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Chvaleticeite

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Chvaleticeit
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Chvaleticeit
erdige Masse von Chvaleticeit, Chvaletice, Pardubice, Tschechische Republik; BB
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Tschechien/Pardubice (Pardubický kraj)/Pardubitz (Pardubice), Bezirk/Chwaletitz (Chvaletice)
Mineral: Chvaleticeite
Image: 1586374798
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Chvaleticeit

erdige Masse von Chvaleticeit, Chvaletice, Pardubice, Tschechische Republik; BB

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-04-08
Locality: Chwaletitz (Chvaletice) / Pardubitz (Pardubice), Bezirk / Pardubice (Pardubický kraj) / Tschechien

Collectors Summary

Color weiß
Streak color weiß
Hardness (Mohs) 1.5
Solubility +++ H2O
Crystal System monoklin, C2/c

Chemism

Chemical formula

(Mn2+,Mg)SO4·6H2O

Chemical composition

Magnesium, Mangan, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 251.434966425 u; Number of atoms in the formula: 24

Info

Empirical formula:

(Mn0.75Mg0.25)SO4·6H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

4.81

12

50.00

1.0079470

12.0953640

Oxygen

O

63.63

10

41.67

15.9994300

159.9943000

Magnesium

Mg

2.42

0.25

1.04

24.3050600

6.0762650

Sulfur

S

12.75

1

4.17

32.0655000

32.0655000

Manganese

Mn

16.39

0.75

3.13

54.9380499

41.2035374

Analysis wt%

MnO : 15.81, MgO : 6.41, SO3 : 31.48, H2O : 45.59 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 86)

Strunz 9th edition incl. updates

7.CB.25

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
C: Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O
B: Mit ausschließlich mittelgroßen Kationen
25:Hexahydrit-Gruppe

Lapis Classification

VI/C.05-030

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
C: Wasserhaltige Sulfate, ohne fremde Anionen
5: Mittelgroße Kationen; Hexahydrit-Gruppe

Classification by Hölzel

7.CB.360

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
B: Vitriol-Group, Mg,Fe,Co,Ni,Mn,Cu,Zn-Sulfates with 4 to 7 Water
3: Hexahydrite-Group

Dana 8th edition

29.06.08.06

29: Hydrated Acid and Sulfates
06: Hydrated Acid and Sulfates where A XO4 · x(H2O)
08: Hexahydrite Group (Space Group: C2/c)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß

Streak color

weiß

max. Birefringence

0.049

Birefringence chart\! Chvaleticeite title=Birefringence chart Chvaleticeite

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

1.457

RI value γ / ε

1.506

2V angle

Biaxial

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

10.05

Cell parameters b (Å)

7.24

Cell parameters c (Å)

24.3

Cell parameters a/b or c/a

1.388

Cell parameters c/b

3.356

Cell parameters α

90°

Cell parameters β

90.0

Cell parameters γ

90°

Z

8

Volume (ų)

1768.117

X-Ray Powder Diffraction

5.45(80),
4.91(100),
4.47(80),
3.98(80),
3.69(50),
3.42(70),
3.25(80),
2.967(70)

XRD chart Chvaleticeite

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

Physical Properties

Hardness (Mohs)

1.5

VHN (Hardness Vickers)

18 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

1.84 (gemessen)

1.889 ( ρ calc. Mineralienatlas )

Instability

+++ H2O

Preface

Author (Name, Year)

Pasava & Bereiter & Huka & Korecky, 1986

References

Neues Jahrbuch für Mineralogie, Monatshefte (1986), 121

Other languages

German

Chvaleticeit

French

Chvaleticeite

English

Chvaleticeite

Spanish

Chvaleticeíta

Russian

Хвалетицеит

CNMNC (IMA)-Number

IMA 1984-059

CNMNC symbol

Symbol

Cva

Locations with GPS information

IDs

GUSID (Global unique identifier short form) zPUqW5JXRki6GvcH8sUO2w
GUID (Global unique identifier) 5B2AF5CC-5792-4846-BA1A-F707F2C50EDB
Database ID 762