found Kamakanga emeralds have higher RI (refractive index) and...gravity) than average. The common inclusions in Kamakanga emeralds are pseudo-hexagonal, dark green, brownish |
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| The Netherlands GEOLOGICAL SETTING OF ZAMBIAN EMERALD DEPOSITS A.S. SLIWA and C.A. NGULUWE Zimco Limited...Lusaka (Zambia) ABSTRACT Sliwa, A.S. and Nguluwe, C.A., 1984. Geological setting of Zambian emerald deposits...deposits. Precambrian Res., 25 : 213--228. The Kafubu emerald deposits occur within rocks of the Muva Supergroup...immediately southwest of the well known Copperbelt of Zambia. Within the Muva Supergroup are persistent...sometimes within the quartz--tourmaline veins. The emerald fields are considered comparable in quantity and |
 | | Other Paper |
| Large-scale mining license 3. Large-scale gemstone license Main Points of the Zambian Mining Act ...7. Artisanal mining right 4. Small-scale prospecting permit 5. Small-scale mining license 4. Royalties...exceed 4 km2 Exclusive rights for exploration and mining operation for 2 years, not renewable Not to exceed... Appendix II-2 Structure of Mineral Rights in Zambia Type of Right Place of Application Required Documents...relinquishment is mandatory for renewal. LARGE-SCALE MINING LICENSE Registry for Minerals Rights (RMR) - Prescribed |
 | Zachariáš, J., Žáček, V., Pudilová, M., Machovič, V. (2005) Fluid inclusions and stable isotope study of quartz-tourmaline veins associated with beryl and emerald mineralization, Kafubu area, Zambia. Chemical Geology, 223 (1) 136-152 doi:10.1016/j.chemgeo.2004.12.023 | Journal (article/letter/editorial) |
| veins associated with beryl and emerald mineralization, Kafubu area, Zambia J. Zachariáš a,*, V. Žáčekb...Accepted 16 May 2005 Abstract The Kafubu Emerald Area in Zambia is an important producer of gemstone-quality...phlogopite-rich zones (max. 2 m wide) that rim numerous pegmatite dykes and epigenetic quartz-tourmaline veins in...Quartz; Tourmaline; Beryl; Emerald; Oxygen isotopes; Fluid inclusions; Kafubu; Zambia 1. Introduction During...decades, Zambia has become a world-class emerald-producing country. The entire Zambian emerald output, |
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| properties. pg. 89 116 Emeralds from the Kafubu Area, Zambia J. C. (Hanco) Zwaan, Antonín V. Seifert...properties of emeralds from this, the second largest emerald-producing country in the world, are described....again producing fine tourmalines, with both the mining area and the gems examined in this report. pg....lead the Institute’s groundbreaking studies on emerald fillers and diamond cut proportions. EDITORIAL...The bracelet and the 4.13 ct oval and 6.20 ct emerald cut in the rings are courtesy of Harry Winston |
 | | 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 |
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| greenish-blue to bluish-green. Until that time, emerald occurrences had not been known in Madagascar. Although...Although Levât (1912) had mentioned an occurrence of emerald of medium quality in Madagascar, but no detailed...large amounts of rose quartz in a kaolinized pegmatite at Tongafeno, near Tsaramanga, about 3 kilometres...external zone and an 'emerald green' nucleus, which did not consist of emerald, however, but rather of...green beryl. Sinkankas (1981) has mentioned an emerald occurrence located in the Mananjary-Ifanadiana |
 | | Journal (issue) |
| greenish-blue to bluish-green. Until that time, emerald occurrences had not been known in Madagascar. Although...Although Levât (1912) had mentioned an occurrence of emerald of medium quality in Madagascar, but no detailed...large amounts of rose quartz in a kaolinized pegmatite at Tongafeno, near Tsaramanga, about 3 kilometres...external zone and an 'emerald green' nucleus, which did not consist of emerald, however, but rather of...green beryl. Sinkankas (1981) has mentioned an emerald occurrence located in the Mananjary-Ifanadiana |
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| FEATURE ARTICLES 464 Geology of Corundum and Emerald Gem Deposits: A Review Gaston Giuliani and Lee...of the geology and genesis of gem corundum and emerald deposits. p. 569 512 A Review of Analytical...years, especially with the development of ruby mining in Mozambique. This contribution outlines GIA’s... 637 614 Geographic Origin Determination of Emerald Sudarat Saeseaw, Nathan D. Renfro, Aaron C. Palke...Caplan. The back cover shows emeralds from the Chivor mine in Colombia (3.90 ct faceted stone and 2.35 cm crystal) |
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| Discovery Stoppaniite Fabio Tamagnini Page 40 Emerald and Aquamarine in Canada Lee A. Groat Page 22...studies in 1811, during A.G. Werner's time at the Mining Academy in Freiberg, Saxony (Germany). From 1826...miners. He was also the gemstone inspector for the mining authority. Breithaupt's legacy is 500 publications...descriptions. T he above is a postcard of the School of Mining in Feiberg, Saxony printed for the 1991 Breithaupt...William "Skip" Simmons and Alexander Falster, pegmatite specialists from the University of New Orleans |
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| stones): (1) 2 5 . 4 3 ~ 1aquamarine, Santa Maria mine, Brazil; (2) 20.10-ct peridot, Burma; (3) 21.09-ct...Kenya; (5) 16.28-ct rubellit8 tourmaline, Queen Mine, Pala, California; (6) 15.18-ct tourmaline, Paraiba...( 9 ) 10.45-ct tsavorite, Kenya; (10) 4.82-ct emerald, Colombia; (11) 8.31-ct pink sapphire, Sri Lanka;...and Australia, emeralds from Colombia and Zambia, and pegmatite gemstones (tourmaline, aquamarine, etc.)...important gem materials is provided in figure 2. BERYL Emerald. Major expansion has occurred in the sources of |
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| Ukraine • Triplite from Pakistan • Gem localities in Zambia and Malawi • Barite “spears” in fluorite • Inclusions...creation of a fine suite of peridot jewelry from the mine in the Himalayas to the manufacture of the necklace... in the Sapat Valley, Mansehra district, North West Frontier Province (Kausar and Khan, 1996; Hammer...partially serpentinized dunitic host rocks.” The mine is situated in the western Himalaya Mountains at...level. Koivula et al. (1994a) reported that the mine could be reached by a seven-hour horseback ride |
 | | Book |
| EMERALD and OTHER BERYLS by JOHN SINKANKAS This is Beryls jewelers, gists, geologists, earth ...sciences, yet eminently facet and widely a Emerald historians, gemological Sinkankas, the permanent...metal beryllium. with Beginning author traces emerald—from its less ite, role of history’s pendix...Unmatched third is knowledge from author one emerald cutting and of exotic composition, physical...mineralogical once events. languages for beryl emerald logical to and part, Sinkankas explores and |
 | | 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...marketed, and merchandized. In diamonds especially, the mine-to-market process has been severely tested. Vertical...snapshot of a decade—and a profound one at that—from mining and localities to treatments and synthetics to...more commercially important gem materials (i.e., emerald and other beryls, alexandrite and other chrysoberyls |
 | | Book |
| undertake the task of abridging my much larger book, Emerald and Other Beryls (Chilton Book Co, 1981) to provide...xiii Chapter 1 Emerald and beryl in antiquity 1 Emerald in ancient Egypt 1 Emerald and beryl in ancient...10 Large European emerald objects 13 The Emerald Buddha 14 The Budha’s tooth emerald 15 Hernando Contez...use of beryls in the Americas 15 Chapter 2 Emerald and beryl in medieval and modern Europe 18 Biblical...24 Gesner’s De Omne Rerum Fossilium 24 Value of emerald and other gemstones 25 Some early 17th-Century |
 | | Book |
| undertake the task of abridging my much larger book, Emerald and Other Beryls (Chilton Book Co, 1981) to provide...Chapter 1 Emerald and beryl in antiquity xiii 1 Emerald in ancient Egypt 1 Emerald and beryl in...Pliny's Natural History 10 Large European emerald objects 13 The Emerald Buddha 14 The Budha's tooth emeraid...use of beryls in the Americas 15 Chapter 2 Emerald and beryl in medieval and ~odern Europe 18 Biblical...24 Gesner's De Omne Rerum Fossilium 24 Value of emerald and other gemstones 25 Some early 17th-Century |
