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Dietrichite (Dietrichit)

Pictures (1 Images total)

Dietrichit mit Zinkocopiapit
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Dietrichit mit Zinkocopiapit
weiße nadelige Kristalle von Dietrichit neben gelbem Zinkocopiapit, Muzhijevo, Berehove, Berehivskyi, Zakarpattia, Ukraine; BB ~ 1 cm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Ukraine/Transkarpatien, Oblast/Berehowe, Rajon/Berehowe/Muzhievo Goldlagerstätte
Mineral: Dietrichite, Zincocopiapite
Image: 1589914157
License: Usage for Mineralienatlas project only
Dietrichit mit Zinkocopiapit

weiße nadelige Kristalle von Dietrichit neben gelbem Zinkocopiapit, Muzhijevo, Berehove, Berehivskyi, Zakarpattia, Ukraine; BB 1 cm, analysiert
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-05-19
Locality: Muzhievo Goldlagerstätte / Berehowe / Berehowe, Rajon / Transkarpatien, Oblast / Ukraine

Collectors Summary

Color bräunlichgelb, grauweiß
Streak color weiß
Hardness (Mohs) 2
Solubility +++ H2O
Crystal System monoklin, P21/c

Chemism

Chemical formula

(Zn,Fe2+,Mn)Al2(SO4)4·22H2O

Chemical composition

Aluminium, Eisen, Mangan, Zink, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 896.04608939 u; Number of atoms in the formula: 89

Info

Empirical formula:

(Zn0.6Fe0.3Mn0.1)Al2(SO4)4·22H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

4.95

44

49.44

1.0079470

44.3496680
Oxygen

O

67.85

38

42.70

15.9994300

607.9783400
Aluminium

Al

6.02

2

2.25

26.9815382

53.9630764
Sulfur

S

14.31

4

4.49

32.0655000

128.2620000
Manganese

Mn

0.61

0.1

0.11

54.9380499

5.4938050
Iron

Fe

1.87

0.3

0.34

55.8452000

16.7535600
Zinc

Zn

4.38

0.6

0.67

65.4094000

39.2456400

Analysis wt%

FeO : 3.11, MnO : 1.74, ZnO : 3.70, Al2O3 : 10.92, SO3 : 35.94, H2O : 44.38 (Ref: Dana, 7th ed. 2)

Strunz 9th edition incl. updates

7.CB.85

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

Lapis Classification

VI/C.12-040

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
C: Wasserhaltige Sulfate, ohne fremde Anionen
12: Mittelgroße und sehr große Kationen; Halotrichit-Gruppe

Classification by Hölzel

7.CD.210

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
D: Sulfates, C medium + large
2: Halotrichite-Group

Dana 8th edition

29.07.03.04

29: Hydrated Acid and Sulfates
07: Hydrated Acid and Sulfates where A (B)2 (XO4)4 · x(H2O)
03: Halotrichite Group (Monoclinic with 22 H2O)

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

bräunlichgelb, grauweiß

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.013
Birefringence chart\! Dietrichite title=Birefringence chart Dietrichite

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

1.475

RI value β

1.480

RI value γ / ε

1.488

Ri mean

1.481

2V angle

Biaxial (+) 70°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

6.240

Cell parameters b (Å)

24.434

Cell parameters c (Å)

21.379

Cell parameters a/b or c/a

0.255

Cell parameters c/b

0.875

Cell parameters α

90°

Cell parameters β

100.10

Cell parameters γ

90°

Z

4

Volumne (ų)

3209.103

X-Ray Powder Diffraction

4.99(30),
4.84(40),
4.33(100),
4.20(20),
4.15(30),
3.52(100),
2.737(20),
1.877(30)
XRD chart Dietrichite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2

VHN (Hardness Vickers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

1.8

1.855 ( ρ calc. Mineralienatlas )

Instability

+++ H2O

(Co-)Type locality

(Co-)Type locality

Rumänien/Maramures, Kreis/Baia Sprie (Felsöbánya)/Mina Baia Sprie (Felsöbánya Mine)

Preface

Author (Name, Year)

von Schröckinger, 1878

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 186

Other languages

German

Dietrichit

Spanish

Dietrichita

English

Dietrichite

French

Dietrichite

Russian

Дитрихит

CNMNC symbol

Symbol

Dtr

Locations with GPS information