 | | Journal (article/letter/editorial) | | Geociências, Universidade de São Paulo, Rua do Lago, 562, 05508-080 – São Paulo, SP, Brazil. *e-mail: datencio@usp...Esmeralda, 534 – Prado, 30410-080 - Belo Horizonte, MG, Brazil. INTRODUCTION The three currently recognized members...roscherite-group minerals include the Sapucaia mine, Lavra do Ênio, Alto Serra Branca, the Córrego Frio pegmatite...occurrences: the Pomarolli farm, Lavra do Telírio, and São Geraldo do Baixio. We also note the existence of a...arrojadite and serrabrancaite. Lavra do Criminoso, Água Boa, Minas Gerais Unanalyzed “roscherite” occurs as |  | | Journal (issue) | | SEPTEMBER–OCTOBER 2019 Articles The Golconda District, Minas Gerais, Brazil ..........................................TOURMALINE, 11.9 cm, from the Golconda I mine, Minas Gerais, Brazil Brice Gobin (Mineral Art) and Emanuele Marini...China, South Africa, Namibia, Chile, Peru, Bolivia, Brazil and Mexico. His first exchange of specimens with...September–October, 2019 The Golconda District Minas Gerais, Brazil Carlos Cornejo1 Andrea Bartorelli2 Wendell...in the 1990s, beautiful blue, purple and pink fluorapatite, the world’s finest bertrandite crystals and |  | | Journal (issue) | | The Mineralogical Record, Inc. and its employees do not endorse, warrant or guarantee the validity, authenticity... Quartz, 14.5 cm, from the São Geraldo do Baixio, Minas Gerais, Brazil. Calcite, 11.3 cm, from Wenshan...(left) Tantalite-(Fe), 7 cm, from Galileia, Minas Gerais, Brazil. Jeff Scovil photo. Supplement to the Mineralogical...cm, from the Xanda mine, Virgem da Lapa, Minas Gerais, Brazil. Jeff Scovil photo. Pyromorphite, 10 cm...from Lavra da Ilha, near Taquaral, Itinga, Minas Gerais, Brazil. Jeff Scovil photo. Cerussite pseudomorphs |  | | Journal (issue) | | Ferruginha district, Conselheiro Pena, Minas Gerais, Brazil . . . . . . . . . . . . . ....handicrafty fun of it. People enjoyed (and still do enjoy) finding raw material for free while out rooting...in common with them. The fact is, however, that we do share some common ground besides the simple appreciation...collecting gemstones simply because we cannot afford to do justice to two fields at the same time, but other...box” for thumbnails. Anyone who wants to join can do so by contacting the association’s founder, Larry |  | | Journal (issue) | | in any way. The thought that comes to mind has to do with the plasticity of agates in a confined space...Spot”, where they’d camp out, surface collect, and do some light hand digging. Throughout the years, they...point in his life when he realized that he couldn’t do the things he did when he was younger. This realization...we need to do is to rip it down. The veins are (relatively) easy to get out. At times, we do come across...need. The basalt was fractured, so all we needed to do was rip it down with the excavator bucket. The mornings |  | | Catalog/List | | other lots I will need to use a separate bid sheet. Do you want to receive an email, text message, or fax...cut bid). Any podium, fax, phone or mail bids that do not conform to a full or half increment will be rounded...of which begs the question: “And just how did it do that?” Answering that question is not a prerequisite...[Note to all owners of Navajún Pyrites: Please - Do not wash these! The clays in the marl matrix will...invariably without crystal form. Black + Amorphous = DNC (Do Not Collect). Since part of that rule does not apply |  | | Journal (volume) | | GM74 Boron minerals, geochemistry and isotopes: What do they tell us about geologic processes?.............between 6.8-8.6, SS below 5.0 mg/l, BOD below 3.0 mg/l, DO over 7.5mg/l, total N below 0.5mg/l, and total P...minerals. Processing conditions during injection molding do affect the crystal structure and the crystallinity...Myanmar Emeralds from the Piteiras mine, Minas Gerais State, Brazil: genetic implications from fluid inclusion...Piteiras mine in Itabira is located in the Minas Gerais State, Brazil and produces gem quality emeralds. Ultramafic |
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São Geraldo do Baixio, Minas Gerais, Brazil