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Plavnoite

Pictures (4 Images total)

Plavnoite
Views (Image: 1490002280): 468
Plavnoite

Orange aggregates of plavnoite; Locality: Plavno mine, Jáchymov District, Karlovy Vary Region, Bohemia, Czech Republic; Fov: 1.2 mm;
Collection: Luigi Chiappino
Copyright: Luigi Chiappino
Contribution: Stefan 2017-03-20
Locality: Plavno Mine / St. Joachimsthal (Jáchymov) / Karlsbad (Karlovy Vary), Bezirk / Karlsbad, Region (Karlovarsky kraj) / Tschechien
Plavnoite
Views (Image: 1490002382): 669
Plavnoite

Nice orange plavnoite aggregates; Locality: Plavno mine, Jáchymov District, Karlovy Vary Region, Bohemia, Czech Republic; Fov: 2.5 mm;
Copyright: Pavel Škácha, Czechmin
Contribution: Stefan 2017-03-20
Locality: Plavno Mine / St. Joachimsthal (Jáchymov) / Karlsbad (Karlovy Vary), Bezirk / Karlsbad, Region (Karlovarsky kraj) / Tschechien
Plavnoite
Views (Image: 1490002513): 317
Plavnoite

Orange plavnoite with yellow marecottite. FOV 1mm. Acquired from MinTreasure. Brent Thorne specimen and photograph; Locality: Plavno mine, Jáchymov District, Karlovy Vary Region, Bohemia, Czech Rep...
Copyright: Brent Thorne
Contribution: Stefan 2017-03-20
Locality: Plavno Mine / St. Joachimsthal (Jáchymov) / Karlsbad (Karlovy Vary), Bezirk / Karlsbad, Region (Karlovarsky kraj) / Tschechien
Plavnoite
Views (Image: 1490002907): 369
Plavnoite

orange aggregates of plavnoite from the Type and only locality; Locality: Plavno mine, Jáchymov District, Karlovy Vary Region, Bohemia, Czech Republic; Fov: 2.0 mm;
Collection: Luigi Chiappino
Copyright: Luigi Chiappino
Contribution: Stefan 2017-03-20
Locality: Plavno Mine / St. Joachimsthal (Jáchymov) / Karlsbad (Karlovy Vary), Bezirk / Karlsbad, Region (Karlovarsky kraj) / Tschechien

Collectors Summary

Color rot, rotorange
Streak color blaß orange
Lustre Glasglanz, Seidenglanz
Hardness (Mohs) 2
Cleavages vollkommen
Fracture uneben
Crystal System monoklin, C2/c

Chemism

Chem­ical formula

K0.8Mn0.6[(UO2)2O2(SO4)]·3.5H2O

Empir­ical formula (anal­y­sis)

K0.77(Mn0.51Zn0.04Ni0.03Mg0.02)0.60[(UO2)2O1.08(OH)0.92(SO4)0.96(SiO4)0.24](H2O)3.50

Chem­ical com­po­si­tion

Mangan, Kalium, Sauerstoff, Schwefel, Uran, Wasserstoff

Unit weight: 800.1907322894 u; Number of atoms in the formula: 26.55

Info

Empirical formula:

K0.77(Mn0.51Zn0.04Ni0.03Mg0.02)0.60[(UO2)2O1.08(OH)0.92(SO4)0.96(SiO4)0.24](H2O)3.50

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.00

7.92

29.83

1.0079470

7.9829402
Oxygen

O

28.59

14.3

53.86

15.9994300

228.7918490
Magnesium

Mg

0.04

0.01

0.05

24.3050600

0.2916607
Silicon

Si

0.84

0.24

0.90

28.0855300

6.7405272
Sulfur

S

3.85

0.96

3.62

32.0655000

30.7828800
Potassium

K

3.76

0.77

2.90

39.0983100

30.1056987
Manganese

Mn

2.10

0.31

1.15

54.9380499

16.8110433
Nickel

Ni

0.13

0.02

0.07

58.6934200

1.0564816
Zinc

Zn

0.20

0.02

0.09

65.4094000

1.5698256
Uranium

U

59.49

2

7.53

238.0289130

476.0578260

Strunz 9th edi­tion incl. updates

7.EC.20

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
E: Uranylsulfate
C: Mit mittelgroßen und großen [Kationen]
20:

IMA sta­tus

anerkannt CNMNC Sept. 2015 - CNMNC Newsletter No. 27 Okt. 2015

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

 Zippeite group

Optical Properties

Color

rot, rotorange

Streak color

blaß orange

Lus­tre

Glasglanz, Seidenglanz

max. Birefrin­gence

0.09
Birefringence chart\! Plavnoite title=Birefringence chart Plavnoite

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

1.740(5)

RI value β

1.770(5)

RI value γ / ε

1.850(5)

2V angle

Biaxial(+) 64.6(4)° (gemessen) 65.3° (berechnet)

Dis­per­sion

keine beobachtet

Pleochro­ism

nicht beobachtet

Optical Data Luminescence

Lumi­nes­cence

keine

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell param­e­ters a (Å)

8.6254 (16)

Cell param­e­ters b (Å)

14.258(3)

Cell param­e­ters c (Å)

17.703(4)

Cell param­e­ters a/b or c/a

0.605

Cell param­e­ters c/b

1.242

Cell param­e­ters α

90°

Cell param­e­ters β

104.052(18)°

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

2111.983

Kristall struc­ture

Struktur bestimmt; verwandt mit Zippeit, siehe Jakub Plášil, Pavel Škácha, Jiří Sejkora, Anthony R. Kampf, Radek Škoda, Jiří Čejka, Jan Hloušek, Anatoly V. Kasatkin, Radim Pavlíček, Karel Babka: Plavnoite, a new K–Mn member of the zippeite group from Jáchymov, Czech Republic. European Journal of Mineralogy Vol. 29, Nr. 1 (2017) S. 117-128.

X-Ray Pow­der Diffrac­tion

8.590(27), 7.133(100), 5.489(13), 3.565(25), 3.446(36), 3.104(47), 2.8650(14), 2.6582(15)
XRD chart Plavnoite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2

Density (g/cm³)

4.926 (berechnet)

5.033 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen

Frac­ture

uneben

(Co-)Type locality

(Co-)Type locality

Tschechien/Karlsbad, Region (Karlovarsky kraj)/Karlsbad (Karlovy Vary), Bezirk/St. Joachimsthal (Jáchymov)/Plavno Mine

Type mate­r­ial

National Museum, Department of Mineralogy and Petrology, Cirkusová 1740, Praha 9, Czech Republic, catalogue number P1P 4/2015,

Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue number 65588,

Fersman Mineralogical Museum, Russian Academy of Sciences, Leninsky Ave, Moscow, Russia, registration number 4740/1

Par­a­ge­n­e­sis of type mate­r­ial

Marécottit, Magnesiozippeit, Blatonit, Gips

Preface

Gen­er­a­tion con­di­tions

Umwandlungsprodukt, entsteht bei oberflächennaher Hydratation-Oxidation von Uraninit auf hydrothermalen Uraninit-Gängen

Name from

der Grube Plavno, der Typlokalität

Author (Name, Year)

Jakub Plášil*, Pavel Škácha, Radek Škoda, Anthony R. Kampf, Jiří Sejkora, Jiří Čejka, Jan Hloušek, Anatoly V. Kasatkin, Radim Pavlíček and Karel Babka (2017)

References

Plášil, J., Škácha, P., Škoda, R., Kampf, A.R., Sejkora, J., Čejka, J., Hloušek, J., Kasatkin, A.V.,Pavlíček, R. and Babka, K.(2015) Plavnoite, IMA 2015-059. CNMNC Newsletter No. 27, October 2015, page 1229; Mineralogical Magazine, 79, 1229-1236.

Jakub Plášil, Pavel Škácha, Jiří Sejkora, Anthony R. Kampf, Radek Škoda, Jiří Čejka, Jan Hloušek, Anatoly V. Kasatkin, Radim Pavlíček, Karel Babka: Plavnoite, a new K–Mn member of the zippeite group from Jáchymov, Czech Republic. European Journal of Mineralogy Vol. 29, Nr. 1 (2017) S. 117-128.

IMA group assignments

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

Plavnoite

K0.8Mn0.6[(UO2)2O2(SO4)]·3.5H2O

monoklin : 2/m : C2/c

7.EC.20

Other languages

German

Plavnoit

English

Plavnoite

IMA Number

IMA 2015-059

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

German pages

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

English pages

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Mineral Dealer

German pages

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Locations with GPS information