| Registros del 1 al 10 de 67 encontrados |
1.- "PIEDRAS GEODES" Y NODULOS SILURICOS EN EL APARATO PARA LA HISTORIA NATURAL ESPAÑOLA (1754) DE JOSE TORRUBIA
1997
Ver registro
2.- "Skunk" calcite; mineral paragenesis in an amethyst geode from Ametista, Rio Grande do Sul, Brazil
Mineralogical Record; Tucson, AZ; USA; United States, 2009
Ver registro
3.- A FLUID INCLUSION STUDY OF GEODES FROM RIO GRANDE DO SUL, BRAZIL; IMPLICATIONS FOR THE ORIGIN OF QUARTZ GEODES
VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY; BLACKSBURG, VA; USA; UNITED STATES, 1998
PACROFI VII; PAN-AMERICAN CONFERENCE ON RESEARCH ON FLUID INCLUSIONS; PROGRAM AND ABSTRACTS
Ver registro
4.- A UNIQUE OCCURRENCE OF SELENITE IN GEODES OF BASALTS FROM RIO GRANDE DO SUL STATE, BRAZIL
[INTERNATIONAL GEOLOGICAL CONGRESS]; [LOCATION VARIES]; III; INTERNATIONAL, 2000
BRAZIL 2000; 31ST INTERNATIONAL GEOLOGICAL CONGRESS; ABSTRACTS VOLUME
Ver registro
5.- AGATE-GEODE DEPOSIT 3D MODELLING IN THE SALTO DO JACUI MINING DISTRICT; RS, BRAZIL
[INTERNATIONAL GEOLOGICAL CONGRESS]; [LOCATION VARIES]; III; INTERNATIONAL, 2000
BRAZIL 2000; 31ST INTERNATIONAL GEOLOGICAL CONGRESS; ABSTRACT VOLUME
Ver registro
6.- Amethyst geodes in the basaltic flow from Triz Quarry at Ametista do Sul (Rio Grande do Sul, Brazil); magmatic source of silica for the amethyst crystallizations
Cambridge University Press; London; GBR; United Kingdom, 2007
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7.- Amethyst-bearing lava flows in the Parana Basin (Rio Grande do Sul, Brazil); cooling, vesiculation and formation of the geodic cavities
Cambridge University Press; London; GBR; United Kingdom, 2007
Ver registro
8.- Basal (C) face quartz, its history and occurrences
New Mexico Bureau of Geology and Mineral Resources; Socorro, NM; USA; United States, 2006
The twenty-seventh annual New Mexico mineral symposium
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9.- Blue "opal" (or cristobalite?) from Rio Grande do Sul, Brazil
Gemological Institute of America; Santa Monica, CA; USA; United States, 2011
Proceedings of the Fifth international gemological symposium
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10.- Brazil's amazing agates; quantity and quality make it the world's best source
Miller Magazines; Ventura, CA; USA; United States, 2005
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