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Zinczippeite (IMA 1971-008)

Pictures (2 Images total)

Zinkzippeit, Natrozippeit
Views (File:
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Zinkzippeit, Natrozippeit
gelber pulvriger Natrozippeit mit gelb-orangen Zinkzippeit-Kristallen (PXRD und EMPA-WDS analysiert), Begleitminerale Gips und Uraninit, Bildbreite: 4 mm, Fundort: Banska Stiavnica, Banska Bystrica, Slowakei
Copyright: Martin Stevko; Contribution: thdun5
Location: Slowakei/Banskobystrický kraj/Banská Štiavnica, Okres/Banská Štiavnica (Schemnitz)
Mineral: Natrozippeite, Zinczippeite
Image: 1377862174
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Zinkzippeit, Natrozippeit

gelber pulvriger Natrozippeit mit gelb-orangen Zinkzippeit-Kristallen (PXRD und EMPA-WDS analysiert), Begleitminerale Gips und Uraninit, Bildbreite: 4 mm, Fundort: Banska Stiavnica, Banska Bystrica...

Copyright: Martin Stevko
Contribution: thdun5 2013-08-30
Locality: Banská Štiavnica (Schemnitz) / Banská Štiavnica, Okres / Banskobystrický kraj / Slowakei
Natrozippeit, Zinkzippeit
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1377861413
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Natrozippeit, Zinkzippeit
Natrozippeit (gelb) mit Zinkzippeit (orange) neben klaren Gipskristallen (PXRD und EMPA-WDS analysiert), Bildbreite: 6 mm, Fundort: Banska Stiavnica, Banska Bystrica, Slowakei
Copyright: Martin Stevko; Contribution: thdun5
Location: Slowakei/Banskobystrický kraj/Banská Štiavnica, Okres/Banská Štiavnica (Schemnitz)
Mineral: Natrozippeite, Zinczippeite
Image: 1377861413
License: Usage for Mineralienatlas project only
Natrozippeit, Zinkzippeit

Natrozippeit (gelb) mit Zinkzippeit (orange) neben klaren Gipskristallen (PXRD und EMPA-WDS analysiert), Bildbreite: 6 mm, Fundort: Banska Stiavnica, Banska Bystrica, Slowakei

Copyright: Martin Stevko
Contribution: thdun5 2013-08-30
Locality: Banská Štiavnica (Schemnitz) / Banská Štiavnica, Okres / Banskobystrický kraj / Slowakei

Collectors Summary

Color gelb
Streak color blassgelb
Hardness (Mohs) 2
Solubility +++ Säuren
Crystal System monoklin, C2/m

Chemism

Chemical formula

Zn(UO2)2(SO4)O2·3.5H2O

Chemical composition

Zink, Sauerstoff, Schwefel, Uran, Wasserstoff

Unit weight: 796.58066 u; Number of atoms in the formula: 24.5

Info

Empirical formula:

Zn(UO2)2(SO4)O2·3.5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.89

7

28.57

1.0079470

7.0556290

Oxygen

O

27.11

13.5

55.10

15.9994300

215.9923050

Sulfur

S

4.03

1

4.08

32.0655000

32.0655000

Zinc

Zn

8.21

1

4.08

65.4094000

65.4094000

Uranium

U

59.76

2

8.16

238.0289130

476.0578260

Analysis wt%

ZnO : 3.40, MgO : 0.87, UO3 : 69.10, SO3 : 9.69, H2O : 14.26 (Ref: Canadian Mineralogist 76)

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

Lapis Classification

VI/D.20-070

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
20: Uranylsulfate [UO2] 2+ – [SO4] 2-

Classification by Hölzel

7.ED.150

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
E: Uranyl-Sulfates
D: Uranyl-Sulfates (+Anions +Water)

Dana 8th edition

31.10.04.05

31: Hydrated Sulfates Containing Hydroxyl or Halogen
10: Hydrated Sulfates Containing Hydroxyl or Halogen miscellaneous
04: Zippeite Group

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Zippeite group

Optical Properties

Color

gelb

Streak color

blassgelb

Diaphaneity (Transparency)

durchscheinend

max. Birefringence

0.09

Birefringence chart\! Zinczippeite title=Birefringence chart Zinczippeite

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

1.700 - 1.715

RI value β

1.750 - 1.763

RI value γ / ε

1.7

Ri mean

1.725

2V angle

Biaxial (-) 80°

Pleochroism

X = farblos; Y = blassgelb, Z = gelb

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

12

Space Group

C2/m

Cell parameters a (Å)

8.6437

Cell parameters b (Å)

14.1664

Cell parameters c (Å)

17.701

Cell parameters a/b or c/a

0.61

Cell parameters c/b

1.25

Cell parameters α

90°

Cell parameters β

104.041°

Cell parameters γ

90°

Z

8

Volume (ų)

2102.73

X-Ray Powder Diffraction

9.62(30),
7.08(100),
4.84(10),
3.54(50),
3.44(30),
3.100(30),
2.467(10),
1.943(10)

XRD chart Zinczippeite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2

VHN (Hardness Vickers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

5.032 (berechnet)

5.032 ( ρ calc. Mineralienatlas )

Radioactivity

ja

Instability

+++ Säuren

Preface

Author (Name, Year)

Frondel & Ito & Honea & Weeks, 1976

Safety Instructions

Industrial chemicals are often present in powder form and therefore often contain much higher dangers than natural, crystalline substances. These hazard statements refer to the classification of industrially used chemical compounds that may also occur in this natural mineral. The hazard classification makes no claim to completeness.




Safety classes: Ionizing radiation: Radioaktiv

References

Canadian Mineralogist 14 (1976), 429.

Mineralogical Magazine 43 (1979), 539.

Burns, P. C.et al. - The crystal chemistry of the zippeite group.- Canadian Mineralogist 41 (2003), 687-706 http://rruff.geo.arizona.edu/doclib/cm/vol41/CM41_687.pdf

Burns, P.C. U 6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist (2005) 43, 1839-1894.

Tidying up mineral names: an IMA-CNMNC scheme for suffixes, hyphens and diacritical marks: Mineral. Record, 39 (2008), 131-135

IMA group assignments

Other languages

Spanish

Cincozippeíta

English

Zinczippeite

German

Zinkzippeit

Russian

Цинк-циппеит

old name

French

Zinc-Zippeite

English

Zinc-zippeite

German

Zink-Zippeit

CNMNC (IMA)-Number

IMA 1971-008

CNMNC symbol

Symbol

Zzip

Locations with GPS information

IDs

GUSID (Global unique identifier short form) wWwFymK03kmE3qMxTnC_2A
GUID (Global unique identifier) CA056CC1-B462-49DE-84DE-A3314E70BFD8
Database ID 4289