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Creedite

Pictures (78 Images total)

Creedit
Views (File:
1315815071
): 1998
Creedit
Größe: 7,74 mm; Fundort: Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Mexiko/Chihuahua/Aquiles Serdán, Municipio/Santa Eulalia
Mineral: Creedite
Image: 1315815071
Rating: 8.67 (votes: 3)
License: Usage for Mineralienatlas project only
Creedit

Größe: 7,74 mm; Fundort: Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-12
Locality: Santa Eulalia / Aquiles Serdán, Municipio / Chihuahua / Mexiko
Creedit und Fluorit
Views (File:
1268054416
): 2212
Creedit und Fluorit
Größe: 94x89x71 mm; Fundort: Mina Navidad, Abasolo, Rodeo, Municipio Rodeo, Durango, Mexiko
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: Mexiko/Durango/Rodeo, Municipio/Rodeo/Abasolo/Mina Navidad
Mineral: Creedite
Image: 1268054416
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Creedit und Fluorit

Größe: 94x89x71 mm; Fundort: Mina Navidad, Abasolo, Rodeo, Municipio Rodeo, Durango, Mexiko

Copyright: Rob Lavinsky
Contribution: slugslayer 2010-03-08
Locality: Mina Navidad / Abasolo / Rodeo / Rodeo, Municipio / Durango / Mexiko
Creedit
Views (File:
1306569162
): 1143
Creedit
Größe: 10,3 x 7,3 x 3,5 cm; Fundort: Dachang Mine, Kreis Qinglong, Autonomer Bezirk Qianxinan, Provinz Guizhou, China
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: China/Guizhou, Provinz/Qianxinan, autonomer Bezirk/Qinglong, Kreis/Dachang Sb-Erzfeld/Qinglong Mine (Dachang Mine)
Mineral: Creedite
Image: 1306569162
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Creedit

Größe: 10,3 x 7,3 x 3,5 cm; Fundort: Dachang Mine, Kreis Qinglong, Autonomer Bezirk Qianxinan, Provinz Guizhou, China

Copyright: Rob Lavinsky
Contribution: slugslayer 2011-05-28
Locality: Qinglong Mine (Dachang Mine) / Dachang Sb-Erzfeld / Qinglong, Kreis / Qianxinan, autonomer Bezirk / Guizhou, Provinz / China
Creedit
Views (File:
1314862466
): 3170
Creedit
Größe: 4,62 mm; Fundort: Navidad Mine, Rodeo, Mun. de Rodeo, Durango, Mexico
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Mexiko/Durango/Rodeo, Municipio/Rodeo/Abasolo/Mina Navidad
Mineral: Creedite
Image: 1314862466
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Creedit

Größe: 4,62 mm; Fundort: Navidad Mine, Rodeo, Mun. de Rodeo, Durango, Mexico

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-01
Locality: Mina Navidad / Abasolo / Rodeo / Rodeo, Municipio / Durango / Mexiko
Fluorit
Views (File:
1361427722
): 868
Fluorit
Fluorit auf Creedit; Größe: 55x47x40 mm; Fundort: Mina Navidad, Rodeo, Durango, Mexiko
Copyright: slugslayer; Contribution: slugslayer
Location: Mexiko/Durango/Rodeo, Municipio/Rodeo/Abasolo/Mina Navidad
Mineral: Creedite
Image: 1361427722
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Fluorit

Fluorit auf Creedit; Größe: 55x47x40 mm; Fundort: Mina Navidad, Rodeo, Durango, Mexiko

Copyright: slugslayer
Contribution: slugslayer 2013-02-21
Locality: Mina Navidad / Abasolo / Rodeo / Rodeo, Municipio / Durango / Mexiko
Creedite
Views (File:
1554231956
): 722
Creedite
Perfect quality, very rare and old specimen of purple creedite, from Akchatau Mine, Akchatau, Shet, Karaganda Region, Kazakhstan; Dimensions: 60 mm x 41 mm x 25 mm
Copyright: pegmatite; Contribution: pegmatite
Location: Kasachstan/Qaraghandy, Oblysy (Karaganda)/Akchatau (Aqshatau; Akcatau; Akschatau)
Mineral: Creedite
Image: 1554231956
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Creedite

Perfect quality, very rare and old specimen of purple creedite, from Akchatau Mine, Akchatau, Shet, Karaganda Region, Kazakhstan; Dimensions: 60 mm x 41 mm x 25 mm

Copyright: pegmatite
Contribution: pegmatite 2019-04-02
Locality: Akchatau (Aqshatau; Akcatau; Akschatau) / Qaraghandy, Oblysy (Karaganda) / Kasachstan

You find additional specimen at the Geolitho Museum

Collectors Summary

Color farblos, weiß, gelblich, rosaviolett.
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 4
Solubility ++ Säuren, Detergentien!
Crystal System monoklin, C2/c
Morphology prismatisch bis nadelig, radialstrahlige bis kugelige Aggregate; körnig, drusig, derb.

Chemism

Chemical formula

Ca3Al2(SO4)(F,OH)10·2H2O

Chemical composition

Aluminium, Calcium, Fluor, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 491.298611275 u; Number of atoms in the formula: 28.5

Info

Empirical formula:

Ca3Al2(SO4)(F0.75(OH)0.25)10·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.33

6.5

22.81

1.0079470

6.5516555

Oxygen

O

27.68

8.5

29.82

15.9994300

135.9951550

Fluorine

F

29.00

7.5

26.32

18.9984033

142.4880244

Aluminium

Al

10.98

2

7.02

26.9815382

53.9630764

Sulfur

S

6.53

1

3.51

32.0655000

32.0655000

Calcium

Ca

24.47

3

10.53

40.0784000

120.2352000

Strunz 9th edition incl. updates

3.CG.15

3: Halide (Fluoride, Chloride, Bromide, Iodide)
C: Komplexe Halogenide
G: Aluminofluoride mit CO3, SO4, PO4
15:Creedit-Gruppe

Lapis Classification

III/C.01-040

III: HALOGENIDE (Fluoride, Chloride, Bromide, Jodide)
C: Doppelhalogenide (meist mit OH,H2O)
1: Fluoride

Classification by Hölzel

3.DH.200

3: HALIDES
D: Complex Halides
H: With CO3,SO4,PO4

Dana 8th edition

12.01.04.01

12: Compound Halides
01: Compound Halides with miscellaneous anions

IMA status

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

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, weiß, gelblich, rosaviolett.

Streak color

weiß

Lustre

Glasglanz

max. Birefringence

0.024

Birefringence chart\! Creedite title=Birefringence chart Creedite

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

1.461

RI value β

1.478

RI value γ / ε

1.485

Ri mean

1.475

2V angle

Biaxial (-) 64°

Optical Data Luminescence

Color LW-UV (365nm)

 

gelblich weiß

Color SW-UV (254nm)

 

bläulich weiß

Color SW-UV Afterglow (254nm)

 

bläulich weiß

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

13.936

Cell parameters b (Å)

8.606

Cell parameters c (Å)

9.985

Cell parameters a/b or c/a

1.619

Cell parameters c/b

1.160

Cell parameters α

90°

Cell parameters β

94.38

Cell parameters γ

90°

Z

4

Volume (ų)

1194.036

X-Ray Powder Diffraction

7.3(90),
6.9(90),
5.79(80),
3.92(90),
3.67(70),
3.48(100),
3.27(70),
3.07(80)

XRD chart Creedite

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

Morphology

prismatisch bis nadelig, radialstrahlige bis kugelige Aggregate; körnig, drusig, derb.

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4

VHN (Hardness Vickers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.72

2.733 ( ρ calc. Mineralienatlas )

Radioactivity

nicht bekannt

Instability

++ Säuren, Detergentien!

Preface

Occurrences

Creedit ist ein Mineral hydrothermaler Gänge. Zu seiner Bildung sind offensichtlich hohe Fluor-Partialdrücke bei gleichzeitiger Sulfatführung der Lösungen nötig, wie es eher selten verwirklicht ist.

Associations

Fluorit

Rareness

lt. Lapis-Mineralienverzeichnis - + -.

Author (Name, Year)

Larsen & Wells, 1916

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 166

Other languages

Dutch

Creediet

German

Creedit

Spanish

Creedita

English

Creedite

French

Creedite

Russian

Кридит

Japanese

クリード石

Traditional Chinese

氟鋁石膏

Simplified Chinese

氟铝石膏

Simplified Chinese

铝氟石膏

Alternative Name

German

Belijankit

German

Belyankit

Spanish

Belyankita

Belyankite

Creadite

CNMNC symbol

Symbol

Cee

Locations with GPS information

IDs

GUSID (Global unique identifier short form) fq3ywTQN8ki9YJyuAA6BxQ
GUID (Global unique identifier) C1F2AD7E-0D34-48F2-BD60-9CAE000E81C5
Database ID 836