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Pedro Alves' Mindat Home Page

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Hematite, etc.

Senhora da Luz (Avarela), Óbidos, Leiria District, Portugal

Pedro Alves Mindat Home Page

Registered member since 28th Oct 2008

Pedro Alves has uploaded:
298 Mineral Photos
105 Locality Photos

I'm a mineral collector since 2001. In the present (2011) and since 2008 I only collect minerals from Portugal and mostly self collected.
Presently (2011) my time is divided in part to finish my master's degree and working as investigator in the Earth Sciences Department at Minho University (Braga, NW Portugal).

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 19th Feb 2012 06:10:42

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New Locality Added: Mole Station deposit, Clive, Clive Co., New South Wales, AustraliaFrom Keith Compton, 19th Feb 2012 03:36:33

Hinsdalite : PbAl₃(PO₄)(SO₄)(OH)₆
	Schöne Aussicht Mine, Dernbach, Neuwied, Wied Iron Spar District, Westerwald, Rhineland-Palatinate, Germany Epitactic intergrowth of Hinsdalite (white) on Corkite (yellow), hemispheres about 0,5 mm in diameter, photo Reinhardt
© C.H.M.-Schäfer	Photo ID: 444420 View Count: 45
Brookite : TiO₂
	Mt. Bregaceto, Borzonasca, Genova Province, Liguria, Italy Nice 7.44 mm group of Brookite crystals. Photo used for Lapis article " Roter Brookit un Anatas vom Monte Bregaceto, Ligurien, Italien " 01/2012. Collection Stefano Camarda & Giovanni Sanguinetti photo Matteo Chinellato
© Chinellato Matteo	Photo ID: 436980 View Count: 136
Silver : Ag, Acanthite : Ag₂S
	Freiberg District, Erzgebirge, Saxony, Germany Specimen dimensions 18 x 8 x 3 cms. ex Bally Prior Museum
© Mark Mauthner	Photo ID: 410152 View Count: 67
Spangolite : Cu₆Al(SO₄)(OH)₁₂Cl·3H₂O
	Madonna di Fucinaia (Madonna della Fucinaia; slag locality), Campiglia Marittima, Livorno Province, Tuscany, Italy Very nice azure crystal of spangolite dimension crystal mm. 0,85 self collected photo Germano Fretti collection Luigi Chiappino Mindat.org Photo of the Day - 20th May 2011
© L.C. 2011	Photo ID: 359547 View Count: 851
Scheelite : Ca(WO₄), Stolzite : Pb(WO₄), Wolframite : (Fe²⁺)WO₄ to (Mn²⁺)WO₄
	Cínovec / Zinnwald (Cinvald), Erzgebirge; Krusné Hory Mts, Saxony & Ústí Region (Bohemia; Böhmen; Boehmen), Germany & Czech Republic Mineralogical porno - stolzite groowing through sheelite crystal. FOV 4mm. Collection Z.Dvořák
© Petr Fuchs	Photo ID: 358805 View Count: 158
Fluorite : CaF₂, Microcline : KAlSi₃O₈, Albite : NaAlSi₃O₈, Stilbite
	Strzegom (Striegau), Świdnica District, Strzegom-Sobótka Massif, Lower Silesia (Dolnośląskie), Poland Fluorite on albite with microcline and stilbite, from the Wekom II Quarry, 6.5 cm across.
© 2010, Jesse Fisher	Photo ID: 345665 View Count: 177
Zircon : ZrSiO₄, Pyrochlore Group : A₂Nb₂(O,OH)₆Z
	Água de Pau volcano (Fogo volcano), San Miguel Island, Azores District, Portugal Dimension area mm. 2,5 x 2,5 self collected yellow zircon and red pyrochlore photo G. Fretti coll. Luigi Chiappino Mindat.org Photo of the Day - 23rd Sep 2011
© luigi chiappino	Photo ID: 333020 View Count: 719
Tyrolite : Ca₂Cu₉(AsO₄)₄(CO₃)(OH)₄·11-12H₂O, Azurite : Cu₃(CO₃)₂(OH)₂, Erythrite : Co₃(AsO₄)₂·8H₂O
	Silberberg, Geyer - Silberberg District, Brixlegg - Rattenberg, Brixlegg - Schwaz area, Inn valley, North Tyrol, Tyrol, Austria cluster with 3 different specimens violet crystals of erythrite blue crystals of azurite and green crystals of tyrolite up to 2.42 mm Photo Matteo Chinellato Collection Domenico Preite
© D. Preite - M.C.	Photo ID: 313143 View Count: 516
Vivianite : Fe²⁺₃(PO₄)₂·8H₂O, Bavenite : Ca₄Be₂Al₂Si₉O₂₆(OH)₂, Fluorite : CaF₂, Quartz : SiO₂, Magnesite (Var: Ferroan Magnesite) : (Mg,Fe)CO₃
	Mt Bischoff mine, Waratah, Waratah district, Tasmania, Australia 65mm long cluster of Vivianite crystals with Fluorite, White Bavenite sprays and Quartz crystals. Self collected from the new open cut mine. M. Latham specimen and photo. Mindat.org Photo of the Day - 1st Apr 2010
	Photo ID: 211511 View Count: 1010
Vivianite : Fe²⁺₃(PO₄)₂·8H₂O, Magnesite-Siderite Series
	Mt Bischoff mine, Waratah, Waratah district, Tasmania, Australia A beautiful spray of vivianite on magnesite-siderite (probably ferroan magnesite). S. Richardson specimen, R Bottrill photo. FOV 20mm Mindat.org Photo of the Day - 2nd Dec 2009
© R. Bottrill 2007	Photo ID: 202590 View Count: 1315

Pedro Alves' Mindat Home Page

Pedro Alves Mindat Home Page

Pedro's Favourites

Favourite Minerals

Favourite Localities

Favourite Members' Home Pages

Favourite Photos

Hinsdalite : PbAl₃(PO₄)(SO₄)(OH)₆

Brookite : TiO₂

Silver : Ag, Acanthite : Ag₂S

Spangolite : Cu₆Al(SO₄)(OH)₁₂Cl·3H₂O

Scheelite : Ca(WO₄), Stolzite : Pb(WO₄), Wolframite : (Fe²⁺)WO₄ to (Mn²⁺)WO₄

Fluorite : CaF₂, Microcline : KAlSi₃O₈, Albite : NaAlSi₃O₈, Stilbite

Zircon : ZrSiO₄, Pyrochlore Group : A₂Nb₂(O,OH)₆Z

Tyrolite : Ca₂Cu₉(AsO₄)₄(CO₃)(OH)₄·11-12H₂O, Azurite : Cu₃(CO₃)₂(OH)₂, Erythrite : Co₃(AsO₄)₂·8H₂O

Vivianite : Fe²⁺₃(PO₄)₂·8H₂O, Bavenite : Ca₄Be₂Al₂Si₉O₂₆(OH)₂, Fluorite : CaF₂, Quartz : SiO₂, Magnesite (Var: Ferroan Magnesite) : (Mg,Fe)CO₃

Vivianite : Fe²⁺₃(PO₄)₂·8H₂O, Magnesite-Siderite Series

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Hinsdalite : PbAl3(PO4)(SO4)(OH)6

Brookite : TiO2

Silver : Ag, Acanthite : Ag2S

Spangolite : Cu6Al(SO4)(OH)12Cl·3H2O

Scheelite : Ca(WO4), Stolzite : Pb(WO4), Wolframite : (Fe2+)WO4 to (Mn2+)WO4

Fluorite : CaF2, Microcline : KAlSi3O8, Albite : NaAlSi3O8, Stilbite

Zircon : ZrSiO4, Pyrochlore Group : A2Nb2(O,OH)6Z

Tyrolite : Ca2Cu9(AsO4)4(CO3)(OH)4·11-12H2O, Azurite : Cu3(CO3)2(OH)2, Erythrite : Co3(AsO4)2·8H2O

Vivianite : Fe2+3(PO4)2·8H2O, Bavenite : Ca4Be2Al2Si9O26(OH)2, Fluorite : CaF2, Quartz : SiO2, Magnesite (Var: Ferroan Magnesite) : (Mg,Fe)CO3

Vivianite : Fe2+3(PO4)2·8H2O, Magnesite-Siderite Series

Pedro Alves' Blog

Pedro Alves' Articles

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Collection Catalogue

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Hinsdalite : PbAl₃(PO₄)(SO₄)(OH)₆

Brookite : TiO₂

Silver : Ag, Acanthite : Ag₂S

Spangolite : Cu₆Al(SO₄)(OH)₁₂Cl·3H₂O

Scheelite : Ca(WO₄), Stolzite : Pb(WO₄), Wolframite : (Fe²⁺)WO₄ to (Mn²⁺)WO₄

Fluorite : CaF₂, Microcline : KAlSi₃O₈, Albite : NaAlSi₃O₈, Stilbite

Zircon : ZrSiO₄, Pyrochlore Group : A₂Nb₂(O,OH)₆Z

Tyrolite : Ca₂Cu₉(AsO₄)₄(CO₃)(OH)₄·11-12H₂O, Azurite : Cu₃(CO₃)₂(OH)₂, Erythrite : Co₃(AsO₄)₂·8H₂O

Vivianite : Fe²⁺₃(PO₄)₂·8H₂O, Bavenite : Ca₄Be₂Al₂Si₉O₂₆(OH)₂, Fluorite : CaF₂, Quartz : SiO₂, Magnesite (Var: Ferroan Magnesite) : (Mg,Fe)CO₃

Vivianite : Fe²⁺₃(PO₄)₂·8H₂O, Magnesite-Siderite Series