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Wetherillite

Pictures (1 Images total)

grünlichgelber Wetherillit mit Hexahydrit
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grünlichgelber Wetherillit mit Hexahydrit

Blades of pale greenish-yellow wetherillite with hexahydrite. Travis Olds 2015; Field of view: 1.7 mm; Blue Lizard Mine, Red Canyon, White Canyon District, San Juan Co., Utah, USA

Copyright: Travis Olds
Contribution: Stefan 2016-09-27
Locality: Blue Lizard Mine / Red Canyon / White Canyon District / San Juan Co. / Utah / USA

Collectors Summary

Color blass grüngelb
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 2
Cleavages vollkommen {1011}, befriedigen {010}
Fracture muschelig, gekrümmt
Solubility +++ kaltem H2O
Crystal System monoklin, P21/c

Chemism

Chem­ical formula

Na2Mg(UO2)2(SO4)4·18H2O

Empir­ical formula (anal­y­sis)

Na1.98(Mg0.58Zn0.24Cu0.11Fe2+0.09)Σ1.02(U1.04O2)2(S0.98O4)4(H2O)18

Chem­ical com­po­si­tion

Magnesium, Natrium, Sauerstoff, Schwefel, Uran, Wasserstoff

Unit weight: 1352.392427836 u; Number of atoms in the formula: 83

Info

Empirical formula:

Na1.98(Mg0.58Zn0.24Cu0.11Fe0.09)(U1.04O2)2(S0.98O4)4(H2O)18

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.68

36

43.37

1.0079470

36.2860920

Oxygen

O

44.96

38

45.78

15.9994300

607.9783400

Sodium

Na

3.37

1.98

2.39

22.9897702

45.5197450

Magnesium

Mg

1.04

0.58

0.70

24.3050600

14.0969348

Sulfur

S

9.29

3.92

4.72

32.0655000

125.6967600

Iron

Fe

0.37

0.09

0.11

55.8452000

5.0260680

Copper

Cu

0.52

0.11

0.13

63.5463000

6.9900930

Zinc

Zn

1.16

0.24

0.29

65.4094000

15.6982560

Uranium

U

36.61

2.08

2.51

238.0289130

495.1001390

Strunz 9th edi­tion incl. updates

7.EC.

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

IMA sta­tus

anerkannt - (CNMNC) Newsletter 22 - Mineralogical Magazine, 2014, Vol. 78(5), pp. 1241-1248

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

blass grüngelb

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

Lus­tre

Glasglanz

max. Birefrin­gence

0.021

Birefringence chart\! Wetherillite title=Birefringence chart Wetherillite

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 = 1.498(1)

RI value β

β = 1.508(1)

RI value γ / ε

γ = 1.519(1)

Ri mean

1.508

2V angle

Biaxial (+) 88(1)° (gemessen) 87.9° (berechnet)

Ori­enta­tion

Z = b, X ^ a = 54° in stumpfen β

Dis­per­sion

r < v, merklich

Absorp­tion

X < Y ≈ Z

Pleochro­ism

X = farblos, Y = blass gelb-grün, Z = blass gelb-grün

Optical Data Luminescence

Color LW-UV (365nm)

 

grün

Color SW-UV (254nm)

 

grün

Most Common Acti­vator

(UO2)2+ (Uranyl-Ion) spezifisch

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell param­e­ters a (Å)

20.367(1)

Cell param­e­ters b (Å)

6.8329(1)

Cell param­e­ters c (Å)

12.903(3)

Cell param­e­ters a/b or c/a

2.981

Cell param­e­ters c/b

1.888

Cell param­e­ters α

90°

Cell param­e­ters β

107.879(10)º

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

1708.937

Kristall struc­ture

Neuer Strukturtyp, Struktur bestimmt

X-Ray Pow­der Diffrac­tion

19.84(14), 9.74(100), 6.46(50), 6.01(48), 5.41(40), 4.80(64), 3.202(47), 3.038(34)

XRD chart Wetherillite

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

Physical Properties

Hard­ness (Mohs)

2

Density (g/cm³)

2.626 (berechnet)

2.628 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {1011}, befriedigen {010}

Frac­ture

muschelig, gekrümmt

Insta­bil­ity

+++ kaltem H2O

(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, Russland

Col­lec­tion number of type mate­r­ial

64164 und 64172 (USA); 4574/1 (Russland)

Preface

Gen­er­a­tion con­di­tions

sekundäre Alterungsphase

Asso­cia­tions

Bobcookit, Boyleit, Chalkanthit, Dietrichit, Gyps Hexahydrit, Johannit, Pickeringit und Rozenit

Author (Name, Year)

Anthony R. Kampf, Jakub Plášil, Anatoly V. Kasatkin and Joe Marty (2014)

References

Kampf, A.R., Plášil, J., Kasatkin, .V. and Marty, J. (2014) Whetherillite, IMA 2014-044. CNMNC Newsletter No. 22, October 2014, page 1243; Mineralogical Magazine, 78, 1241-1248.

Kampf, A.R., Plášil, J., Kasatkin, A.V., Marty, J. - Bobcookite, NaAl(UO2)2(SO4)4·18H2O and wetherillite, Na2Mg(UO2)2(SO4)4·18H2O, two new uranyl sulfate minerals from the Blue Lizard mine, San Juan County, Utah, USA. Mineralogical Magazine, 79 (2015), 695-714.

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

Wetherillit

CNMNC Newsletter 22, the mineral name was typed incorrectly as whetherillite. The correct name is wetherillite.

English

Wetherillite

CNMNC Newsletter 22, the mineral name was typed incorrectly as whetherillite. The correct name is wetherillite.

IMA Number

IMA 2014-044

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

German pages

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

English pages

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

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Wetherillit
Crystal-Treasure.com - search for: Wetherillit
Bosse - search for: Wetherillit

Locations with GPS information