Mineralienatlas - Fossilienatlas
Fermiite |
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Fermiit gelbgrüne Kristalle von Fermiit, Blue Lizard Mine, Red Canyon, Utah, USA; BB < 1 mm Copyright: Joy Desor; Contribution: openpit Location: USA/Utah/San Juan Co./White Canyon District/Red Canyon/Blue Lizard Mine Mineral: Fermiite Image: 1578067798 License: Usage for Mineralienatlas project only |
Fermiit |
gelbgrüne Kristalle von Fermiit, Blue Lizard Mine, Red Canyon, Utah, USA; BB < 1 mm |
Copyright: | Joy Desor |
Contribution: openpit 2020-01-03 |
Locality: Blue Lizard Mine / Red Canyon / White Canyon District / San Juan Co. / Utah / USA |
Collectors Summary
Color | blass gelblichgrün |
Streak color | weiß |
Lustre | Glasglanz |
Hardness (Mohs) | 2.5 |
Cleavages | keine |
Fracture | muschelig |
Solubility | +++ H2O; leicht zerfließend |
Crystal System | orthorhombisch, Pmn21 |
Morphology | nach [010] gestreckte Prismen mit {010}, {001}, {001}, {110}, {011}, {011}, {101}, {101} |
Chemism
Chemical formula |
Na4(UO2)(SO4)3·3H2O |
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Empirical formula (analysis) |
Na3.88(U1.05O2)(S0.99O4)3(H2O)3 |
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Chemical composition |
Natrium, Sauerstoff, Schwefel, Uran, Wasserstoff |
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Analysis wt% |
Na2O : 17.10, UO3 : 42.77, SO3 : 33.85, H2O* : 7.70, Total : 101.42; WDX (Kampf et al. 2015); *berechnet |
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Strunz 9th edition incl. updates |
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7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate) |
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Lapis Classification |
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VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE |
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IMA status |
von der CNMNC anerkanntes Mineral; CNMNC Newsletter No. 23, Februar 2015 |
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Mineral status |
anerkanntes Mineral |
Optical Properties
Optical Data Luminescence
Crystallography
mm2 |
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Space Group number |
31 |
Pmn21 |
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Cell parameters a (Å) |
11.8407(12) |
Cell parameters b (Å) |
7.8695(5) |
Cell parameters c (Å) |
15.3255(19) |
Cell parameters a/b or c/a |
1.505 |
Cell parameters c/b |
1.947 |
Cell parameters α |
90° |
Cell parameters β |
90° |
Cell parameters γ |
90° |
Z |
4 |
Volume (ų) |
1428.036 |
strukturell verwandt mit Meisserit |
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7.71(43), 7.01(100), 6.00(49), 4.70(42), 3.476(85), 3.336(55), 3.131(57), 2.762(46) |
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Calculated from d-spacing and intensity at 0.1541838 nm (Cu) |
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nach [010] gestreckte Prismen mit {010}, {001}, {001}, {110}, {011}, {011}, {101}, {101} |
Crystals 3D
Open larger view |
Physical Properties
2.5 |
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3.23(2) (gemessen) 3.313 (berechnet) |
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3.313 ( ρ calc. Mineralienatlas ) |
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keine |
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muschelig |
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spröde |
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vorhanden, da uranhaltig |
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Instability |
+++ H2O; leicht zerfließend |
(Co-)Type locality
(Co-)Type locality |
USA/Utah/San Juan Co./White Canyon District/Red Canyon/Blue Lizard Mine |
Type material |
Natural History Museum of Los Angeles County, Kalifornien Fersman Mineralogical Museum of the Russian Academy of Sciences, Moskau |
Collection number of type material |
65546, 65547 und 65548 (Los Angeles) 4607/1 (Moskau) |
Preface
Oppenheimerit, Blödit, Bluelizardit, Chalkanthit, Epsomit, Gips, Hexahydrit, Kröhnkit, Manganoblödit, Sideronatrit, Tamarugit, Wetherillit |
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Name from |
dem Experimentalphysiker Dr. Enrico Fermi (1901-1954) |
Author (Name, Year) |
Kampf, A.R., Plašil, J., Kasatkin, A.V., Marty, J., Čejka, J. (2015) |
References
Other languages
German |
Fermiit |
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English |
Fermiite |
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Russian |
Фермиит |
CNMNC (IMA)-Number
IMA 2014-068 |
CNMNC symbol
Symbol |
Fmi |
Automatic Links to external internet sources (Responsibility is with the operator)
Mineral Dealer
Locations with GPS information
IDs
GUSID (Global unique identifier short form) | XGJTlw--x0umGz1IJCHVYg |
GUID (Global unique identifier) | 9753625C-BE0F-4BC7-A61B-3D482421D562 |
Database ID | 7869 |