 | | Journal (article/letter/editorial) | | were collected for eight grandidierites from Madagascar and Zimbabwe, as well as for Fe(II) and Fe(III)...data) is listed in Table 2. The samples Vohiboly, Nampoana#2, and Marotrana are gemmy single crystals, that...the Fe/Fe + Mg ratio (Table 2). The sample from Ampamatoa was ground coarsely to help separate the purest...electron microprobe analyses]. The samples Sakatelo, Nampoana#1, and Rhodesia are the same as those, studied...in Seifert and Olesch (1977). Both samples from Nampoana di€er highly in composition and color (light blue |  | | Journal (issue) | | from the Russian Far East Grandidierite from Madagascar Editorial Staff Editor-in-Chief Editors, Lab...Jewish Autonomous District. 266 A New Deposit of Gem-Quality Grandidierite in Madagascar Delphine Bruyère...inclusion in quartz • Inclusions in spinel from Madagascar • Sphalerite in topaz • Tourmaline termination...articles including sapphires from Russia, a new Madagascar deposit of the rare gem grandidierite, Vietnamese...occurrence of the rare gem grandidierite in southern Madagascar and provides a gemological characterization of |  | | Journal (issue) | | by L. H. Conklin Postscript: Hessonite with apatite, Mount Avie, Bellecombe area, Aosta Valley, Italy...Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See the article...Zodac, jade expert Louis Zara, Doris Biggs, Francon quarry specialist Don Doell, mineral dealer Hugh Ford...Hodrusa-Hamre (in the Banska Stiavnica mining district) is also the type locality for hodrusite. V INTRODUCTION...historical events before 1920, we will use the older district name of Schemnitz in accordance with the literature |
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