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

Kribergite (Kribergit)

Additional Functions

Collectors Summary

Color weiß
Streak color weiß
Solubility +++ Säuren
Crystal System triklin, P1, P1

Chemism

Chemical formula

Al5(PO4)3(SO4)(OH)4·2H2O

Chemical composition

Aluminium, Phosphor, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 619.9455106 u; Number of atoms in the formula: 39

Info

Empirical formula:

Al5(PO4)3(SO4)(OH)4·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.30

8

20.51

1.0079470

8.0635760
Oxygen

O

56.78

22

56.41

15.9994300

351.9874600
Aluminium

Al

21.76

5

12.82

26.9815382

134.9076910
Phosphorus

P

14.99

3

7.69

30.9737612

92.9212836
Sulfur

S

5.17

1

2.56

32.0655000

32.0655000

Analysis wt%

Al2O3 : 38.45, SO3 : 13.05, P2O5 : 31.27, H2O : 17.22 (Ref: Geologiska Föreningens i Stockholm 45)

Strunz 9th edition incl. updates

8.DC.52

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
C: Mit ausschließlich mittelgroßen [Kationen], (OH, etc.):RO4 = 1:1 und < 2:1
52:Kribergit-Gruppe

Lapis Classification

VII/D.12-040

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
D: Wasserhaltige Phosphate, mit fremden Anionen
12: Mittelgroße Kationen: Cu-Zn-Mn-Al-Fe

Classification by Hölzel

8.DC.760

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
C: Phosphates, Valency for mediumsized Cations: 3
7: With other complex Anions, OH/XO4=1/2,1/1 Zykait-Group

Dana 8th edition

43.05.07.01

43: Compound Phosphates, etc.
05: Compound Phosphates, etc. (Hydrated Compound Anions With Hydroxyl or Halogen)

IMA status

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

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß

Streak color

weiß

max. Birefringence

0.002
Birefringence chart\! Kribergite title=Birefringence chart Kribergite

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

1.483

RI value β

1.484

RI value γ / ε

1.485

Ri mean

1.484

2V angle

Biaxial (+)-lg

Crystallography

Crystal System

triklin

Class (H-M)

1, 1

Space Group number

1, 2

Space Group

P1, P1

Cell parameters a (Å)

18.126

Cell parameters b (Å)

13.519

Cell parameters c (Å)

7.500

Cell parameters a/b or c/a

1.341

Cell parameters c/b

0.555

Cell parameters α

70.50

Cell parameters β

117.87

Cell parameters γ

136.58

Z

2

Volumne (ų)

1116.653

X-Ray Powder Diffraction

11.57(100),
6.62(20),
5.85(10),
5.72(10),
5.37(10),
5.02(20),
2.930(10),
2.863(10)
XRD chart Kribergite

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

Physical Properties

Density (g/cm³)

1.92 (gemessen)

1.844 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Schweden/Västerbotten, Provinz/Lycksele/Kristineberg

Preface

Occurrences

Kristineberg Grube, Lycksele, Lappland, Schweden.

Author (Name, Year)

du Rietz, 1945

References

Handbook of Mineralogy (Anthony et al.), 4 (2000), 297

Other languages

German

Kribergit

Spanish

Kribergita

English

Kribergite

French

Kribergite

Russian

Крибергит

CNMNC symbol

Symbol

Kbg