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Oppenheimerite

Pictures (2 Images total)

Oppenheimerite white Hexahydrite
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Oppenheimerite white Hexahydrite

Pale green subparallel growths of water worn oppenheimerite on quartz with white hexahydrite. Visually, oppenheimerite is quite similar to fermiite, but its crystal aggregates are more often found ...

Copyright: Travis Olds
Contribution: Stefan 2016-09-27
Locality: Blue Lizard Mine / Red Canyon / White Canyon District / San Juan Co. / Utah / USA
Oppenheimerit
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Oppenheimerit  X
Analysed with X-ray diffraction XRD

Aggregate von tafligen Kristallen, BB < 1 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2019-11-13
Locality: Blue Lizard Mine / Red Canyon / White Canyon District / San Juan Co. / Utah / USA

Collectors Summary

Color grünlichgelb
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 2.5
Cleavages gut {110}, {011}, {101}
Fracture unregelmäßig
Solubility +++ H2O, leicht zerfließend
Crystal System triklin, P1
Morphology nach [111] gestreckte Prismen mit {100}, {010}, {001}, {101}, {011}, {110}, {101}

Chemism

Chem­ical formula

Na2(UO2)(SO4)2·3H2O

Empir­ical formula (anal­y­sis)

Na1.94(U0.97O2)(S1.02O4)2(H2O)3

Chem­ical com­po­si­tion

Natrium, Sauerstoff, Schwefel, Uran, Wasserstoff

Unit weight: 554.942091798 u; Number of atoms in the formula: 23.95

Info

Empirical formula:

Na1.94(U0.97O2)(S1.02O4)2(H2O)3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.09

6

25.05

1.0079470

6.0476820

Oxygen

O

37.48

13

54.28

15.9994300

207.9925900

Sodium

Na

8.04

1.94

8.10

22.9897702

44.6001542

Sulfur

S

11.79

2.04

8.52

32.0655000

65.4136200

Uranium

U

41.61

0.97

4.05

238.0289130

230.8880456

Anal­y­sis wt%

Na2O : 10.94, UO3 : 50.77, SO3 : 29.75, H2O* : 9.85, Total : 101.31; WDX (Kampf et al. 2015); *berechnet

Strunz 9th edi­tion incl. updates

7.EC.

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
E: Uranylsulfate
C: Mit mittelgroßen und großen [Kationen]

IMA sta­tus

von der CNMNC anerkanntes Mineral; CNMNC Newsletter No. 23, Februar 2015

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

grünlichgelb

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

Lus­tre

Glasglanz

max. Birefrin­gence

0.057

Birefringence chart\! Oppenheimerite title=Birefringence chart Oppenheimerite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

α = 1.537(1)

RI value β

β = 1.555(1)

RI value γ / ε

γ = 1.594(1)

2V angle

Biaxial (+) 72(2)° (gemessen) 70° (berechnet)

Ori­enta­tion

X ≈ ⊥ {101}, Z ≈ [111]

Dis­per­sion

r < v; moderat geneigt

Absorp­tion

X < Y < Z

Pleochro­ism

X sehr blass grünlich-gelb, Y blass grünlich-gelb, Z grünlich-gelb

Optical Data Luminescence

Color LW-UV (365nm)

 

grün

LW-UV Intensity

stark

LW-UV Obser­va­tion Frequency

immer (spezifisch)

MW-UV (320nm)

 

grün

MW-UV Intensity

stark

MW-UV Obser­va­tion Frequency

immer (spezifisch)

Color SW-UV (254nm)

 

grün

SW-UV Intensity

stark

SW-UV Obser­va­tion Frequency

immer (spezifisch)

Most Common Acti­vator

(UO2)2+ (Uranyl-Ion) spezifisch

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell param­e­ters a (Å)

7.9576(6)

Cell param­e­ters b (Å)

8.1952(6)

Cell param­e­ters c (Å)

9.8051(7)

Cell param­e­ters a/b or c/a

0.971

Cell param­e­ters c/b

1.196

Cell param­e­ters α

65.967(5)°

Cell param­e­ters β

70.281(5)°

Cell param­e­ters γ

84.516(6)°

Z

2

Volumne (ų)

549.101

Kristall struc­ture

Neuer Strukturtyp, Struktur bestimmt

X-Ray Pow­der Diffrac­tion

7.29(31), 6.85(73), 5.39(47), 4.253(29), 3.700(47), 3.257(100), 2.669(33), 2.346(28)

XRD chart Oppenheimerite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Morphol­ogy

nach [111] gestreckte Prismen mit {100}, {010}, {001}, {101}, {011}, {110}, {101}

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.5

Density (g/cm³)

3.360 (berechnet)

3.356 ( ρ calc. Mineralienatlas )

Cleav­ages

gut {110}, {011}, {101}

Frac­ture

unregelmäßig

Tenac­ity

leicht teilbar

Radioac­tiv­ity

vorhanden, da uranhaltig

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, 900 Exposition Boulevard, Los Angeles, CA 90007, USA
Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia

Col­lec­tion number of type mate­r­ial

65549, 65550 und 65551
4608/1

Par­a­ge­n­e­sis of type mate­r­ial

Fermiit, Blödit, Bluelizardit, Chalcanthit, Epsomit, Gips, Hexahydrit, Kröhnkit, Manganoblödit, Sideronatrit, Tamarugit, Wetherillit

Preface

Name from

Robert Oppenheimer

Author (Name, Year)

Anthony R. Kampf, Jakub Plašil, Anatoly V. Kasatkin, Joe Marty and Jiří Čejka

References

Kampf, A.R., Plašil, J., Kasatkin, A.V., Marty, J. and Čejka, J. (2015) Oppenheimerite, IMA 2014-073. CNMNC Newsletter No. 23, February 2015, page 55; Mineralogical Magazine, 79, 51-58.

Kampf, A.R., Plášil, J., Kasatkin, A.V., Marty, J., Čejka, J. - Fermiite, Na4(UO2)(SO4)3·3H2O and oppenheimerite, Na2(UO2)(SO4)2·3H2O, two new uranyl sulfate minerals from the Blue Lizard mine, San Juan County, Utah, USA. Mineralogical Magazine, 79 (2015), 1123-1142.

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Fermiite

Na4(UO2)(SO4)3·3H2O

orthorhombisch : mm2 : Pmn21

7.EC.

Bobcookite

NaAl(UO2)2(SO4)4·18H2O

triklin : 1 : P1

7.EC.

Feynmanite

Na(UO2)(SO4)(OH)·3.5H2O

monoklin : 2/m : P2/n

7.EC.

Meisserite

Na5(UO2)(SO4)3(SO3OH)(H2O)

triklin : 1 : P1

7.EC.

Běhounekite

U(SO4)2(H2O)4

orthorhombisch : mmm : Pnma

7.EC.

Klaprothite

Na6(UO2)(SO4)4·4H2O

monoklin : 2/m : P21/c

7.EC.

Ottohahnite

Na6(UO2)2(SO4)5(H2O)7·1.5H2O

triklin : 1 : P1

7.EC.

Péligotite

Na6(UO2)(SO4)4·4H2O

triklin : 1 : P1

7.EC.

Mathesiusite

K5(UO2)4(SO4)4(VO5)·4H2O

tetragonal : 4/m : P4/n

7.EC.

Navrotskyite

K2Na10(UO2)3(SO4)9·2H2O

orthorhombisch : mmm : Pbcm

7.EC.

Belakovskiite

Na7(UO2)(SO4)4(SO3OH)(H2O)3

triklin : 1 : P1

7.EC.

Bluelizardite

Na7(UO2)(SO4)4Cl(H2O)2

monoklin : 2/m : C2/c

7.EC.

Geschieberite

K2(UO2)(SO4)2·2H2O

orthorhombisch : mm2 : Pna21

7.EC.

Adolfpateraite

K(UO2)(SO4)(OH)(H2O)

monoklin : 2/m : P21/c

7.EC.

Plášilite

Na(UO2)(SO4)(OH)·2H2O

monoklin : 2/m : P21/c

7.EC.

Seaborgite

LiK2Na6(UO2)(SO4)5(SO3OH)(H2O)

triklin : 1 : P1

7.EC.

Wetherillite

Na2Mg(UO2)2(SO4)4·18H2O

monoklin : 2/m : P21/c

7.EC.

Oppenheimerite

Na2(UO2)(SO4)2·3H2O

triklin : 1 : P1

7.EC.

Alwilkinsite-(Y)

Y(UO2)3(SO4)2O(OH)3(H2O)7·7H2O

orthorhombisch : 222 : P212121

7.EC.

Ammoniomathesiusite

(NH4)5(UO2)4(SO4)4(VO5)·4H2O

tetragonal : 4/m : P4/n

7.EC.

Pseudomeisserite-(NH4)

(NH4)2Na4[(UO2)2(SO4)5]·4H2O

monoklin : 2/m : P21/c

7.EC.

Zippeite

K3(UO2)4(SO4)2O3(OH)·3H2O

monoklin : 2 : C2

7.EC.05

Redcanyonite

(NH4)2Mn[(UO2)4O4(SO4)2](H2O)4

monoklin : 2/m : C2/m

7.EC.05

Zinczippeite

Zn(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

7.EC.05

Natrozippeite

Na5(UO2)8(SO4)4O5(OH)3·12H2O

monoklin : 2/m : P21/n

7.EC.05

Cobaltzippeite

Co(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

7.EC.05

Nickelzippeite

Ni2(UO2)6(SO4)3(OH)10·16H2O

monoklin : 2/m : C2/m

7.EC.05

Pseudojohannite

Cu6.5(UO2)8O8(SO4)4(OH)5·25H2O

triklin : 1 : P1

7.EC.05

Ammoniozippeite

(NH4)2[(UO2)2(SO4)O2]·H2O

orthorhombisch : mmm : Ccmb

7.EC.05

Magnesiozippeite

Mg(UO2)2(SO4)O2·3.5H2O

monoklin : 2/m : C2/m

7.EC.05

Rabejacite

Ca2[(UO2)4O4(SO4)2](H2O)8

triklin : 1 : P1

7.EC.10

Sejkoraite-(Y)

Y2(UO2)8O6(SO4)4(OH)2·26H2O

triklin : 1 : P1

7.EC.15

Marécottite

Mg3[(UO2)4O3(OH)(SO4)2]2(H2O)28

triklin : 1 : P1

7.EC.15

Plavnoite

K0.8Mn0.6[(UO2)2O2(SO4)]·3.5H2O

monoklin : 2/m : C2/c

7.EC.20

Other languages

German

Oppenheimerit

English

Oppenheimerite

IMA Number

IMA 2014-073

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Oppenheimerit
Google-Bilder-Suche - search for: Oppenheimerit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Oppenheimerit

English pages

Mindat - search for: Oppenheimerite
Webmineral - search for:Oppenheimerite
Handbook-of-Mineralogy - search for: Oppenheimerite
RRUFF - Raman, XRD and other mineral data - search for: Oppenheimerite
RRUFF - References and PDF downloads - search for: Oppenheimerite
American-Mineralogist-Crystal-Structure-Database - search for: Oppenheimerite
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Mineral Dealer

German pages

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Locations with GPS information