 | | Journal (article/letter/editorial) | | Volume 93, pages 263–269, 2008 Why is amazonitic K-feldspar an earmark of NYF-type granitic pegmatites? Clues...Clues from hybrid pegmatites in Madagascar Robert F. Martin,1,* Caterina De Vito,2 and Federico Pezzotta3...Italy Abstract The presence of amazonitic K-rich feldspar is considered an earmark of evolved granitic...type. Elements of an explanation of the “NYF pegmatite-amazonite” connection emerged in a study of the...granitic pegmatite in Madagascar. The NYF assemblages there and at the Sakavalana and Anjahamiary pegmatites |  | | Report (issue) | | The Natural History Museum of Milan and its Madagascar Collection The Museo Civico di Storia Naturale... the museum began paleontologic fieldwork in Madagascar (upper Permian fauna and Jurassic and Cretaceous...fieldwork in Madagascar in 1996 in collaboration with other institu tions in Madagascar, Italy, and the...Pezzotta has spent a total of twenty nine months in Madagascar making geological-mineralogical surveys. In collaboration...both classic and new minerals and gemstones from Madagascar opened at the Natural History Museum in Milan |  | | Journal (issue) | | Session with former Secretary of State Madeleine K. Albright True Knots By My Way Jewelry Co. Inc. Hotel...Opportunities and Danger: The World in 2006 Madeleine K. Albright 7 Transitions and Traditions Maurice Tempelsman...from Brazil, 8.51 ct Sri Lankan spinel, 13.00 ct Madagascar sphene; (bottom row)— 9.05 ct Sri Lankan “padparadscha”...Symposium GEMS & GEMOLOGY FALL 2006 1 By Madeleine K. Albright Former U.S. Secretary of State Founder,...feeling devious—a spider complete with web. Madeleine K. Albright served as the 64th secretary of state of |  | | Journal (issue) | | 55 75 Thin to medium Thin Faceted None VS1 K Strong blue Strong blue None 23 0.72 36.5 17...diamond, observer, or light source moves (s p a r k l e); and the relative size, arrangement, and contrast...au/ideal-scope.asp [accessed June 22, 2004]. Inoue K. (1999) Quantification and visualization of diamond...html [accessed Aug. 23, 2004]. Lawless H., Chapman K., Lubran M., Yang H. (2003) FS410: Sensory evaluation...the presence of hydrogen (see, e.g., E. Fritsch and K. Scarratt, “Natural-color nonconductive gray-to-blue |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...massive calcite. or, rarely, still attached to the feldspar/mica walls of the dike (www.davidkjoyceminerals...of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning...testing to be hematite. Zagi [Zegi] Mountain, Warsak district, North West Frontier Province. Surface diggings...to 6 cm (2005: 120). Los Remedios mine, Taxco district, Taxco, Guerrero. Ilvaite occurs in the wallrock |
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