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Cadwaladerite

Pictures (3 Images total)

Cadwaladerit
Views (File:
1579109612
): 366
Cadwaladerit
gelbe Kristallgruppe von Cadwaladerit, Maria Mine, Caleta Vítor, Arica y Parinacota, Chile; BB ~ 1 mm
Copyright: Joy Desor; Contribution: openpit
Location: Chile/Arica y Parinacota, Region (XV. Region)/Arica, Provinz/Caleta Vítor District/Maria Mine
Mineral: Cadwaladerite
Image: 1579109612
License: Usage for Mineralienatlas project only
Cadwaladerit

gelbe Kristallgruppe von Cadwaladerit, Maria Mine, Caleta Vítor, Arica y Parinacota, Chile; BB 1 mm

Copyright: Joy Desor
Contribution: openpit 2020-01-15
Locality: Maria Mine / Caleta Vítor District / Arica, Provinz / Arica y Parinacota, Region (XV. Region) / Chile
kugeliger gelber Cadwaladerit
Views (File:
1606740605
): 189
kugeliger gelber Cadwaladerit
Chile/Arica y Parinacota, Region (XV. Region)/Arica, Provinz/Caleta Vítor District/Maria Mine, BB = 5,0 mm
Copyright: husi; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A043145, Donator: anatase2
Location: Chile/Arica y Parinacota, Region (XV. Region)/Arica, Provinz/Caleta Vítor District/Maria Mine
Mineral: Cadwaladerite
Image: 1606740605
License: Usage for Mineralienatlas project only
kugeliger gelber Cadwaladerit (SNr: A043145)

Chile/Arica y Parinacota, Region (XV. Region)/Arica, Provinz/Caleta Vítor District/Maria Mine, BB = 5,0 mm

Collection: Lithothek der Münchener Micromounter
Copyright: husi
Contribution: Münchener Micromounter 2020-11-30
Locality: Maria Mine / Caleta Vítor District / Arica, Provinz / Arica y Parinacota, Region (XV. Region) / Chile
Cadwaladerit
Views (File:
1704131522
): 25
Cadwaladerit
Massige Aggregate aus zitronengelben Cadwaladerit-Mikrokristallen (ohne Maßstab), FO: Maria Mine, Caleta Vítor District, Arica & Parinacota Region, Chile.
Copyright: Wikipedia-user: David Hospital; Contribution: oliverOliver
Location: Chile/Arica y Parinacota, Region (XV. Region)/Arica, Provinz/Caleta Vítor District/Maria Mine
Mineral: Cadwaladerite
Image: 1704131522
License: Creative Commons - Attribution-ShareAlike 4.0 International  (CC BY-SA) V.4.0
Cadwaladerit

Massige Aggregate aus zitronengelben Cadwaladerit-Mikrokristallen (ohne Maßstab), FO: Maria Mine, Caleta Vítor District, Arica & Parinacota Region, Chile.

Copyright: Wikipedia-user: David Hospital
Contribution: oliverOliver 2024-01-01
Locality: Maria Mine / Caleta Vítor District / Arica, Provinz / Arica y Parinacota, Region (XV. Region) / Chile

You find additional specimen at the Geolitho Museum

Collectors Summary

Color zitronengelb
Solubility +++ Säuren
Crystal System kubisch, Im3m

Chemism

Chemical formula

Al2(H2O)(OH)4·n(Cl,OH,H2O)

Additional chem. information

IMA 18-H Redefinition: Al5(H2O)3(OH)12·n(Cl,H2O)

Chemical composition

Aluminium, Chlor, Sauerstoff, Wasserstoff

Unit weight: 184.3973655 u; Number of atoms in the formula: 17.2

Info

Empirical formula:

Al2(H2O)(OH)4·n(Cl0.6(OH)0.3(H2O)0.1)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

4.54

8.3

48.26

1.0079470

8.3659601

Oxygen

O

54.66

6.3

36.63

15.9994300

100.7964090

Aluminium

Al

29.26

2

11.63

26.9815382

53.9630764

Chlorine

Cl

11.54

0.6

3.49

35.4532000

21.2719200

Strunz 9th edition incl. updates

3.BD.05

3: Halide (Fluoride, Chloride, Bromide, Iodide)
B: Einfache Halogenide mit H2O
D: Einfache Halide mit H2O und zusätzlichem OH
05:Cadwaladerit-Gruppe

Lapis Classification

III/A.13-010

III: HALOGENIDE (Fluoride, Chloride, Bromide, Jodide)
A: Einfache Halogenide
13: Wasserhaltig, Metall : Halogen = 1:1 bis 1:3

Classification by Hölzel

3.CC.250

3: HALIDES
C: Simple Halides with (O,OH)
C: With OH and H2O

IMA status

Nach Redefinition anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

zitronengelb

RI value α / ω / n

1.513

Ri mean

1.513

2V angle

Isotropisch

Crystallography

Crystal System

kubisch

Space Group

Im3m

Cell parameters a (Å)

19.818 bis 1

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

-

Cell parameters β

-

Cell parameters γ

-

Z

-

Volume (ų)

7783.581

Physical Properties

Density (g/cm³)

1.66 (gemessen)

Instability

+++ Säuren

Preface

Author (Name, Year)

Gordon, 1941

References

Handbook of Mineralogy (Anthony et al.), 3 (1997), 88

Ritsuro Miyawaki, Frédéric Hatert, Marco Pasero, Stuart J. Mills: IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 49. In: Mineralogical Magazine. Band 83, 2019, S. 479–483 (PDF-Datei)

Ronald C. Peterson; Mallory Metcalf ; Anthony R. Kampf; Reynaldo R. Contreira Filho; Joel Reid; Brian Joy: Cadwaladerite, Al2(H2O)(OH)4•n(Cl,OH–, H2O), from Cerros Pintados, Chile, defined as a valid mineral species and the discreditation of lesukite. The Canadian Mineralogist Vol. 57, Nr. 6 (2019) S. 827-841.

Other languages

German

Cadwaladerit

Spanish

Cadwaladerita

English

Cadwaladerite

French

Cadwaladerite

CNMNC symbol

Symbol

Cwd

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 91DNNyxut06uBSqrd1YcrQ
GUID (Global unique identifier) 37CD50F7-6E2C-4EB7-AE05-2AAB77561CAD
Database ID 551