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Wheatleyite (Wheatleyit)

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Wheatleyit
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Wheatleyit
massiges Aggregat von Wheatleyit, Wheatley-Mines, Phoenixville, Pennsylvania, USA; BB < 1 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: USA/Pennsylvania/Chester Co./Phoenixville Mining District/Wheatley Mines
Mineral: Wheatleyite
Image: 1575649896
License: Usage for Mineralienatlas project only
Wheatleyit

massiges Aggregat von Wheatleyit, Wheatley-Mines, Phoenixville, Pennsylvania, USA; BB < 1 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2019-12-06
Locality: Wheatley Mines / Phoenixville Mining District / Chester Co. / Pennsylvania / USA

Collectors Summary

Color blau
Streak color hellblau
Hardness (Mohs) 1.5
Solubility +++ H2O, HCl
Crystal System triklin, P1

Chemism

Chemical formula

Na2Cu(C2O4)2·2H2O

Chemical composition

Kupfer, Natrium, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 321.5950484 u; Number of atoms in the formula: 21

Info

Empirical formula:

Na2Cu(C2O4)2·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.25

4

19.05

1.0079470

4.0317880

Carbon

C

14.94

4

19.05

12.0107800

48.0431200

Oxygen

O

49.75

10

47.62

15.9994300

159.9943000

Sodium

Na

14.30

2

9.52

22.9897702

45.9795404

Copper

Cu

19.76

1

4.76

63.5463000

63.5463000

Analysis wt%

CuO : 24.73, Na2O : 19.27, C2O3 : 44.79, H2O : 11.21 (Ref: American Mineralogist 86)

Strunz 9th edition incl. updates

10.AB.30

10: Organische Verbindungen
A: Salze organischer Säuren
B: Oxalate
30:Wheatleyit-Gruppe

Lapis Classification

IX/A.01-100

IX: ORGANISCHE VERBINDUNGEN
A: Salze organischer Säuren
1: Oxalate [C2O4] 2-

Classification by Hölzel

A.AA.360

A: ORGANIC COMPLEXES
A: Carbonacids and their Salts
A: Oxalates

Dana 8th edition

50.01.08.01

50: Organic Minerals
01: Salts of Organic Acids (Oxalates)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

blau

Streak color

hellblau

Diaphaneity (Transparency)

transparent

max. Birefringence

0.267

Birefringence chart\! Wheatleyite title=Birefringence chart Wheatleyite

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

1.400

RI value β

1.499

RI value γ / ε

1.667

Ri mean

1.522

2V angle

Biaxial (+) 83°

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

7.559

Cell parameters b (Å)

9.665

Cell parameters c (Å)

3.589

Cell parameters a/b or c/a

0.782

Cell parameters c/b

0.371

Cell parameters α

76.65

Cell parameters β

103.67

Cell parameters γ

109.10

Z

1

Volume (ų)

237.36

X-Ray Powder Diffraction

7.045(80),
6.539(100),
3.655(50),
3.169(90),
2.799(40),
2.538(30),
2.497(30),
2.344(30)

XRD chart Wheatleyite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

1.5

VHN (Hardness Vickers)

18 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.27

2.25 ( ρ calc. Mineralienatlas )

Instability

+++ H2O, HCl

Preface

Author (Name, Year)

Rouse & Peacor & Dunn & Simmons & Newbury, 1986

References

American Mineralogist 71 (1986), 1240

Other languages

German

Wheatleyit

Spanish

Wheatleyita

French

Wheatleyite

English

Wheatleyite

CNMNC (IMA)-Number

IMA 1984-040

CNMNC symbol

Symbol

Wty

Locations with GPS information

IDs

GUSID (Global unique identifier short form) UkZoFwz2bEuDJa1tCO4Jew
GUID (Global unique identifier) 17684652-F60C-4B6C-8325-AD6D08EE097B
Database ID 4153