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Znucalite (Znucalita)

Pictures (3 Images total)

Znucalit
Views (Image: 1183362523): 1162
Znucalit

typisch perlmuttglänzender Znucalit; Fundort: Lill Halde, Pribram, Tschechien (TL); Bildausschnitt ca. 2,2 mm

Collection: oro
Copyright: oro
Contribution: Mineralienatlas 2007-07-02
Locality: Lill-Schacht / Cernojamské / Birkenberg (Brezove Hory), Erzrevier / Pribram, Revier / Pribram, Bezirk / Mittelböhmen, Region (Stredocesky kraj) / Tschechien
Znucalit
Views (Image: 1275746954): 1039
Znucalit

Kristallgröße: 0,7 mm, Fundort: Lill-Schacht, Pribram, Mittelböhmen, Tschechien

Copyright: Jason B. Smith
Contribution: thdun5 2010-06-05
Locality: Lill-Schacht / Cernojamské / Birkenberg (Brezove Hory), Erzrevier / Pribram, Revier / Pribram, Bezirk / Mittelböhmen, Region (Stredocesky kraj) / Tschechien
Znucalit
Views (Image: 1580141169): 110
Znucalit

Halde Schacht 209, (Grube "St.Johannes"), Bärenhecke bei Glashütte/Ost-Erzgebirge,Sachsen; analysiertes Material von Dr.Th.Witzke; Bildbreite 5,5 mm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2020-01-27
Locality: Bärenhecke / Glashütte / Sächsische Schweiz-Osterzgebirge, Landkreis / Sachsen / Deutschland

Collectors Summary

Color weiß, hellgelb, graulich gelb
Streak color weiß
Lustre Seidenglanz
Hardness (Mohs) 1
Cleavages vollkommen {010}
Fracture nicht genannt
Solubility +++ verdünnte Säuren
Crystal System triklin,

Chemism

Chem­ical formula

CaZn11(UO2)(CO3)3(OH)20·4H2O

Chem­ical com­po­si­tion

Calcium, Zink, Kohlenstoff, Sauerstoff, Uran, Wasserstoff

Unit weight: 1621.845619 u; Number of atoms in the formula: 79

Info

Empirical formula:

CaZn11(UO2)(CO3)3(OH)20·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.74

28

35.44

1.0079470

28.2225160

Carbon

C

2.22

3

3.80

12.0107800

36.0323400

Oxygen

O

34.53

35

44.30

15.9994300

559.9800500

Calcium

Ca

2.47

1

1.27

40.0784000

40.0784000

Zinc

Zn

44.36

11

13.92

65.4094000

719.5034000

Uranium

U

14.68

1

1.27

238.0289130

238.0289130

Anal­y­sis wt%

ZnO : 56.75, CaO : 4.06, UO3 : 17.42, CO2 : 8.25, H2O : 15.37 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 90)

Strunz 9th edi­tion incl. updates

5.ED.45

5: Carbonate (Carbonate, Nitrate)
E: Uranylcarbonate
D: UO2:CO3 = 1:4
45:Znucalit-Gruppe

Lapis Clas­sifica­tion

V/F.03-015

V: NITRATE, CARBONATE UND BORATE
F: Uranylcarbonate [UO2] 2+ – [CO3] 2-

Clas­sifica­tion by Hölzel

5.ED.280

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
E: Uranyl-Carbonates
D: Uranyl-Carbonates (+Anions +Water)

Dana 8th edi­tion

16b.07.14.01

16b: Carbonates - Hydroxyl or Halogen
07: Carbonates - Hydroxyl or Halogen

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

weiß, hellgelb, graulich gelb

Streak color

weiß

Diaphane­ity (Trans­parency)

durchscheinend

Lus­tre

Seidenglanz

max. Birefrin­gence

0.058

Birefringence chart\! Znucalite title=Birefringence chart Znucalite

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

1.563

RI value β

1.621

RI value γ / ε

1.621

Ri mean

1.602

2V angle

Biaxial (-) 60°-60° (gemessen) 66,4° (berechnet)

Ori­enta­tion

X = c; Y = b; Z = a

Optical Data Luminescence

Lumi­nes­cence

fluoreszierend, Kurzwelliges UV=grünlich gelb, Langwelliges UV=grünlich gelb

Color SW-UV (254nm)

 

grün

SW-UV Intensity

schwach

SW-UV Other Col­ors

 

bläulich grün

Most Common Acti­vator

(UO2)2+ (Uranyl-Ion) spezifisch

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

triklin

Cell param­e­ters a (Å)

12.692

Cell param­e­ters b (Å)

25.096

Cell param­e­ters c (Å)

11.685

Cell param­e­ters a/b or c/a

0.506

Cell param­e­ters c/b

0.466

Cell param­e­ters α

89.8

Cell param­e­ters β

91.78

Cell param­e­ters γ

90.37

Z

4

Volumne (ų)

3719.994

X-Ray Pow­der Diffrac­tion

25.1(60),
6.141(80),
3.165(70),
2.728(90),
2.708(100),
1.582(80),
1.560(60),
1.556(70)

XRD chart Znucalite

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

Physical Properties

Hard­ness (Mohs)

1

Density (g/cm³)

3.01 - 3.1 / Durchschnittlich = 3.05

2.896 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {010}

Frac­ture

nicht genannt

Tenac­ity

zerbrechlich

Insta­bil­ity

+++ verdünnte Säuren

(Co-)Type locality

(Co-)Type locality

Tschechien/Mittelböhmen, Region (Stredocesky kraj)/Pribram, Bezirk/Pribram, Revier/Birkenberg (Brezove Hory), Erzrevier/Cernojamské/Lill-Schacht

Type mate­r­ial

National Museum, Prague; Charles University, Prague, Czech Republic

Preface

Name from

Zusammensetzung (Zn = Zink, U = Uran, Ca = Calcium)

Author (Name, Year)

Ondrus & Veselovsky & Rybka, 1990

References

Neues Jahrbuch für Mineralogie, Monatshefte (1990), 393

Chiappero, P.J. and H. Sarp (1993) Nouvelles donn ́ees sur la znucalite et seconde occurrence: Le Mas d’Alary, Lod`eve (Hérault, France). Archs Sci. Gen`eve, 46, 291–301 (in French with English abs.).

American Mineralogist 79 (1994), 1214

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

Znucalite

CaZn11(UO2)(CO3)3(OH)20·4H2O

5.ED.45

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

Roubaultite

Cu2(UO2)3(CO3)2O2(OH)2·4H2O

triklin : 1 : P1

V/F.03-010

Znucalite

CaZn11(UO2)(CO3)3(OH)20·4H2O

V/F.03-015

Voglite

Ca2Cu(UO2)(CO3)4·6H2O

V/F.03-020

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

Rabbittite

Ca3Mg3(UO2)2(CO3)6(OH)4·18H2O

5.ED.200

Albrechtschraufite

MgCa4F2[UO2(CO3)3]2·17-18H2O

triklin : 1 : P1

5.ED.240

Znucalite

CaZn11(UO2)(CO3)3(OH)20·4H2O

5.ED.280

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Sharpite

Ca(UO2)6(CO3)5(OH)4·6H2O

16b.07.10.01

Albrechtschraufite

MgCa4F2[UO2(CO3)3]2·17-18H2O

triklin : 1 : P1

16b.07.11.01

Kambaldaite

NaNi4(CO3)3(OH)3·3H2O

hexagonal : 6 : P63

16b.07.12.01

Roubaultite

Cu2(UO2)3(CO3)2O2(OH)2·4H2O

triklin : 1 : P1

16b.07.13.01

Znucalite

CaZn11(UO2)(CO3)3(OH)20·4H2O

16b.07.14.01

Szymańskiite

Hg161+(Ni,Mg)6(CO3)12(OH)12(H3O8)·3H2O

hexagonal : 6 : P63

16b.07.15.01

Other languages

German

Znucalit

Spanish

Znucalita

English

Znucalite

French

Znucalite

IMA Number

IMA 1989-033

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

German pages

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

English pages

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

German pages

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Locations with GPS information




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