Mineralienatlas - Fossilienatlas
Montgomeryite (Montgomeryit) |
Pictures (15 Images total)
Views (File: ): 758
Montgomeryit Tafelige orangebraune Kristalle, BB = 3,8 mm, Fundort: Tip Top Mine, Fourmile, Custer Distrikt, Custer Co., South Dakota, USA. Copyright: Bebo; Contribution: Münchener Micromounter Collection: Lithothek der Münchener Micromounter, Collection number: A001036, Donator: Klaus Fleck Location: USA/South Dakota/Custer Co./Custer District/Fourmile/Tip Top Mine Mineral: Montgomeryite Image: 1362323105 Rating: 8.5 (votes: 2) License: Usage for Mineralienatlas project only |
Montgomeryit (SNr: A001036) |
Tafelige orangebraune Kristalle, BB = 3,8 mm, Fundort: Tip Top Mine, Fourmile, Custer Distrikt, Custer Co., South Dakota, USA. |
Collection: | Lithothek der Münchener Micromounter |
Copyright: | Bebo |
Contribution: Münchener Micromounter 2013-03-03 |
Locality: Tip Top Mine / Fourmile / Custer District / Custer Co. / South Dakota / USA |
Views (File: ): 789
Montgomeryit Bildbreite: 3 mm; Fundort: Tip Top Mine, Fourmile, Custer Distrikt, Custer Co., South Dakota, USA Copyright: Stephan Wolfsried; Contribution: Hg Location: USA/South Dakota/Custer Co./Custer District/Fourmile/Tip Top Mine Mineral: Montgomeryite Image: 1404391988 Rating: 8.5 (votes: 2) License: Usage for Mineralienatlas project only |
Montgomeryit |
Bildbreite: 3 mm; Fundort: Tip Top Mine, Fourmile, Custer Distrikt, Custer Co., South Dakota, USA |
Copyright: | Stephan Wolfsried |
Contribution: Hg 2014-07-03 |
Locality: Tip Top Mine / Fourmile / Custer District / Custer Co. / South Dakota / USA |
Views (File: ): 1050
Montgomeryit Bildbreite: 2 mm; Fundort: Iron Knob Mine, Whyalla, Middleback Range, Eyre Peninsula, South Australia, Australien Copyright: Stephan Wolfsried; Contribution: Hg Location: Australien/South Australia/Eyre Peninsula/Middleback Range/Whyalla/Iron Knob Mine Mineral: Montgomeryite Image: 1219742569 Rating: 7.67 (votes: 3) License: Usage for Mineralienatlas project only |
Montgomeryit |
Bildbreite: 2 mm; Fundort: Iron Knob Mine, Whyalla, Middleback Range, Eyre Peninsula, South Australia, Australien |
Copyright: | Stephan Wolfsried |
Contribution: Hg 2008-08-26 |
Locality: Iron Knob Mine / Whyalla / Middleback Range / Eyre Peninsula / South Australia / Australien |
Views (File: ): 447
Montgomeryit Bildbreite: 2,5 mm; Fundort: Tip Top Mine, Fourmile, Custer Distrikt, Custer Co., South Dakota, USA Copyright: Stephan Wolfsried; Contribution: Hg Location: USA/South Dakota/Custer Co./Custer District/Fourmile/Tip Top Mine Mineral: Montgomeryite Image: 1404391951 Rating: 7.67 (votes: 3) License: Usage for Mineralienatlas project only |
Montgomeryit |
Bildbreite: 2,5 mm; Fundort: Tip Top Mine, Fourmile, Custer Distrikt, Custer Co., South Dakota, USA |
Copyright: | Stephan Wolfsried |
Contribution: Hg 2014-07-03 |
Locality: Tip Top Mine / Fourmile / Custer District / Custer Co. / South Dakota / USA |
Views (File: ): 1126
Montgomeryit Bildbreite: 2 mm; Fundort: Iron Knob Mine, Whyalla, Middleback Range, Eyre Peninsula, South Australia, Australien Copyright: Stephan Wolfsried; Contribution: Hg Location: Australien/South Australia/Eyre Peninsula/Middleback Range/Whyalla/Iron Knob Mine Mineral: Montgomeryite Image: 1219742635 Rating: 8 (votes: 1) License: Usage for Mineralienatlas project only |
Montgomeryit |
Bildbreite: 2 mm; Fundort: Iron Knob Mine, Whyalla, Middleback Range, Eyre Peninsula, South Australia, Australien |
Copyright: | Stephan Wolfsried |
Contribution: Hg 2008-08-26 |
Locality: Iron Knob Mine / Whyalla / Middleback Range / Eyre Peninsula / South Australia / Australien |
Views (File: ): 786
Montgomeryit Bildbreite: 2 mm; Fundort: Tip Top Mine, Fourmile, Custer Distrikt, Custer Co., South Dakota, USA Copyright: Stephan Wolfsried; Contribution: Hg Location: USA/South Dakota/Custer Co./Custer District/Fourmile/Tip Top Mine Mineral: Montgomeryite Image: 1233150323 Rating: 8 (votes: 1) License: Usage for Mineralienatlas project only |
Montgomeryit |
Bildbreite: 2 mm; Fundort: Tip Top Mine, Fourmile, Custer Distrikt, Custer Co., South Dakota, USA |
Copyright: | Stephan Wolfsried |
Contribution: Hg 2009-01-28 |
Locality: Tip Top Mine / Fourmile / Custer District / Custer Co. / South Dakota / USA |
Collectors Summary
Color | farblos, gelblich, weiß, grün, rot |
Streak color | weiß |
Hardness (Mohs) | 4 |
Solubility | +++ Säuren |
Crystal System | monoklin, C2 |
Chemism
Chemical formula |
Ca4MgAl4(PO4)6(OH)4·12H2O |
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Chemical composition |
Aluminium, Calcium, Magnesium, Phosphor, Sauerstoff, Wasserstoff |
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Analysis wt% |
CaO : 19.56, Al2O3 : 17.79, MgO : 3.52, P2O5 : 37.14, H2O : 22.00 (Ref: berechnet) |
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Strunz 9th edition incl. updates |
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8: Phosphate, Arsenate, Vanadate |
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Lapis Classification |
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VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!) |
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Classification by Hölzel |
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8: PHOSPHATES ARSENATES VANADATES |
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Dana 8th edition |
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42: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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IMA status |
Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt |
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Mineral status |
anerkanntes Mineral |
IMA Classification
IMA Classification |
Calcioferrite group ⇒ Montgomeryite subgroup |
Optical Properties
Crystallography
Crystals 3D
Open larger view |
Crystal Structure 3D
Open larger view |
Physical Properties
4 |
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190 (ungefähre Angabe abgeleitet aus der Mohshärte) |
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2.46 - 2.53 / Durchschnittlich = 2.49 |
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2.524 ( ρ calc. Mineralienatlas ) |
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Instability |
+++ Säuren |
(Co-)Type locality
(Co-)Type locality |
USA/Utah/Utah Co./Oquirrh Mts./Fairfield/Clay Canyon/Little Green Monster Variscite Mine |
Preface
Author (Name, Year) |
Larsen, 1940 |
IMA group assignments
Other languages
German |
Montgomeryit |
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English |
Montgomeryite |
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French |
Montgomeryite |
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Spanish |
Montgomeryíta |
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Russian |
Монтгомериит |
CNMNC symbol
Symbol |
Mgm |
Automatic Links to external internet sources (Responsibility is with the operator)
Mineral Dealer
Locations with GPS information