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Calciocopiapite (Calciocopiapit)

Collectors Summary

Color graugelb
Streak color gelblichweiß
Solubility +++ Säuren
Crystal System triklin, P1

Chemism

Chemical formula

CaFe43+(SO4)6(OH)2·19 H2O

Chemical composition

Calcium, Eisen, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 1216.14443 u; Number of atoms in the formula: 96

Info

Empirical formula:

CaFe4(SO4)6(OH)2·19H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

3.32

40

41.67

1.0079470

40.3178800
Oxygen

O

59.20

45

46.88

15.9994300

719.9743500
Sulfur

S

15.82

6

6.25

32.0655000

192.3930000
Calcium

Ca

3.30

1

1.04

40.0784000

40.0784000
Iron

Fe

18.37

4

4.17

55.8452000

223.3808000

Analysis wt%

CaO : 4.85, Fe2O3 : 26.25, SO3 : 39.00, H2O : 29.30 (Ref: Doklady Akademiia Nauk, SSSR 62)

Strunz 9th edition incl. updates

7.DB.35

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
B: mit mittelgroßen Kationen; isolierte Oktaeder und begrenzte Einheiten
35:Copiapit-Gruppe

Lapis Classification

VI/D.10-030

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
10: Mittelgroße Kationen; Copiapit-Gruppe

Classification by Hölzel

7.DC.200

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
C: Copiapite-Group

Dana 8th edition

31.10.05.05

31: Hydrated Sulfates Containing Hydroxyl or Halogen
10: Hydrated Sulfates Containing Hydroxyl or Halogen miscellaneous
05: Copiapite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Copiapite group

Optical Properties

Color

graugelb

Streak color

gelblichweiß

2V angle

Biaxial

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

7.35

Cell parameters b (Å)

18.21

Cell parameters c (Å)

7.10

Cell parameters a/b or c/a

0.404

Cell parameters c/b

0.390

Cell parameters α

85.52

Cell parameters β

103.55

Cell parameters γ

100.62

Z

1

Volumne (ų)

907.407

X-Ray Powder Diffraction

3.458(90),
3.108(100),
3.027(100),
2.809(100),
1.860(100),
1.304(90),
1.267(90)
XRD chart Calciocopiapite

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

Crystals 3D

Open larger view

Physical Properties

Density (g/cm³)

2.23 (berechnet)

2.225 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Aserbaidschan/Dashkesan, Rayon/Kirovabad/Dashkesan Co-Fe-Lagerstätte

Preface

Author (Name, Year)

Kashkai & Aliev, 1960

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 100

IMA group assignments

Other languages

German

Calciocopiapit

Spanish

Calciocopiapita

English

Calciocopiapite

French

Calciocopiapite

Russian

Кальциокопиапит

Alternative Name

English

Tusiite

CNMNC symbol

Symbol

Ccpi

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 5kB71YoCmU2JRrU1-sXJDg
GUID (Global unique identifier) D57B40E6-028A-4D99-8946-B535FAC5C90E
Database ID 565