 | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais...(Camara Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo...pedras preciosas do Brasil Bibliography 1. Gemology 2. Geology 3. Minerals - Brazil 4. Minerals- Classification... Mineralogy 6. Mineralogy - Brazil - History 7. Precious stones - Brazil I. Bartorelli, Andrea. II. Title |  | | Report (issue) | | kind of jewelry and stones were favored by well-to-do customers four centuries ago. Sir Robert Eric Mortimer...influence on the world amethyst market emerged in Brazil (see page 66), where the discovery of rich deposits...foreigners (non Portuguese) doing business in Brazil influenced the availability, and therefore the...362-carat cushion-cut gem from the Jacobea Mine, Bahia, Brazil, that is housed in the Smithsonian. Another, a...rough, specimen 9.8 cm tall Amatitlan, Zumpango del Rio, Guerrero, Mexico Canadian Museum of Nature specimens |  | | Report (issue) | | Contents 4 Map: Notable Opal Localities 50 BY BRUCE PAUL GABER 6 The Opal Enigma: Science, History...and Pins Afire: Play of Color in Opal BY MAX WEIBEL Sparkling Opal in Ancient Bones: Precious Relics...vibrant with opal pattern and color. In this extreme close-up of a Lightning Ridge black opal, the field...approximately 3 mm wide. Opal courtesy Jenni Brammall BY ALEX RITCHIE 52 An Opal Glossary of Terms BY...BY SI AND ANN FRAZIER BY PETER HUBER 64 Opal from Mexico: Unsurpassed Fire BY JURGEN SCHUTZ 18 Perfect |  | | Book | | incompletely characterized hydromicas-these nebulous species do not form visible crystals and in themselves are never...Watson, Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized...Remedios mine, although generally Taxco ilvaite crystals do not exceed 6 mm (Des Revieres and Beals, 20 l l )...Mcgaw, per'>onalcommunication, 2007). 4 ITALY Rio Marina area, Island of Elba, Tuscany. Elba (Latin:...just to the south of the Rio Marina iron mine. On the coast near Torre di Rio, near the clock tower for |  | | Catalog/List | | QUARTZ CLUSTER ON LIT FLUORITE BASE Stone source: Brazil & Argentina This cluster of Brazilian Quartz crystals...Estimate: $2,200–$2,600 41002 LARGE QUARTZ CLUSTER Brazil This large Quartz cluster consists of numerous...GROUP Novo Horizonte, Bahia, Northeast Region, Brazil Two large, water-clear prisms of Quartz punctuated... 41015 MATCHED PAIR OF AMETHYST GEODES Stone source: Brazil This deep-purple, matched pair of Amethyst cathedrals...Uruguayan material is known for – but this pair is from Brazil! Excellent color and large crystal size is their |
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