 | | Journal (issue) | | kunzite), 9 cm, from the Urucum mine, Galiléia, Minas Gerais, Brazil. Gus & Jane Eifler collection; Holly Smith...Topaz, 15 cm, from Hematita, Antonio Dias, Minas Gerais, Brazil. Tom Spann photo. (below right) Spinel...Aquamarine, 9 cm, from Corrego São Francisco, Minas Gerais, Brazil. Tom Spann photo. Rhodochrosite on manganite...Almandine-spessartine on albite, 4.9 mm, Poaia pegmatite, Minas Gerais, Brazil. Beth Van Allen photo. 24 Elbaite tourmaline...cm, Pederneira mine, São José da Safira, Minas Gerais, Brazil. Supplement to The Mineralogical Record |  | | Catalog/List | | Styrian Erzberg, Styria, Austria The “Flowers of Iron” as the old name “Flos Ferri” translates, refers...refers to the “flowers” growing from the walls of an Iron mine in Austria that has been worked for centuries... This fine example is notable for the role that iron minerals played in giving it a lovely golden color...spheres of some unidentified mineral, presumably an iron or manganese oxide. The usual fracturing around... 53021 MANGANITE Penokee Group, Ironwood, Gogebic Iron Range, Gogebic Co., Michigan, USA Very, very rarely |  | | Journal (issue) | | Moore Recent discoveries of hydroxylherderite in Minas Gerais ..............................................dissolved iron from pyrite. Surface dilution soon reduces the acidity, causing large quantities of iron to precipitate...precipitate out of solution as yelloworange iron hydroxide. Mine-polluted water almost always carries...Ilha do Fundao 21.910 Rio de Janeiro, Brazil INTRODUCTION Brazil is world famous for its several occurrences...prized by collectors. These occurrences, all in Minas Gerais, are described below along with the specimens |  | | Catalog/List | | 7 Meteorites 72004 Gebel Kamil Meteorite Slice Iron (ungrouped) East Uweinat Desert, Egypt The Gebel...Starting Bid: $250 72005 Odessa Meteorite End Cut Iron, IAB-MG Odessa, Ector County, Texas, USA Another...Bid: $2,500 72006 Campo del Cielo Meteorite Slice Iron, IAB-MG Chaco, Argentina Found: 1576 This small...are also called, are elongated crystals of nickel-iron consisting of interwoven ribbons of Taenite and...material only found in meteorites and not on Earth. The iron composition of this Campo del Cielo showcases the |  | | Catalog/List | | will fit into their crystal structure. When the Iron that is normally present in pegmatite pockets is...Compared to the output of place such as Afghanistan or Brazil, the production from Elba is relatively small....59 BRAZIL 73060 TOPAZ var. IMPERIAL TOPAZ Ouro Preto, Iron Quadrangle, Minas Gerais, Brazil This specimen...var. ROSE QUARTZ Galiléia, Doce Valley, Minas Gerais, Brazil Here is a cockscomb arrangement of Rose...Itatiaia mine, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil This rather sizable, pale blue-green Aquamarine |  | | Journal (issue) | | Rossman The Indaia Sapphire Deposits of Minas Gerais, Brazil David S. Epstein, Warren Brennan, and Tulio...located in eastern Bolivia, near the border with Brazil [figure 2). The Anahi mine produces ametrine crystals...1986) described similar material purportedly from Brazil. There are also some accounts that the deposit...Anahi area and on importing the gem material into Brazil, early reports identified the source as being in...virtually impossible for gems mined in Bolivia to enter Brazil legally. To circumvent these restrictions, the |  | | Catalog/List | | at a minimum. The specimen was collected in the Iron mines on the Island of Elba, possibly around 1790...stunning and pristine condition for a chunk of lowly Iron ore and comes with a custom acrylic base. Overall...listing a specimen as being from “Nevada” or “Minas Gerais.” The situation has not markedly improved with...find in spite of the fact that many, very large, Iron ore bodies are crawling with the stuff. Even more...Surprisingly, this mine was operated for Talc, not Iron ore. Besides the overall cubic form there are tetrahexahedral |  | | Journal (issue) | | Morro da Mina mine, Conselheiro Lafaiete, Minas Gerais, Brazil . . . . . . . . . . . . . . . . . . . ....2000 and the Hyman Savanar Trophy in 2005 for a morganite-and-quartz specimen from the Cryo-Genie mine in...of mines, wrote an article for the mining journal Iron Age in June 1876, extolling its virtues. “Since...collector Albert E. Foote (1846 1895), probably via the Iron Age article. Foote, who soon thereafter became one...Cove in Arkansas (in 1875), and from the Minnesota iron range, ostensibly for teaching purposes but he built |  | | Journal (issue) | | iridescence observed in “rainbow” hematite from Minas Gerais, Brazil. 40 DNA Techniques Applied to the Identification...iridescence in metamorphic “rainbow” hematite from Brazil. The authors use electron microscopy, atomic force...colored by GR1 defects have been alluvial deposits in Brazil, Guyana, Venezuela, Zimbabwe, the Central African...never graded by GIA), and the 5.03 ct Aurora Green (Brazil), which sold at auction in 2016 for more than US...America has yielded a number of green diamonds from Brazil and Guyana (figure 7). Most show extensive surficial |  | | Catalog/List | | pink Fluorite attempting to pass itself off as a Morganite. Savvy collectors will not be fooled. Despite...across) tabular crystal is a spot-on version of gem Morganite pink. The matrix itself is exceptional in that...Conselheiro Lafaiete, Belo Horizonte, Minas Gerais, Southeast Region, Brazil Bright, watermelon red is the dominant...do Norte, Galiléia, Doce Valley, Minas Gerais, Southeast Region, Brazil Of all the various colors that...scepter habits. So far, an out-of-the-way corner of Brazil is the only source for these rarely seen wonders |
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