https://www.mineraliengrosshandel.com
https://www.mineral-bosse.de
https://www.edelsteine-neuburg.de
http://www.spessartit.de/walldorf.html
https://www.mineralbox.biz
'._('einklappen').'
 

Cadwaladerite (Cadwaladerit)

Pictures (2 Images total)

Cadwaladerit
Views (File:
1579109612
): 346
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
): 171
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

You find additional Cadwaladerit 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

-

Volumne (ų)

7783.581

Physical Properties

Density (g/cm³)

1.66 (gemessen)

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Chile/Tarapacá, Region (I. Region)/Iquique, Provinz/Cerros Los Pintados

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