| Registros del 1 al 3 de 3 encontrados |
1.- AN UPDATE ON "PARAIBA" TOURMALINE FROM BRAZIL
GEMOLOGICAL INSTITUTE OF AMERICA; SANTA MONICA, CA; USA; UNITED STATES, 2001
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2.- COPPER TOURMALINE FROM PARAIBA, BRAZIL; REOPENING OF THE MINE, REGIONAL EXPLORATION
GEMOLOGICAL INSTITUTE OF AMERICA; SANTA MONICA, CA; USA; UNITED STATES, 1999
PROCEEDINGS OF THE THIRD INTERNATIONAL GEMOLOGICAL SYMPOSIUM
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3.- THE TOURMALINE OF PARAIBA, BRAZIL
LAPIS INTERNATIONAL; EAST HAMPTON, CT; USA; UNITED STATES, 2002
TOURMALINE; A GEMSTONE SPECTRUM
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