Works matching DE "TOPAZ"

Results: 77

Color Dependence on Thickness in Topaz Crystal from Brazil.

Published in:

Advances in Condensed Matter Physics, 2012, p. 1, doi. 10.1155/2012/873804

By:

Bonventi, Waldemar;
Isotani, Sadao;
Pereira Albuquerque, Antonio Roberto

Publication type:

Article

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

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

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

Treated-color topaz from Pakistan.

Published in:

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

By:

B. M. L.

Publication type:

Article

Geochemical Specifics of Highly Differentiated Topaz-Bearing Granite of the Salmi Batholith.

Published in:

Doklady Earth Sciences, 2018, v. 483, n. 2, p. 1542, doi. 10.1134/S1028334X18120140

By:

Konyshev, A. A.;
Chevychelov, V. Yu.;
Shapovalov, Yu. B.

Publication type:

Article

Geochemical Evolution and Ore-Bearing Metasomatic Rocks of the Baga-Gazryn Multiphase Massif of Rare-Metal Li-F Granites (Mongolia).

Published in:

Doklady Earth Sciences, 2018, v. 483, n. 1, p. 1468, doi. 10.1134/S1028334X18110168

By:

Antipin, V. S.;
Kuzmin, M. I.;
Kousch, L. V.;
Perepelov, A. B.;
Odgerel, 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

The effect of mineralizing additives on synthesis of ceramic pigments based on natural wollastonite.

Published in:

Glass & Ceramics, 2006, v. 63, n. 1/2, p. 22, doi. 10.1007/s10717-006-0026-8

By:

Sedel’nikova, M.;
Pogrebenkov, V.

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 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

The pink topaz-bearing calcite, quartz, white mica veins from Ghundao Hill (North West Frontier Province, Pakistan): K/Ar age, stable isotope and REE data.

Published in:

Mineralogy & Petrology, 2007, v. 89, n. 1/2, p. 31, doi. 10.1007/s00710-006-0136-6

By:

Morteani, G.;
Voropaev, A.

Publication type:

Article

Phosphorus-rich topaz from fractionated granites (Podlesí, Czech Republic).

Published in:

Mineralogy & Petrology, 2004, v. 81, n. 3/4, p. 235, doi. 10.1007/s00710-004-0036-6

By:

Breiter, K.;
Kronz, A.

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

Geochemical correlation between dykes of topaz granites and elvans (Kokchetav Block, Northern Kazakhstan).

Published in:

Doklady Earth Sciences, 2013, v. 448, n. 1, p. 58, doi. 10.1134/S1028334X13010054

By:

Letnikov, F.;
Levin, A.

Publication type:

Article

A New Find of Topaz in the Strzegom Granites, Poland.

Published in:

Rocks & Minerals, 2011, v. 86, n. 4, p. 338, doi. 10.1080/00357529.2011.584825

By:

Praszkier, Tomasz

Publication type:

Article

Mines and Minerals of the Southern California Pegmatite Province.

Published in:

Rocks & Minerals, 2011, v. 86, n. 1, p. 14, doi. 10.1080/00357529.2011.537167

By:

Fisher, Jesse

Publication type:

Article

Tanakamiyama: A Classic Japanese Pegmatite District.

Published in:

Rocks & Minerals, 2009, v. 84, n. 6, p. 520, doi. 10.1080/00357520903285217

By:

Rakovan, John;
Ono, Mieko;
Francis, CarlA.

Publication type:

Article

Scovil FAVORITES 2005.

Published in:

Rocks & Minerals, 2006, v. 81, n. 2, p. 124, doi. 10.3200/RMIN.81.2.124-127

By:

Scovil, Jeffrey A.

Publication type:

Article

PIKES PEAK Topaz.

Published in:

2001

By:

Thompson, Jack D.

Publication type:

Interview

Pikes Peak topaz.

Published in:

Rocks & Minerals, 1996, v. 71, n. 5, p. 320, doi. 10.1080/00357529.1996.11761551

By:

Alexander, John H.

Publication type:

Article

Colorado topaz.

Published in:

Rocks & Minerals, 1996, v. 71, n. 5, p. 306, doi. 10.1080/00357529.1996.11761550

By:

Modreski, Peter J.;
Michalski, Thomas C.

Publication type:

Article

Topaz: A mineralogical review.

Published in:

Rocks & Minerals, 1995, v. 70, n. 1, p. 16, doi. 10.1080/00357529.1995.9926593

By:

Wise, Michael A.

Publication type:

Article

Pre-Eruptive Conditions of the Hideaway Park Topaz Rhyolite: Insights into Metal Source and Evolution of Magma Parental to the Henderson Porphyry Molybdenum Deposit, Colorado.

Published in:

Journal of Petrology, 2015, v. 56, n. 4, p. 645, doi. 10.1093/petrology/egv010

By:

Mercer, Celestine N.;
Hofstra, Albert H.;
Todorov, Todor I.;
Roberge, Julie;
Burgisser, Alain;
Adams, David T.;
Cosca, Michael

Publication type:

Article

F/OH ratio in a rare fluorine-poor blue topaz from Padre Paraíso (Minas Gerais, Brazil) to unravel topaz's ambient of formation.

Published in:

Scientific Reports, 2021, v. 11, n. 1, p. 1, doi. 10.1038/s41598-021-82045-2

By:

Precisvalle, N.;
Martucci, A.;
Gigli, L.;
Plaisier, J. R.;
Hansen, T. C.;
Nobre, A. G.;
Bonadiman, C.

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

Effects of fluorine content on the elastic behavior of topaz [Al2SiO4(F,OH)2].

Published in:

American Mineralogist, 2017, v. 102, n. 2, p. 347, doi. 10.2138/am-2017-5668

By:

ULIAN, GIANFRANCO;
VALDRÈ, GIOVANNI

Publication type:

Article