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Minas Gerais, Brazil

This page kindly sponsored by Norman King
Lavra do Alemão, Françisco Dumont, Minas Gerais

Minas Gerais, Brazil
Lavra do Alemão, Françisco Dumont, Minas Gerais

Minas Gerais, Brazil
Lavra do Alemão, Françisco Dumont, Minas Gerais

Minas Gerais, Brazil
 


Minas Gerais is a state in Brazil and its name translated into English means General Mines. Many of the localities and photos here on Mindat are for specimens that have come from several rather distinct geological settings in the state. Probably the best known of these are the pegmatite minerals like tourmaline, beryl, quartz etc that come from the pegmatites in the north west granitic region of the state and whose center, business wise if not geologically is the town of Governador Valadares.
Another prolific producer of specimens are the quartz specimens that come from the sandstone formations in the northwest part of Minas Gerais. Their sale and distribution is centered in the town of Corinto, but there are many little towns in the sandstone region of the state that have quartz producing localities near them. Though there are many varieties of quartz from these sandstone deposits, they are usually sufficiently different from those produced by the granite pegmatites to the east that it is not hard to tell them apart. In this area is also the old colonial town of Diamantina that for perhaps 200 years was the center of diamond and gold production in Brazil.
In the southern part of the state is a big iron mining region that has produced some spectacular crystal specimens of hematite and countless tons off massive lapidary grade hematite. Though it would be possible for some of the mines to still produce lapidary grade hematite they don't want to sell in quantities of less than trains of 100 carloads of hematite. In Ouro Preto (black gold), the old colonial town where the School of Mines is located can be found dealers selling specimens of Imperial Topaz from deposits of that mineral near the town. Also near by is the famous gold mine at Nova Lima that is well known to collectors for its find specimens of siderite, pink apatite and other minerals. All in all the state is well named.
[Rock Currier 2010]

Mineral List

Mineral list contains entries from the region specified including sub-localities

Acanthite

Actinolite

Aegirine

Aegirine-augite

Alabandite

Albite

var: Andesine

var: Cleavelandite

var: Oligoclase

var: Pericline

'Albite-Anorthite Series'

'Allanite Group'

Alluaudite

Almandine

'Almandine-Pyrope Series'

'Almandine-Spessartine Series'

Althausite

Alunite

Amblygonite

'Amblygonite-Montebrasite Series'

'Amphibole Supergroup'

Analcime

Anatase

'Ancylite'

Ancylite-(Ce)

Andalusite

Andradite

var: Melanite

Anglesite

Anhydrite

Ankerite

Anorthite

var: Labradorite

Anthophyllite

'Anthosiderite'

Antimony

'Apatite'

Aragonite

Arfvedsonite

Arrojadite-(KFe)

Arrojadite-(PbFe) (TL)

Arsenopalladinite (TL)

Arsenopyrite

Astrophyllite

Atencioite (TL)

Atheneite (TL)

Augelite

Augite

var: Soda-Augite

Aurostibite

Autunite

Azurite

Baddeleyite

Barbosalite (TL)

Baryte

Barytocalcite

'Bastnäsite'

Bastnäsite-(Ce)

Bearsite

Bementite

Bendadaite

Benjaminite

Beraunite

Bergslagite

Berlinite

Bermanite

Berthierine

Berthierite

Bertrandite

Beryl

var: Alkali-beryl

var: Aquamarine

var: Blue Beryl (Maxixe)

var: Emerald

var: Goshenite

var: Heliodor

var: Morganite

Beryllonite

Beusite

Bílinite

Bindheimite

'Biotite'

Birnessite

Bismite

Bismuth

Bismuthinite

Bismutite

Bityite

Böhmite

Bornite

Bournonite

Brannerite

Brazilianite (TL)

Britholite-(Ce)

Brookite

'Burangaite-Matioliite Series'

Burbankite

Bütschliite

Cacoxenite

Calcioancylite-(Ce)

Calcite

var: Iceland Spar

'Caldasite'

Calzirtite

Cancrinite

Carbocernaite

Carlosbarbosaite (TL)

Cassiterite

Catapleiite

Celadonite

Celsian

Cerianite-(Ce)

Cerussite

Césarferreiraite (TL)

Chalcocite

Chalcophyllite

Chalcopyrite

Chalcosiderite

Chamosite

Cheralite

Chernovite-(Y)

Childrenite

'Childrenite-Eosphorite Series'

Chlorapatite

'Chlorite Group'

Chloritoid

Chrombismite

Chromite

var: Titaniferous Chromite

Chrysoberyl

var: Alexandrite

Chrysotile

Churchite-(Y)

Cinnabar

Claudetite

'Clays'

Clinochlore

Clinoenstatite

Clinoferrosilite

'Clinopyroxene Subgroup'

Clinozoisite

Cobaltite

Coesite

Coffinite

Collinsite

'Columbite'

Columbite-(Fe)

'Columbite-(Fe)-Columbite-(Mn) Series'

'Columbite Group'

Columbite-(Mn)

'Columbite-Tantalite'

Cookeite

Coombsite

Copper

Cordierite

var: Iolite

Correianevesite (TL)

Corundum

Cosalite

Coutinhoite (TL)

Covellite

Crandallite

Crichtonite

Crocoite

Cryptomelane

Cubanite

Cummingtonite

Cyrilovite

Datolite

Daubréelite

Derbylite (TL)

Descloizite

Diamond

Dickite

Diopside

var: Chromian Diopside

'Diopside-Hedenbergite Series'

Dolomite

var: Ferroan Dolomite

Dravite

Dufrénite

Dukeite (TL)

Elbaite

'Elbaite-Schorl Series'

Eosphorite

Epidote

Epsomite

Ernstite

Euclase (TL)

Eudialyte

Euxenite-(Y)

Faheyite (TL)

Fairfieldite

Fayalite

'Feldspar Group'

'var: Perthite'

Ferberite

Fergusonite-(Y)

Ferrihydrite

Ferrimolybdite

Ferrisicklerite

Ferristrunzite

Ferro-actinolite

Ferro-edenite

Ferrokentbrooksite

Fersmanite

'Florencite'

Florencite-(Ce) (TL)

Fluocerite-(Ce)

Fluorapatite

var: Carbonate-rich Fluorapatite

var: Mn-bearing Fluorapatite

Fluorapophyllite-(K)

Fluorcalciomicrolite (TL)

Fluor-elbaite (TL)

Fluorite

Fluorlamprophyllite (TL)

Foitite

Footemineite

Forsterite

Fourmarierite

Franklinite

Frondelite (TL)

'Frondelite-Rockbridgeite Series'

Gahnite

Gaidonnayite

Galena

'Garnet'

'Garnierite'

Gayite

Geocronite

Georgechaoite

Gersdorffite

Gibbsite

'Glass'

Goethite

Gold

var: Electrum

var: Palladian Gold

var: Porpezite

Gonnardite

Gorceixite (TL)

Gordonite

Gormanite

'Gormanite-Souzalite Series'

Goyazite (TL)

Graftonite

Graphite

Greenockite

Greifensteinite

Grossular

Guimarãesite (TL)

'Gummite'

Gypsum

var: Selenite

Hainite-(Y)

Haiweeite

'Halloysite'

Harrisonite

Hausmannite

Hechtsbergite

Hedleyite

Helvine

Hematite

var: Iron Rose

var: Martite

var: Specularite

Hemimorphite

Hentschelite

Herderite

Heterosite

Heulandite-Ca

Hilairite

Holmquistite

Hongshiite

'Hornblende'

Hörnesite

Huanghoite-(Ce)

Humboldtine

Hureaulite

var: Bastinite

Hydrokenomicrolite (TL)

Hydroxycalciomicrolite (TL)

Hydroxycalcioroméite

Hydroxylapatite

Hydroxylherderite

'Hypersthene'

'Iddingsite'

Ilmenite

Ilsemannite

Irarsite

Iron

var: Kamacite

Isokite

Isomertieite (TL)

Ixiolite

Jacutingaite (TL)

Jadeite

'Jahnsite'

Jahnsite-(CaMnFe)

Jahnsite-(CaMnMg)

Jahnsite-(CaMnMn)

'Jahnsite Group'

'Jahnsite-(MnMnFe2+)'

'Jahnsite-(MnMnMg)'

Jahnsite-(MnMnMn)

Jamesonite

Jarosite

Johnsomervilleite

Jordisite

'Joséite'

Joséite-B (TL)

Kalinite

Kalsilite

Kanonaite

Kaolinite

Karibibite

Kentbrooksite

'K Feldspar'

'var: Adularia'

Kidwellite

Kimzeyite

Kochite

Kosnarite

Kotulskite

Kupletskite

Kutnohorite

Kyanite

Lamprophyllite

Lanthanite-(Nd)

Laueite

Låvenite

Lazulite

Lefontite (TL)

Legrandite

Lepidocrocite

'Lepidolite'

Leucite

Leucophosphite

Leucoxene

Libethenite

'Limonite'

Lindbergite (TL)

Lipscombite (TL)

Lithiophilite

'Lithiophilite-Triphylite Series'

Lithiophorite

Lithiophosphate

Lithiotantite

Löllingite

Loparite-(Ce)

Ludlamite

Luinaite-(OH)

Mackinawite

Magnesio-arfvedsonite

Magnesite

var: Breunnerite

Magnetite

var: Titaniferous Magnetite

Malachite

Maldonite

'Manganese Oxides'

'var: Manganese Dendrites'

Manganite

Manganocummingtonite

Manganoeudialyte (TL)

Manganosite

Mannardite

var: Ankangite

Marcasite

Matioliite (TL)

Maucherite

'Melilite Group'

Melonite

Merenskyite

Merrillite

Mertieite-II

Messelite

Meta-autunite

Metaswitzerite

Metatorbernite

Metauranocircite-I

Metavivianite

'Meteoritic Iron'

'Meurigite'

Meurigite-K

'Mica Group'

Microcline

var: Amazonite

Microlite Group (TL)

var: Bariomicrolite (of Hogarth 1977) (FRL)

var: Stannomicrolite (of Hogarth 1977)

var: Uranmicrolite (of Hogarth 1977) (FRL)

Milarite

Millerite

Minasgeraisite-(Y) (TL)

Mitridatite

Molybdenite

Molybdite

'Monazite'

Monazite-(Ce)

Montebrasite

Montgomeryite

Monticellite

Montmorillonite

Moraesite (TL)

Mosandrite-(Ce)

Muscovite

var: Fuchsite

var: Illite

var: Phengite

var: Sericite

Natrodufrénite

Natrojarosite

Natrolite

Nenadkevichite

Neotocite

Nepheline

Neptunite

Nickeline

Nontronite

Normandite

Norsethite

Nsutite

Olenite

'Olivereiraite'

'Olivine'

Omeiite

Omphacite

Opal

var: Opal-AN

var: Wood Opal

Orthoclase

'Orthopyroxene Subgroup'

Osarsite

Palladinite

Palladium (TL)

var: Platiniferous Palladium

Palladseite (TL)

Paragonite

Paranatisite

Parasymplesite

Paravauxite

Parsonsite

Pavonite

Pectolite

Pentlandite

Perovskite

Petalite

'Petrified Wood'

Pharmacosiderite

Phenakite

Phlogopite

Phosphoferrite

Phosphohedyphane

Phosphosiderite

Phosphuranylite

Pickeringite

Pigeonite

'Planerite-Turquoise Series'

Platinum

var: Palladian Platinum

'Plessite'

Plumbogummite

Pollucite

Polycrase-(Y)

Polylithionite

Potarite

'Psilomelane'

Pucherite

Purpurite

Pyrite

var: Arsenian Pyrite

var: Bravoite

'Pyrochlore'

Pyrochlore Group

var: Bariopyrochlore (of Hogarth 1977)

var: Ceriopyrochlore (of Hogarth 1977)

'Pyrochlore Supergroup'

'var: Betafite (of Hogarth 1977)'

Pyrolusite

Pyromorphite

Pyrope

Pyrophanite

Pyrophyllite

'Pyroxene Group'

Pyroxmangite

Pyrrhotite

Qingheiite-(Fe2+) (TL)

Quartz

var: Agate

var: Amethyst

var: Ametrine ?

var: Blue Quartz

var: Chalcedony

var: Citrine

var: Eisenkiesel

var: Milky Quartz

var: Rock Crystal

var: Rose Quartz

var: Rutilated Quartz

var: Sceptre Quartz

var: Smoky Quartz

Rankamaite

Raspite

Reddingite

'Rhabdophane'

Rheniite

Rhodochrosite

Rhodonite

Riebeckite

Rinkite-(Ce)

Robertsite

Rockbridgeite

'Roméite Group'

Roscherite

'Roscherite Group'

Rosenbuschite

Rossmanite

Ruifrancoite (TL)

Rutherfordine

Rutile

var: Strüverite

Sabugalite

Saléeite

Samarskite-(Y)

Sanidine

Sarcopside

Scheelite

Schneiderhöhnite

Schoonerite

Schorl

Schreibersite

Schumacherite

Scorodite

Scorzalite (TL)

Senaite (TL)

Senegalite

'Serpentine Subgroup'

Serrabrancaite

Siderite

Siegenite

'Silica'

Sillimanite

Silver

Simpsonite

'Smectite Group'

Smithsonite

Sodalite

Souzalite (TL)

Sperrylite

Spessartine

Sphalerite

Spinel

var: Pleonaste

Spodumene

var: Hiddenite

var: Kunzite

Stanĕkite

'Staringite'

Staurolite

Stewartite

'Stibiconite'

Stibiopalladinite

Stibiotantalite

Stibnite

Stilpnomelane

Stokesite

Stolzite

Strengite

Stromeyerite

Strontianite

Strunzite

Studtite

Sudovikovite

Sulphur

Switzerite

Symplesite

Taenite

Tainiolite

Talc

var: Steatite

'Tantalite'

Tantalite-(Fe)

Tantalite-(Mn)

'Tapiolite'

Tapiolite-(Fe)

Tavorite (TL)

Tellurium

Tellurobismuthite

Tennantite

Tephroite

'Testibiopalladite'

Tetra-auricupride

Tetradymite

Tetraferriphlogopite

Tetrahedrite

Thorbastnäsite

Thoreaulite

Thorianite

Thorite

'Thorogummite'

Tinsleyite

Titanite

Tivanite

Todorokite

Topaz

var: Imperial Topaz

Torbernite

'Tourmalinated Quartz'

'Tourmaline'

'var: Indicolite'

'var: Rubellite'

'var: Verdelite'

'var: Watermelon Tourmaline'

Tremolite

Tridymite

Trilithionite

Triphylite

Triplite

Tripuhyite (TL)

Troilite

Tschermakite

Tschermigite

Tuperssuatsiaite

Turquoise

Ullmannite

Ulvöspinel

'UM1984-38-SiO:TiU'

'Unnamed (Au-Pd Alloy I)'

'Unnamed (Au-Pd Alloy II)'

'Unnamed (Bi Telluride Sulphide I)'

'Unnamed (Pd-Au-Hg Alloy)'

Uralolite

Uraninite

var: Pitchblende

Uranocircite

Uranophane

Ushkovite

Valentinite

Valleriite

Variscite

var: Ferrian Variscite

Vashegyite

Vauquelinite

Vermiculite

Villiaumite

Violarite

Vivianite

'Wad'

Wadeite

Wardite

Wavellite

Weeksite

Weishanite

'Whiteite'

Whiteite-(CaFeMg) (TL)

Whiteite-(CaMnMg)

Whiteite-(MnFeMg) (TL)

Whiteite-(MnMnMg)

Whitlockite

Whitmoreite

Wilancookite (TL)

Willemite

Wodginite

Wolfeite

'Wolframite'

Wollastonite

Wölsendorfite

Wyllieite

Xanthoxenite

Xenotime-(Y)

Zanazziite (TL)

'Zeolite Group'

Zincite

'Zinnwaldite'

Zircon

var: Cyrtolite

var: Orvillite

Zirconolite

Zirkelite


516 valid minerals. 48 (TL) - type locality of valid minerals. 2 (FRL) - first recorded locality of unapproved mineral/variety/etc.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities


Localities in this Region

Brazil
Brazil

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

von Freyberg, B. (1932): Ergebnisse mineralogischer Forschungen in Minas Geraes. Neues Jahrbuch für Mineralogie, Geologie und Paläontologie, Sonderband II, 403 pp. (in German)

Proctor, K. (1984). Gem pegmatites of Minas Gerais, Brazil: exploration, occurrence, and aquamarine deposits. Gems and Gemology, 20(2), 78-100.

Cassedanne, J. & Philippo, S. (2015): Mineral and gem deposits of the eastern Brazilian pegmatites, Volume 1. Publication du Musée national d’histoire naturelle, Luxembourg, 376 pp.

Cassedanne, J. & Philippo, S. (2015): Mineral and gem deposits of the eastern Brazilian pegmatites, Volume 2. Publication du Musée national d’histoire naturelle, Luxembourg, 371 pp.

Mineral and/or Locality  
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