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Diaoyudaoite

Pictures (2 Images total)

Diaoyudaoit
Views (File:
1486198295
): 1509
Diaoyudaoit
Blass apfelgrüne Diaoyudaoit-Kügelchen mit Devillin und Brochantit von der Silberhütte, Lautenthal, Harz, Niedersachsen, Deutschland. Bildbreite 1,77 mm.
Copyright: Jan Hartmann; Contribution: raritätenjäger
Collection: raritätenjäger
Location: Deutschland/Niedersachsen/Goslar, Landkreis/Altenau/Silberhütte
Mineral: Diaoyudaoite
Image: 1486198295
License: Usage for Mineralienatlas project only
Diaoyudaoit

Blass apfelgrüne Diaoyudaoit-Kügelchen mit Devillin und Brochantit von der Silberhütte, Lautenthal, Harz, Niedersachsen, Deutschland. Bildbreite 1,77 mm.
Collection: raritätenjäger
Copyright: Jan Hartmann
Contribution: raritätenjäger 2017-02-04
Locality: Silberhütte / Altenau / Goslar, Landkreis / Niedersachsen / Deutschland
Diaoyudaoit
Views (File:
1703282309
): 42
Diaoyudaoit
Farbloser Diaoyudaoit (ohne Maßstab); FO: Port Elizabeth, Newark, Essex Co., New Jersey, USA (man beachte dazu die Eräuterungen auf https://www.mindat.org/loc-14038.html)
Copyright: Wikipedia-user: David Hospital; Contribution: oliverOliver
Location: USA/New Jersey/Essex Co./Newark/Newark Bay
Mineral: Diaoyudaoite
Image: 1703282309
License: Creative Commons - Attribution-ShareAlike 4.0 International  (CC BY-SA) V.4.0
Diaoyudaoit

Farbloser Diaoyudaoit (ohne Maßstab); FO: Port Elizabeth, Newark, Essex Co., New Jersey, USA (man beachte dazu die Eräuterungen auf https://www.mindat.org/loc-14038.html)
Copyright: Wikipedia-user: David Hospital
Contribution: oliverOliver 2023-12-22
Locality: Newark Bay / Newark / Essex Co. / New Jersey / USA

You find additional specimen at the Geolitho Museum

Collectors Summary

Color farblos, hellgrün
Streak color weiß
Hardness (Mohs) 7.5
Crystal System hexagonal, P63/mmc

Chemism

Chemical formula

NaAl11O17

Chemical composition

Aluminium, Natrium, Sauerstoff

Unit weight: 591.7770004 u; Number of atoms in the formula: 29

Info

Empirical formula:

NaAl11O17

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

45.96

17

58.62

15.9994300

271.9903100
Sodium

Na

3.88

1

3.45

22.9897702

22.9897702
Aluminium

Al

50.15

11

37.93

26.9815382

296.7969202

Analysis wt%

Ø Na2O : 4.54, Al2O3 : 93.00, Cr2O3 : 1.95 (Ref: Acta Mineralogica Sinica 86)

Strunz 9th edition incl. updates

4.CC.45

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
C: Metall: Sauerstoff = 2: 3,3: 5, und vergleichbare
C: Mit großen und mittelgroßen Kationen
45:Magnetoplumbit-Gruppe

Lapis Classification

IV/C.08-005

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)
8: Magnetoplumbit- Gruppe

Classification by Hölzel

4.CE.200

4: OXIDES
C: R2O3 Sesquioxides
E: Other complex Oxides, mostly hextrig
2: Hibonite-Magnetoplumbite-Group

Dana 8th edition

07.11.12.01

07: Multiple Oxides
11: Multiple Oxides as titano-oxides with [4] and [6] substitutions

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, hellgrün

Streak color

weiß

max. Birefringence

0.025
Birefringence chart\! Diaoyudaoite title=Birefringence chart Diaoyudaoite

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

1.688

RI value γ / ε

1.663

Ri mean

1.680

2V angle

Uniaxial (-)

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell parameters a (Å)

5.602

Cell parameters b (Å)

-

Cell parameters c (Å)

22.626

Cell parameters a/b or c/a

4.039

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

2

Volume (ų)

614.929

X-Ray Powder Diffraction

11.3(100),
5.62(40),
2.26(50),
2.24(60),
2.155(40),
2.050(60),
1.430(60),
1.404(80)
XRD chart Diaoyudaoite

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)

7.5

VHN (Hardness Vickers)

1393 (15g)

Density (g/cm³)

3.30 (gemessen)

3.196 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Japan/Kyūshū (Kyushu), Insel/Okinawa, Präfektur/Senkaku (Diaoyudao) Inseln

Preface

Author (Name, Year)

Shen & Chen & Li & Dong & Huang & Xu, 1986

References

Acta Mineralogica Sinica (in Chinese) 6 (3) (1986), 224

Other languages

German

Diaoyudaoit

English

Diaoyudaoite

French

Diaoyudaoite

Spanish

Diaoyudaoíta

Russian

Дяоюдаоит

Russian

Дяоюидаоит

CNMNC (IMA)-Number

IMA 1985-005

CNMNC symbol

Symbol

Dyd

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 3G_H-nS2EEi4l8-19J8Gkg
GUID (Global unique identifier) FAC76FDC-B674-4810-B897-CFB5F49F0692
Database ID 928