Registros del 1 al 10 de 499 encontrados |
![](./images/clear.gif) 1.- "Bahia Gold" golden rutilated quartz, Serra da Mangabeira, Novo Horizonte, Bahia, Brazil
Gemological Institute of America; Santa Monica, CA; USA; United States, 2006
Proceedings of the 4th international gemological symposium and GIA gemological research conference
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![](./images/clear.gif) 2.- "DIAMOND TESTERS" O COMPROBADORES DE DIAMANTES;
1985
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![](./images/clear.gif) 3.- "Paraiba" tourmaline and similar looking materials
Gemmological Association of Great Britain; Society of Jewellery Historians; London; GBR; United King, 2008
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![](./images/clear.gif) 4.- "Paraiba"-type copper-bearing tourmaline from Brazil, Nigeria, and Mozambique; chemical fingerprinting by LA-ICP-MS
Gemological Institute of America; Santa Monica, CA; USA; United States, 2006
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![](./images/clear.gif) 5.- (SUPER 40) AR/ (SUPER 39) AR AND K-AR GEOCHRONOLOGICAL EVIDENCE FOR TWO PERIODS ( APPROXIMATELY 2 GA AND 650 TO 500 MA) OF EMERALD FORMATION IN BRAZIL
WINSTON & SON; SILVER SPRING, MD; USA; UNITED STATES, 1997
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![](./images/clear.gif) 6.- ¿DE QUE ESTA HECHO EL ARTE? UNA INTRODUCCION AL CONOCIMIENTO DE LOS MATERIALES, CON ENFASIS EN AQUELLOS DE ORIGEN GEOLOGICO
INSTITUTO GEOLOGICO Y MINERO DE ESPAÑA;MADRID;ESP, 2008
ACTAS DEL XV SIMPOSIO SOBRE ENSEÑANZA DE LA GEOLOGIA
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![](./images/clear.gif) 7.- 500 YEARS OF MINING IN BRAZIL; A BRIEF REVIEW
ELSEVIER SCIENCE; OXFORD; GBR; UNITED KINGDOM, 2001
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![](./images/clear.gif) 8.- A collection of diamond crystals with notes on the science, history, and worldwide localities of diamonds
Mineralogical Record; Tucson, AZ; USA; United States, 2004
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![](./images/clear.gif) 9.- A COMBINED MAGNETIC RESONANCE AND GAMMA-IRRADIATION STUDY OF SOME GREEN BERYLS
GEMMOLOGICAL ASSOCIATION OF AUSTRALIA; SYDNEY, N.S.W.; AUS; AUSTRALIA, 1994
BILL HICKS MEMORIAL ISSUE; PART 1
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![](./images/clear.gif) 10.- A FABRICACAO DE GEMAS SINTETICAS E DE PRODUTOS ARTIFICIAIS USADOS EM GEMOLOGIA
1984
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