Works matching DE "TOPAZ"

Results: 77

Gem Pegmatites of Ukraine, Russia, Afghanistan, and Pakistan: An Update on Recent World-Class Finds.

Published in:

Gems & Gemology, 2018, v. 54, n. 3, p. 278

By:

Lyckberg, Peter

Publication type:

Article

Gemstones and Sustainable Development Knowledge Hub.

Published in:

Gems & Gemology, 2018, v. 54, n. 2, p. 243

By:

Archuleta, Jennifer-Lynn;
Palke, Aaron

Publication type:

Article

2018 Tucson Photo Gallery.

Published in:: 2018
Publication type:: Image

Importance of the secondary market for fine gems.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 122

By:

Pay, Duncan

Publication type:

Article

Quarterly Crystal: Mystery in Topaz.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 108

By:

Koivula, John I.

Publication type:

Article

Sphalerite in Topaz.

Published in:

Gems & Gemology, 2016, v. 52, n. 3, p. 314

By:

Muyal, Jonathan;
Ziyin Sun;
Renfro, Nathan;
Palke, Aaron

Publication type:

Article

Quarterly Crystal: Triplite in Topaz.

Published in:

Gems & Gemology, 2016, v. 52, n. 2, p. 205

By:

Koivula, John I.

Publication type:

Article

G&G Micro-World.

Published in:

Gems & Gemology, 2015, v. 51, n. 3, p. 324

By:

Muyal, Jonathan;
Shigley, James;
Ziyin Sun;
Renfro, Nathan;
Steenbock, Adam;
Skalwold, Elise A.;
Koivula, John I.;
Sanchez, Danny J.;
Palke, Aaron;
Berg, Richard B.

Publication type:

Article

The Radioactive Decay Pattern of Blue Topaz Treated by Neutron Irradiation.

Published in:

Gems & Gemology, 2011, v. 47, n. 4, p. 302, doi. 10.5741/GEMS.47.4.302

By:

Zhang, Jian;
Lu, Taijin;
Wang, Manjun;
Chen, Hua

Publication type:

Article

Phenakite from Nigeria.

Published in:

Gems & Gemology, 2009, v. 45, n. 4, p. 301

By:

Laurs, Brendan M.

Publication type:

Article

Topaz with unstable brown color.

Published in:

Gems & Gemology, 2009, v. 45, n. 3, p. 226

By:

Du Toit, Garry;
Thirangoon, Kamolwan Thira

Publication type:

Article

"Textbook" Columbite in TOPAZ.

Published in:

Gems & Gemology, 2009, v. 45, n. 3, p. 212

By:

Koivula, John I.;
Chadwick, Karen M.

Publication type:

Article

Star and cat's-eye topaz from Brazil.

Published in:

Gems & Gemology, 2008, v. 44, n. 2, p. 182

By:

Hyršl, Jaroslav

Publication type:

Article

COLORING OF TOPAZ BY COATING AND DIFFUSION PROCESSES: AN X-RAY PHOTOEMISSION STUDY OF WHAT HAPPENS BENEATH THE SURFACE.

Published in:

Gems & Gemology, 2008, v. 44, n. 2, p. 148, doi. 10.5741/GEMS.44.2.148

By:

Gabasch, Harald;
Klauser, Frederik;
Bertel, Erminald;
Rauch, Thomas

Publication type:

Article

A blue topaz with 2500+ facets.

Published in:

Gems & Gemology, 2008, v. 44, n. 1, p. 85

By:

Overton, Thomas W.

Publication type:

Article

Gems on the market in Taunggyi, Myanmar, 1990-2007.

Published in:

Gems & Gemology, 2008, v. 44, n. 1, p. 82

By:

Tin Hlaing, U.

Publication type:

Article

Spurious "spiral phantom" in diamond.

Published in:

Gems & Gemology, 2007, v. 43, n. 3, p. 253

By:

Rondeau, Benjamin;
Fritsch, Emmanuel;
Notari, Franck

Publication type:

Article

A new imitation of Imperial topaz.

Published in:

Gems & Gemology, 2007, v. 43, n. 2, p. 179

By:

Macrì, Michele;
Maras, Adriana;
Shen, Andy H.

Publication type:

Article

Cat's-eye topaz from Sri Lanka.

Published in:

Gems & Gemology, 2007, v. 43, n. 1, p. 73

By:

B. M. L.;
Koivula, John I.

Publication type:

Article

Magnificent Jewels in Portugal.

Published in:

Gems & Gemology, 2006, v. 42, n. 3, p. 168

By:

De Carvalho, Rui Galopim

Publication type:

Article

Coated Topaz.

Published in:

Gems & Gemology, 2006, v. 42, n. 3, p. 128

By:

Befi, Riccardo

Publication type:

Article

Study of the Biaxial Gemstones on the Refractometer.

Published in:

Gems & Gemology, 2006, v. 42, n. 3, p. 127

By:

Sturman, Darko B.

Publication type:

Article

The Gel Model for the Formation of Gem-bearing Pockets within Granitic Pegmatites, and Implications for Gem Synthesis.

Published in:

Gems & Gemology, 2006, v. 42, n. 3, p. 110

By:

Taylor, Matthew C.

Publication type:

Article

Geochemical Cycles of Gem-Forming Elements: What It Takes to Make Tourmaline, Beryl, Topaz, Spodumene, and other Pegmatitic Gems.

Published in:

Gems & Gemology, 2006, v. 42, n. 3, p. 108

By:

London, David

Publication type:

Article

Treated-color topaz from Pakistan.

Published in:

Gems & Gemology, 2005, v. 41, n. 1, p. 66

By:

B. M. L.

Publication type:

Article

The Nathrop Domes, Colorado: geochemistry and petrogenesis of a topaz rhyolite.

Published in:

Rocky Mountain Geology, 2013, v. 48, n. 1, p. 1, doi. 10.2113/gsrocky.48.1.1

By:

Wegert, Daniel;
Parker, Don;
Minghua Ren

Publication type:

Article

Topaz in New Hampshire's White Mountains.

Published in:

Rocks & Minerals, 2017, v. 92, n. 6, p. 508, doi. 10.1080/00357529.2017.1362253

By:

Dallaire, Donald;
Nizamoff, James;
York, Marlene

Publication type:

Article

Crystal-Filled Cavities in Granitic Pegmatites: Bursting the Bubble.

Published in:

Rocks & Minerals, 2013, v. 88, n. 6, p. 527, doi. 10.1080/00357529.2013.826090

By:

London, David

Publication type:

Article

A cathodoluminescence-assisted LA-ICP-MS study of topaz from different geological settings.

Published in:

Brazilian Journal of Geology, 2018, v. 48, n. 1, p. 161, doi. 10.1590/2317-4889201820170127

By:

Gauzzi, Teodoro;
Graça, Leonardo Martins

Publication type:

Article

USE OF COMPOSITES OF TOPAZ-GLASS AS TSEE AND TL DOSEMETERS.

Published in:

Radiation Protection Dosimetry, 2006, v. 119, n. 1-4, p. 323, doi. 10.1093/rpd/nci646

By:

de Magalhães, C. M. S.;
Souza, D. N.;
Caldas, L. V. E.

Publication type:

Article

OPTICALLY STIMULATED LUMINESCENCE DOSIMETRY PERFORMANCE OF NATURAL BRAZILIAN TOPAZ EXPOSED TO BETA RADIATION.

Published in:

Radiation Protection Dosimetry, 2006, v. 119, n. 1-4, p. 161, doi. 10.1093/rpd/nci677

By:

Bernal, R.;
Souza, D. N.;
Valerio, M. E. G.;
C. Cruz-Vázquez;
Barboza-Flores, M.

Publication type:

Article

Phase relations of a F-enriched peraluminous granite: an experimental study of the Kymi topaz granite stock, southern Finland.

Published in:

Contributions to Mineralogy & Petrology, 2007, v. 153, n. 3, p. 273, doi. 10.1007/s00410-006-0146-8

By:

Lukkari, S.;
Holtz, F.

Publication type:

Article

Flurotie stability in silicic magmas.

Published in:

Contributions to Mineralogy & Petrology, 2004, v. 147, n. 3, p. 319, doi. 10.1007/s00410-004-0559-1

By:

Scaillet, B.;
Macdonald, R.

Publication type:

Article

Implications from inclusions in topaz for greisenisation and mineralisation in the Hensbarrow...

Published in:

Contributions to Mineralogy & Petrology, 1997, v. 127, n. 1/2, p. 119, doi. 10.1007/s004100050269

By:

Williamson, B.J.;
Stanley, C.J.;
Wilkinson, J. J.

Publication type:

Article

The timing of eclogite facies metamorphism and migmatization in the Orlica–Śnieżnik complex, Bohemian Massif: constraints from a multimethod geochronological study.

Published in:

Journal of Metamorphic Geology, 2009, v. 27, n. 5, p. 385, doi. 10.1111/j.1525-1314.2009.00823.x

By:

BRÖCKER, M.;
KLEMD, R.;
COSCA, M.;
BROCK, W.;
LARIONOV, A. N.;
RODIONOV, N.

Publication type:

Article

Elemental characterization of some Nigerian gemstones: tourmaline, fluorite and topaz by instrumental neutron activation analysis.

Published in:

Journal of Radioanalytical & Nuclear Chemistry, 2013, v. 295, n. 1, p. 801, doi. 10.1007/s10967-012-1954-0

By:

Aigbe, S.;
Ewa, I.;
Ogunleye, P.;
Oladipo, M.

Publication type:

Article

Elemental analysis of topaz from northern areas of Pakistan and assessment of induced radioactivity level after neutron irradiation for color induction.

Published in:

Journal of Radioanalytical & Nuclear Chemistry, 2011, v. 287, n. 3, p. 821, doi. 10.1007/s10967-010-0879-8

By:

Wasim, M.;
Zafar, W.;
Tufail, M.;
Arif, M.;
Daud, M.;
Ahmad, A.

Publication type:

Article

The pirates of the Defensor de Pedro (1828–30) and the sanitisation of a pirate legend.

Published in:

International Journal of Maritime History, 2020, v. 32, n. 4, p. 823, doi. 10.1177/0843871420974039

By:

Craze, Sarah;
Pennell, Richard

Publication type:

Article

Windmill-cut Topaz from Namibia.

Published in:

Journal of Gemmology, 2017, v. 35, n. 8, p. 697

By:

Laurs, Brendan M.

Publication type:

Article

Topaz from Sri Lanka with an Interesting Inclusion.

Published in:

Journal of Gemmology, 2017, v. 35, n. 7, p. 589

By:

Laurs, Brendan M.;
Renfro, Nathan D.

Publication type:

Article

Analysis of the cleaved topaz (001) surface.

Published in:

Analytical & Bioanalytical Chemistry, 2003, v. 376, n. 5, p. 639, doi. 10.1007/s00216-003-1981-3

By:

Struth, B.;
Hofmeister, W.;
Smilgies, D.-M.;
Konovalov, O.

Publication type:

Article

Aluminosilicate ores processed by a fluoride method.

Published in:

Refractories & Industrial Ceramics, 2006, v. 47, n. 3, p. 146, doi. 10.1007/s11148-006-0074-1

By:

D’yachenko, A.;
Andreev, A.;
Buinovskii, A.;
Kraidenko, R.

Publication type:

Article

Topaz-Activated Solid-Phase Sintering of Mullite.

Published in:

Refractories & Industrial Ceramics, 2005, v. 46, n. 2, p. 132, doi. 10.1007/s11148-005-0068-4

By:

Vakalova, T. V.;
Ivanchenkov, A. V.;
Pogrebenkov, V. M.

Publication type:

Article

Kinetics of the solid-phase synthesis of mullite in the presence of topaz.

Published in:

Refractories & Industrial Ceramics, 2005, v. 46, n. 1, p. 49, doi. 10.1007/s11148-005-0048-8

By:

Vakalova, T.;
Ivanchenkov, A.;
Pogrebenkov, V.

Publication type:

Article

Synthesis of mullite from oxides doped with topaz.

Published in:

Refractories & Industrial Ceramics, 2004, v. 45, n. 6, p. 441, doi. 10.1007/s11148-005-0030-5

By:

Vakalova, T.;
Ivanchenkov, A.;
Pogrebenkov, V.;
Alekseev, E.

Publication type:

Article

Effect of topaz on the synthesis of mullite in mixtures of kaolinite and alumina.

Published in:

Refractories & Industrial Ceramics, 2004, v. 45, n. 6, p. 416, doi. 10.1007/s11148-005-0024-3

By:

Vakalova, T.;
Pogrebenkov, V.;
Ivanchenkov, A.;
Alekseev, E.

Publication type:

Article

Synthesis of mullite from topaz, refractory clay, and clay-topaz compositions.

Published in:

Refractories & Industrial Ceramics, 2004, v. 45, n. 5, p. 355, doi. 10.1007/s11148-005-0012-7

By:

Vakalova, T. V.;
Pogrebenkov, V. M.;
Ivanchenkov, A. V.;
Konovalova, O. A.

Publication type:

Article

Molybdenite-tungstenite association in the tungsten-bearing topaz greisen at Vítkov (Krkonoše-Jizera Crystalline Complex, Bohemian Massif): indication of changes in physico-chemical conditions in mineralizing system.

Published in:

Journal of Geosciences, 2015, v. 60, n. 3, p. 149, doi. 10.3190/jgeosci.197

By:

Pašava, Jan;
VESELOVSKÝ, František;
DRÁBEK, Milan;
SVOJTKA, Martin;
POUR, Ondřej;
KLOMÍNSKÝ, Josef;
ŠKODA, Radek;
ĎURIŠOVÁ, Jana;
ACKERMAN, Lukáš;
HALUZOVÁ, Patricie;
HALUZOVÁ, Eva

Publication type:

Article

The crystal structure of waylandite from Wheal Remfry, Cornwall, United Kingdom.

Published in:

Mineralogy & Petrology, 2010, v. 100, n. 3/4, p. 249, doi. 10.1007/s00710-010-0133-7

By:

Mills, Stuart J.;
Kampf, Anthony R.;
Raudsepp, Mati;
Birch, William D.

Publication type:

Article

Fluoride technology for fabrication of mullite articles from quartz-topaz.

Published in:

Glass & Ceramics, 2006, v. 63, n. 11/12, p. 419, doi. 10.1007/s10717-006-0138-1

By:

Buinovskii, A. S.;
D’yachenko, A. N.;
Pogrebenkov, V. M.

Publication type:

Article