 | | Journal (issue) | | our website! March Meeting Program: Maine’s Tourmaline Pegmatites details on page 14 In this issue...Watermelon, and so is watermelon tourmaline. Watermelon tourmaline is a particular, informal form of...members, No in-person social events for now! Tourmaline is a large family of minerals; in fact, it is...people, especially mineral collectors, think of tourmaline, they see elbaite in their mind’s eye, usually...gems called tourmalin (tourmaline) in the Elbaite candelabra from the Tourmaline Queen Mine in California |  | | Journal (article/letter/editorial) | | Tourmaline: The Kaleidoscopic Gemstone 7.7 carat fancy bluegreen Namibian tourmaline (set in 18 k gold)...top-quality “neon” blue-to-green, copper-bearing tourmaline, the Paraíba-type, is one of the highest-priced...species. KEYWORDS : tourmaline, gemstone, Paraíba-type, chromophores, gem deposits TOURMALINE AS A GEMSTONE...GEMSTONE Perhaps more than any other gemstone, tourmaline is renowned for its spectrum of colors, even within...within individual crystals (FIG. 1). In addition, tourmaline has the appropriate combination of beauty, durability |  | | Catalog/List | | Cerussites and Cuprites, Sapphires and Spinels, Tourmaline and Tanzanite, Emeralds and Jeremejevites, the...Africa, Swaziland, South Africa, Rhodesia, and Mozambique. Warren Taylor (1949 to present) Warren Taylor...Copper District, Namakwa District, Northern Cape Province, South Africa For those true believers in “crystal...Messina Mine, Musina, Vhembe District, Limpopo Province, South Africa Ajoite is a mineral with a hodge-podge...Kuruman, Kalahari Manganese Field, Northern Cape Province, South Africa This is a small group of lustrous |  | | Journal (article/letter/editorial) | | Chivor mine in Boyacá Province and the nearby Gachala mines in Cundinamarca Province have supplied fine...Mountain, Malga Lana, and Sonntagskal in Bolzano Province. Euclase was discovered at Epprechtstein in the...euclase are the pegmatites in Mozambique including at Ribaue in Nampula Province and the Emdal, Muiane, and...and Nahora mines at Alto Ligonha in Zambezia Province. Euclase is a minor mineral at the famous topaz...phenomenal quantites of blue beryl and black tourmaline from similar miarolitic cavities, euclase was |  | | Journal (issue) | | SPRING 2008 PAGES 1– 106 Paraíba-type Tourmaline from Mozambique History of Diamond Treatments VOLUME..._____________ 4 Copper-Bearing (Paraíba-type) Tourmaline from Mozambique Brendan M. Laurs, J. C. (Hanco) Zwaan...mining, and properties are described for this tourmaline, which typically yields bright Paraíba-like blue-to-green...2008 COPPER-BEARING (PARAÍBA-TYPE) TOURMALINE FROM MOZAMBIQUE Brendan M. Laurs, J. C. (Hanco) Zwaan...Alexander U. Falster Copper-bearing tourmaline from Mozambique was first recovered in 2001, but its |  | | Journal (issue) | | Issue 39 All About Colored Gemstones “Paraiba” Tourmaline The New Rising Star Mining in Luc Yen, Vietnam...Colored Gemstone & Jewelry Industry 16 Paraiba tourmaline and diamond ring by Alessio Boschi. Cover design...Paraiba Tourmaline Section Pretty in Paraiba Paraiba Tourmaline Revisited Paraiba Tourmaline from Brazil...Brazil – The Neon-Blue Burn Mozambique Paraiba Tourmaline Deposits – An Update Paraiba – A Miner’s Perspective...Madagascar, along with rubies in Greenland and Mozambique. Miners such as Fura, which just acquired Mustang |  | | Journal (issue) | | ......................................... 37 Mozambique ...............................................Jeg Dalek near Soroby, with some production of tourmaline, aquamarine and kunzite (Kunar Valley) in the...became known on the gemstone markets as “Paraiba Tourmaline.” Chemical testing proved that these stones also...Going down the Boqueirao Mine, one of two Paraiba tourmaline mines located close to Parelhas. Photo: Chico...tourmalines are similar stones recently discovered in Mozambique. Bright, vivacious tourmalines in colors ranging |  | | Journal (issue) | | sculpture from Peru • Scapolite from Mozambique • Update on tourmaline and other minerals from Warner Springs...enhancement, Irradiation, Irradiation + heating Tourmaline Clarity enhancement, Surface coating, Thermal...currently no reliable method to detect whether a tourmaline has been heat-treated, it is possible that this...irradiated and heated to create the blue color.” “The tourmaline may have been heat-treated to enhance the color...& GEMOLOGY SUMMER 2004 171 Scapolite from Mozambique. At the Tucson gem shows last February, Geofil |  | | Catalog/List | | on the night of September 2, 2015 in the Bingol Province of Turkey. The next morning, the town of Sariçiçek...appeal of this superb specimen from Turkey’s Bingol Province. Most pieces of the rare Howardite were initially...Traumatocrinus hsuixi Triassic, Hiuxia Beds Guizhou Province, China This unique and uncommon grouping of Triassic...com/5241 72155 Lapis Box Stone Source: Badakhshan Province, Afghanistan Artist: Konstantin Libman This charming...72156 Large Lapis Box Stone Source: Badakhshan Province, Afghanistan Artist: Konstantin Libman Lapis Lazuli |  | | Journal (issue) | | Nigeria • Update on rubies and Cu-bearing tourmaline from Mozambique • Sodalite from Afghanistan • Pseudo-chatoyancy...sphalerite from Spain • New find of pink-to-red tourmaline in Nigeria • Rough emerald imitation • Silicon...10). Thailand’s ruby production, mainly in Trat Province, was sporadic through the early years of the 20th...Mingxi in Fujian Province (Keller and Keller, 1986; Guo, 1992) and Changle in Shandong Province is comparable... quartz, tourmaline, and zircon.) The gems were derived from the massive geologic province and gem-bearing |  | | Journal (issue) | | deposits such as Kashmir, Thailand, Myanmar, Mozambique, Tanzania and Sri Lanka. The pre-function area...artisanal workings on a colluvial tourmaline deposit in Nampula Province, Mozambique. Purple: 2013; Blue: 2016;...Senha Mineira and the Certificado Mineiro in Mozambique, the Artisan Mining License and Special SmallScale...other beryls, Li tourmalines), tsavorite and Mg tourmaline deposits, other garnet deposits including demantoid...mineral. In Mozambique, we worked in and around the provinces of Cabo Delgado and Nampula with small-scale |  | | Book | | (Portugal) Malawi Mali Mauritania Mauritius Morocco Mozambique Namibia Niger Nigeria Reunion (France) Rwanda...calculations and hence resulting definition of the Mozambique Orogenic Belt Fig. 5 Orogenic belts in southern...1948 (Holmes, 1951). He provisionally dated the Mozambique Orogenic Belt to be approximately 1,300 Ma old...Archean age. Therefore, when Holmes defined the Mozambique Orogenic Belt as extending from south of the...The western part of the southern African Archean province is also concealed by up to 200m of the Kalahari |  | | Journal (issue) | | production. pg. 3 34 Cuprian Liddicoatite Tourmaline Yusuke Katsurada and Ziyin Sun Identifies 13...Titaniumdiffused synthetic sapphire • Coated Paraíba tourmaline • Rubellite with strong “pink sleeves” pg. 106...paintings • Designs from Paula Crevoshay • Nigerian tourmaline and sapphire • Turquoise Starship Enterprise...combining Brazilian diamonds, cuprian liddicoatite tourmaline, Japanese jadeite, iris quartz, synthetic zincite...copper-bearing tourmaline on the market today is elbaite, but some is undoubtedly another tourmaline species: |  | | Journal (issue) | | GEMOLOGICAL INSTITUTE OF AMERICA Review of Ruby from Mozambique Low-Temp Heat Treatment of Madagascar Sapphire...VOLUME 55, No. 2 EDITORIAL 161 Dive Into Summer: Mozambique Ruby, Madagascar Sapphire, and Black Nephrite...FEATURE ARTICLES p. 171 162 A Decade of Ruby from Mozambique: A Review Wim Vertriest and Sudarat Saeseaw Reviews...impact, and properties of ruby from northern Mozambique near Montepuez, now the world’s most productive...reserved. ISSN 0016-626X Dive Into Summer: Mozambique Ruby, Madagascar Sapphire, and Black Nephrite |  | | Book | | 2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...Administered Tribal Areas and North West Frontier Province. Ilmenite crystal clusters to 12 cm across have...Mountain, Warsak district, North West Frontier Province. Surface diggings worked by local people on Zagi...attributions-the Xinig mine, Quinghai Province, and the Nan Dang mine, Guangxi Province-and those seen at Tucson were...II mine, Kalahari field, Northern Cape [Cape] Province. Although not quite equaling the inesite specimens |
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