| Registros del 1 al 5 de 5 encontrados |
1.- ACTUALIDADES GEOLOGICAS
1953
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2.- Gemstones from Mexico; a review
Gemological Institute of America; Santa Monica, CA; USA; United States, 2011
Proceedings of the Fifth international gemological symposium
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3.- Mexico's Camino Real mines; Part II, This road leads to silver riches
Miller Magazines; Ventura, CA; USA; United States, 2005
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4.- SOME NEW UNUSUAL CAT'S-EYES AND STAR STONES
GEMMOLOGICAL ASSOCIATION AND GEM TESTING LABORATORY OF GREAT BRITAIN; LONDON; GBR; UNITED KINGDOM, 2001
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5.- The feldspar group; Part II, Plagioclase feldspars form gems and nice crystals
Miller Magazines; Ventura, CA; USA; United States, 2005
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