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Barbosalite : Fe2+Fe3+2[OH|PO4]2 | |
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Bull Moose Mine, Custer, Custer District, Custer Co., South Dakota, USA View is about 4 mm across. P. Cristofono specimen and photo. |
| © 2007 Peter Cristofono | Photo ID: 120713 View Count: 171 |
Barbosalite : Fe2+Fe3+2[OH|PO4]2 | |
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Bull Moose Mine, Custer, Custer District, Custer Co., South Dakota, USA Barbosalite from the Bull Moose Mine is generally thought of as a rather formless granular matrix associated with such minerals as strengite and phosphosiderite. This BSE/SEM image reveals however, that barbosalite is indeed crystallized. SEM by Bart Cannon, Cannon Microprobe, Seattle,WA. Field of view approximately 200 microns. Photoshop ... |
| © Saul Krotki 2004 | Photo ID: 14743 View Count: 874 |
Barbosalite : Fe2+Fe3+2[OH|PO4]2, Phosphosiderite : FePO4·2H2O | |
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Bull Moose Mine, Custer, Custer District, Custer Co., South Dakota, USA 65 mm tall spire of massive black barbosalite sprinkled with coating of golden sulfides and displaying a small accent of light brown phosphosiderite (with just a hint of purple along its top margin) at the base. RFC M1471. |
| © Michael C. Roarke | Photo ID: 94643 View Count: 248 |
Hureaulite : (Mn,Fe)5(PO3OH)2(PO4)2·4H2O, Tavorite : LiFe3+[OH|PO4] | |
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Bull Moose Mine, Custer, Custer District, Custer Co., South Dakota, USA A light pink terminated Huréaulite crystal with a green platy crystal of Tavorite. Field of view 1.2 mm. Robert Meyer specimen and photo. |
| © 2004 ROM | Photo ID: 14667 View Count: 396 |
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Bull Moose Mine, Custer, Custer District, Custer Co., South Dakota, USA 4.5 x 4.2 x 2.1 cm. This remarkable large crystal is the best single hureaulite I have personally seen from this mine. The piece hosts a large, well-displayed crystal towering over the contrasting matrix - not just a large hureaulite, then, but an extremely aesthetic crystal overall. The locality is long done in terms of producing its wonderful ... |
| © Rob Lavinsky | Photo ID: 254450 View Count: 13 |
Mitridatite : Ca2Fe3+3[O2|(PO4)3] · 3H2O | |
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Bull Moose Mine, Custer, Custer District, Custer Co., South Dakota, USA Small "fuzzy" crystals of mitridatite lining cavity in massive mitridatite. FOV = 2 x 3 mm |
| © Van King | Photo ID: 239221 View Count: 32 |
Phosphosiderite : FePO4·2H2O | |
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Bull Moose Mine, Custer, Custer District, Custer Co., South Dakota, USA A rich specimen with large gemmy and lustrous purple lathes to 4 mm of the uncommon iron phosphate phosphosiderite from South Dakota. Ex Mark Mauthner Collection, Assistant Curator at the Houston Museum of Natural Sciences mineral collection. 7.0 x 4.0 x 3.7 cm. Mindat.org Photo of the Day - 8th Oct 2006 |
| © Rob Lavinsky | Photo ID: 24537 View Count: 732 |
Phosphosiderite : FePO4·2H2O | |
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Bull Moose Mine, Custer, Custer District, Custer Co., South Dakota, USA Picture width 3 mm. Collection and photograph Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 43859 View Count: 319 |
Phosphosiderite : FePO4·2H2O | |
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Bull Moose Mine, Custer, Custer District, Custer Co., South Dakota, USA Striated prisms to 6 mm. Photo: Ralph Thomas |
| © Stephen E. Fritz | Photo ID: 134539 View Count: 121 |
Phosphosiderite : FePO4·2H2O | |
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Bull Moose Mine, Custer, Custer District, Custer Co., South Dakota, USA 3.3mm twinned phosphosiderite xl. JBS specimen and photo. |
| © 2008 JBS | Photo ID: 199115 View Count: 59 |
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