 | | Report (issue) | | the Marin site shows several fine examples of grandidierite, known in significant specimens only from vaguely...pegmatite localities in Tuléar Province, southern Madagascar. A couple of dealers had specimens at the 2016...Tucson, are said to have come from somewhere in the Anosy region of Tuléar; they are miniatures and thumbnails...thumbnails showing fairly sharp, bladed grandidierite crystals in open vugs, and also loose single crystals...this lot represents a record for quality in grandidierite, a rare Mg-Al borate-silicate first described |  | | Journal (issue) | | 2 to 3 cm are found mostly in Italy, Iran and Madagascar. Cut gems are generally 1 carat, and fine demantoids...1972). Demantoid garnets from Antetezambato in Madagascar, however, do not contain Cr3+, and their color...SKARNS Val Malenco (Italy) MM-HM Antetezambato (Madagascar) M-HM Alkaline Ambato granitoid Alpine ophiolites...at Antetezambato, Ambato peninsula in northern Madagascar (Mocquet et al., 2009), and this has since formed...cavity from the Antetezambato skarn deposit, Madagascar, sample 3.9x2.6 cm. Collection Polychrom France |  | | Journal (issue) | | Sapphires from the Russian Far East Grandidierite from Madagascar Editorial Staff Editor-in-Chief Editors... 266 A New Deposit of Gem-Quality Grandidierite in Madagascar Delphine Bruyère, Claude Delor, Julien...Reviews the properties of exceptionally pure grandidierite from a new source. pg. 253 276 Peridot from...inclusion in quartz • Inclusions in spinel from Madagascar • Sphalerite in topaz • Tourmaline termination...sapphires from Russia, a new Madagascar deposit of the rare gem grandidierite, Vietnamese peridot, and Indonesian |  | | Journal (issue) | | mine, Tasmania. (5) Andradite, Antetezambato, Madagascar. (6) Calcite, Mashamba West mine, Congo Republic...from Antetezambato, Ambanja, Antsiranana Region, Madagascar. Carolyn Manchester collection; Jeff Scovil photo...Gold 87, 105 Görgeyite 67 Goshenite 74, 134 Grandidierite 106 Gratonite 115 Grossular 109, 141 Gypsum...Vakinankaratra Region, Antananarivo Province, Madagascar. Jeff Scovil photo. Figure 15. Fluorcalciomicrolite...Ambatofinandrahana District, Fianarantsoa Province, Madagascar. Ex Brian Kosnar, ex Irv Brown collection; Jeff |  | | Journal (issue) | | locations all over the world, notably in Zambia, Madagascar, Sri Lanka, USA, Mexico, Namibia, the Ural Mountains...Figure 15. Grandidierite, 1.8 cm, from the Vohibola deposit, Behara, Anosy Region, Madagascar. Christophe...thumbnail-size crystals of grandidierite from the Vohibola phlogopite deposit, Behara, Anosy Region (formerly Toliara...Toliara Province), Madagascar. These crystals are bright blue-green and partially gemmy, and they show...prismatic grandidierite crystals to 2.5 cm, some terminated, on matrix. Grandidierite from Madagascar has been |  | | Journal (issue) | | (khyberminerals .com), being a specialist in Madagascar minerals, usually has something new from that...yellow. A much more surprising new import from Madagascar consists of about 25 loose fragments-and some...subhedral crystals--0f translucent bluish green grandidierite. Jordi Fabre of Fabre Minerals had these, but...own room at the InnSuites, had some faceted grandidierite gemstones, and he said that the raw material...which intrude uraniferous skarns in southern Madagascar, inland from the coastal town of Fort Dauphin |  | | Journal (issue) | | kilometers to the west; and there’s “Rubellite in Madagascar” (Federico Pezzotta), with a gratifyingly detailed...there was a surpassingly fine celestine from Madagascar. Yes, these open geodes with glassy blue, gemmy...remarkable, surely. It is a loose crystal of grandidierite from Tranomaro commune, 379 Figure 28. Corundum...specimen; Christi Cramer photo. Amboasary, Anosy, Tulear, Madagascar, with sharp termination faces and a lovely...report in May–June 2019), the crystals of Madagascar grandidierite brought in by various dealers have been | | | Journal (issue) | | kilometers to the west; and there's "Rubellite in Madagascar" (Federico Pezzotta), with a gratifyingly detailed...there was a surpassingly fine celestine from Madagascar. Yes, these open geodes with glassy blue, gemmy...remarkable, surely. It is a loose crystal of grandidierite from Tranomaro commune, 379 Figure 28. Corundum...specimen; Christi Cramer photo. Arnboasary, Anosy, Tulear, Madagascar, with sharp termination faces and a lovely...report in May-June 2019), the crystals of Madagascar grandidierite brought in by various dealers have been |  | | Journal (issue) | | photo. Rutile, 8.3 cm, from Ambatofinandrahana, Madagascar. Jeff Scovil photo. Supplement to The Mineralogical...photo. Grandidierite, 2.9 cm, from the Vohibola phlogopite deposit, Behara, Tranomoro Commune, Anosy region...region, Amboasary district, Tulear Province, Madagascar. Tom Spann photo. Bismutotantalite, 2.6 cm, from... Antsentsindrano, Anosiarivo Manapa, Betafo, Madagascar. This specimen is illustrated in the original |  | | Journal (issue) | | locality, the Sakavalana mine, Ambatofinandrahana, Madagascar. Kiyoshi Kiikuni photo and specimen; current... 1.5 cm, from the Betroka district, Toliara, Madagascar. Kiyoshi Kiikuni photo and specimen, now in a... Figure 27. Grandidierite, 2.3 cm, from the Tranomaro Commune, Amboasary district, Anosy region, Tulear...Tulear Province, Madagascar. Kiyoshi Kiikuni photo and specimen, now in the Kyle Kevorkian collection. |  | | Journal (issue) | | miniatures of the very rare grandidierite from the Vohibola area, Amboasary, Anosy (in the former province...province of Tulear), Madagascar—brought to the InnSuites by Jochen Hintze of Jentsch Minerals & Rough Stones...(jhintze@jentsch-mineralien.com). Last year’s grandidierite specimens from Madagascar (see the 2016 Tucson Show report...matrix, 5 cm, from Beraketa, Tulear Province, Madagascar. Laurent Thomas (Polychrom Minerals) specimen;...Kiyoshi Kiikuni photo. Figure 27. Blue-green grandidierite crystal with black dravite crystals, 4.9 cm |  | | Journal (issue) | | 2016. Federico Picciani photo. Figure 13. Grandidierite crystal, 3.2 cm, from an unnamed prospect in...Tranomaro-Maromby area, Amboasary District, Anosy Region, Tuléar Province, Madagascar. Mim #1999, mined in 2015 and |  | | Book (volume) | | Vakinankaratra Region, Antananarivo Province, Madagascar. Description: Grey grains from the association...Humboldtine Fe2+C2O4·2H2O Locality: Southern Madagascar. Description: Yellow crystals on dinosaur coprolite...Bity Mt., Manandona Valley, Antsirabe district, Madagascar. Description: Grey prismatic crystals from the...Mg)12O19 Locality: Elsiva, Fort Dauphin region, Madagascar (type locality). Description: Brown platy crystal...commune, Amboasary District, Anosy region, Tuléar Province, Madagascar. Description: Blue-grey crystal |
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Vohibola phlogopite deposit, Behara, Amboasary Sud District, Anosy, Madagascar