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Redcanyonite

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Redcanyonit
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Redcanyonit

rotorange Garben von Redcanyonit, Blue Lizard Mine, Red Canyon, San Juan Co. Utah, USA; BB < 1 mm

Copyright: Joy Desor
Contribution: openpit 2020-02-01
Locality: Blue Lizard Mine / Red Canyon / White Canyon District / San Juan Co. / Utah / USA

Collectors Summary

Color rot-orange
Hardness (Mohs) 2
Cleavages vollkommen {010}
Crystal System monoklin, C2/m
Morphology Nadeln und Blättchen, die einzeln bis zu einer Länge von 0,2 mm reichen, mit Aggregaten von bis zu 1 mm Durchmesser. Kristalle sindauf {010} abgeflacht und entlang [100] verlängert und zeigen die Formen {010}, {001}, {101} und {10-1}. Zwillinge sind allgegenwärtig, durch 180° Drehung auf [100].

Chemism

Chem­ical formula

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

Empir­ical formula (anal­y­sis)

(NH4)2.02(Mn0.49Cu0.09Zn0.06)Σ0.64 H+0.72 [(UO2)4O4(S0.99P0.01O4)2](H2O)4

Chem­ical com­po­si­tion

Mangan, Sauerstoff, Schwefel, Stickstoff, Uran, Wasserstoff

Unit weight: 1482.001596675 u; Number of atoms in the formula: 49.46

Info

Empirical formula:

(NH4)2.02(Mn0.49Cu0.09Zn0.06)H0.72[(UO2)4O4(S0.99P0.01O4)2](H2O)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.14

16.8

33.97

1.0079470

16.9335096

Nitrogen

N

1.91

2.02

4.08

14.0067200

28.2935744

Oxygen

O

25.91

24

48.52

15.9994300

383.9863200

Phosphorus

P

0.04

0.02

0.04

30.9737612

0.6194752

Sulfur

S

4.28

1.98

4.00

32.0655000

63.4896900

Manganese

Mn

1.82

0.49

0.99

54.9380499

26.9196445

Copper

Cu

0.39

0.09

0.18

63.5463000

5.7191670

Zinc

Zn

0.26

0.06

0.12

65.4094000

3.9245640

Uranium

U

64.25

4

8.09

238.0289130

952.1156520

Strunz 9th edi­tion incl. updates

7.EC.05

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

IMA sta­tus

anerkannt - CNMNC Newsletter November 2016

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

rot-orange

max. Birefrin­gence

0.125

Birefringence chart\! Redcanyonite title=Birefringence chart Redcanyonite

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 = 1.725(3)

RI value β

β = 1.755(3)

RI value γ / ε

γ = 1.850(5)

2V angle

Biaxial (+) 60(2)° (gemessen), 61.3° (berechnet)

Ori­enta­tion

X = b, Y ≈ c*, Z ≈ a

Dis­per­sion

r < v, sehr stark

Pleochro­ism

X = orange, Y = gelb und Z = orange; Y << X < Z

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

8.657(2)

Cell param­e­ters b (Å)

14.155(3)

Cell param­e­ters c (Å)

8.843(2)

Cell param­e­ters a/b or c/a

0.612

Cell param­e­ters c/b

0.625

Cell param­e­ters α

90°

Cell param­e­ters β

104.12(2)°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

1050.88

Kristall struc­ture

Strukturell verwandt mit Zippeit; Struktur bestimmt

X-Ray Pow­der Diffrac­tion

8.55(21),
7.19(100),
3.600(33),
3.453(56),
3.112(72),
2.657(23),
2.491(21),
2.069(20)

XRD chart Redcanyonite

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

Morphol­ogy

Nadeln und Blättchen, die einzeln bis zu einer Länge von 0,2 mm reichen, mit Aggregaten von bis zu 1 mm Durchmesser. Kristalle sindauf {010} abgeflacht und entlang [100] verlängert und zeigen die Formen {010}, {001}, {101} und {10-1}. Zwillinge sind allgegenwärtig, durch 180° Drehung auf [100].

Physical Properties

Hard­ness (Mohs)

2

Density (g/cm³)

4.683 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {010}

(Co-)Type locality

(Co-)Type locality

USA/Utah/San Juan Co./White Canyon District/Red Canyon/Blue Lizard Mine

Type mate­r­ial

Cotyp-Material: Natural History Museum of Los Angeles County, Los Angeles, California, USA

Col­lec­tion number of type mate­r­ial

66293, 66294, 66295, 66296, 66297 und 66298

Par­a­ge­n­e­sis of type mate­r­ial

Natrozippeit, Brochantit, Devillin, Posnjakit, Johannit, Gips, Bobcookit, Pickeringit, Pentahydrit, und dem NH4-Analog von Zippeit, Ammoniozippeit

Preface

Name from

Redcanyonite ist benannt nach Red Canyon im Südosten Utahs, USA.

Author (Name, Year)

Travis A. Olds, Jakub Plášil, Anthony R. Kampf, Peter C. Burns, Barbara P. Nash, Joe Marty, Timothy P. Rose und Shawn M. Carlson (2016)

References

Olds, T.A., Plášil, J., Kampf, A.R., Burns, P.C., Nash, B.P., Marty, J., Rose, T.P. and Carlson, S.M. (2016) Redcanyonite, IMA 2016-082. CNMNC Newsletter No. 34, December 2016, page 1320; Mineralogical Magazine, 80, 1315–1321

Olds, T.A., Plášil, J., Kampf, A.R., Burns, P.C., Nash, B.P., Marty, J., Rose, T.P., Carlson, S.M. (2018): Redcanyonite, (NH4)2Mn[(UO2)4O4(SO4)2](H2O)4, a new zippeite group mineral from the Blue Lizard Mine, San Juan County, Utah, USA. Mineralogical Magazine, 82, (in press)

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

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

Other languages

German

Redcanyonit

English

Redcanyonite

Russian

Редканьонит

IMA Number

IMA 2016-082

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

German pages

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

English pages

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Handbook-of-Mineralogy - search for: Redcanyonite
RRUFF - Raman, XRD and other mineral data - search for: Redcanyonite
RRUFF - References and PDF downloads - search for: Redcanyonite
American-Mineralogist-Crystal-Structure-Database - search for: Redcanyonite
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Russian pages

Webmineral.ru - search for: Редканьонит

Mineral Dealer

German pages

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Locations with GPS information