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- The Conquest of New Granada, Being the Life of Gonzalo Jimenez De
- Colombian Emeralds Are Unique in That They Exhibit a Complete Lack of Iron
- Las Esmeraldas De Colombia En Su Ámbito Geologicó
- PART I (1880–1925): from REDISCOVERY to EARLY PRODUCTION Karl Schmetzer, Gérard Martayan, and Jose Guillermo Ortiz
- Ministerio De Minas Y Energia
- Pyrite Components in Colombian Emeralds
- The Structure of an Inverted Back-Arc Rift: Insights from a Transect Across the Eastern Cordillera of Colombia Near Bogota, in C
- “The New World's Atlantic: Recent Orientations from the Americas
- The Emerald Industry in Colombia Carlos Miguel Barber Kuri, Universidad Anáhuac México Sur, Mexico Karla Rosa Dávila Ramírez, Universidad Anáhuac México Sur, Mexico
- Colombian Emerald Reserves Inferred Leached Beryllium of Their Host Black
- Facultad Deficiencias De La Educación
- Not Even Past." William Faulkner NOT EVEN PAST
- Understanding Gems Visit the Journal of Gemmology / 2013 / Volume 33 / No
- Universidad Michoacana De San Nicolás De Hidalgo
- EMERALDS of COLOMBIA by Peter C
- In Rainier's Footsteps: Journey to the Chivor Emerald Mine
- The Coscuez Mine: a Major Source of Colombian Emeralds
- Technical Report on the Coscuez Emerald Mine, Boyacá Department, Colombia for Fura Gems Inc
- “Gold and Emerald Deposits from Middle Cauca Belt and Muzo Region, Northern Andes, Colombia”
- Colombia Technical Report
- EMERALD a Star That Vibrates
- Time-Pressure and Temperature Constraints on the Formation of Colombian Emeralds: an 4Oar/39Arlaser Microprobe and Fluid Inclusion Study"
- Summer 2016 Gems & Gemology