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Kalifersite (Kalifersit)

Pictures (1 Images total)

Kalifersit
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1580834016
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Kalifersit
strahlige Aggregate von Kalifersit, Centralnyi Mine, Rasvumchorr, Chibiny, Kola, Russland; BB ~ 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Rasvumchorr/Centralnyi Mine
Mineral: Kalifersite
Image: 1580834016
License: Usage for Mineralienatlas project only
Kalifersit

strahlige Aggregate von Kalifersit, Centralnyi Mine, Rasvumchorr, Chibiny, Kola, Russland; BB 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-04
Locality: Centralnyi Mine / Rasvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color gelb, blassrosa gelb, rosa
Streak color weiß
Hardness (Mohs) 2
Cleavages gut {100} und {010}
Fracture fasrig
Solubility +++ verdünnte Säuren
Crystal System triklin, P1

Chemism

Chemical formula

(K,Na)5Fe73+[(OH)3|Si10O25]2·12H2O

Chemical composition

Eisen, Natrium, Silicium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 2246.18252525 u; Number of atoms in the formula: 130

Info

Empirical formula:

(K0.75Na0.25)5Fe7[(OH)3Si10O25]2·12H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.35

30

23.08

1.0079470

30.2384100
Oxygen

O

48.44

68

52.31

15.9994300

1,087.9612400
Sodium

Na

1.28

1.25

0.96

22.9897702

28.7372128
Silicon

Si

25.01

20

15.38

28.0855300

561.7106000
Potassium

K

6.53

3.75

2.88

39.0983100

146.6186625
Iron

Fe

17.40

7

5.38

55.8452000

390.9164000

Analysis wt%

SiO2 : 55.39, Fe2O3 : 17.96, MnO : 2.38, MgO : 1.21, K2O : 7.71, Na2O : 1.98, H2O : 13.42 (Ref: European Journal of Mineralogy 98)

Strunz 9th edition incl. updates

9.EE.25

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
E: Einfache tetrahedrale Netze aus sechsfach-Ringen, verbunden über octahedrale Netze oder Bänder
25:Sepiolith-Gruppe

Lapis Classification

VIII/H.33-080

VIII: SILIKATE
H: Schichtsilikate
33: Schichtsilikate mit anderen Einfachschichten [Si6O15] 6- u.a.

Classification by Hölzel

9.EQ.160

9: SILICATES
E: Phyllosilicates
Q: Palygorskite-Sepiolite-Group

Dana 8th edition

74.03.01a.04

74: Phyllosilicates Phyllosilicate Modulated Layers
03: Phyllosilicates Phyllosilicate Modulated Layers with joined strips
01a: Palygorskite-sepiolite group (Palygorskite subgroup)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelb, blassrosa gelb, rosa

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.007
Birefringence chart\! Kalifersite title=Birefringence chart Kalifersite

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

1.523

RI value β

1.525

RI value γ / ε

1.550

Ri mean

1.533

2V angle

Biaxial (+) 30°

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

14.86

Cell parameters b (Å)

20.54

Cell parameters c (Å)

5.29

Cell parameters a/b or c/a

0.723

Cell parameters c/b

0.258

Cell parameters α

95.60

Cell parameters β

92.30

Cell parameters γ

94.40

Z

1

Volumne (ų)

1600.349

X-Ray Powder Diffraction

12.4(100),
11.6(40),
10.2(10),
7.68(10),
4.397(10),
3.411(40),
3.281(10),
2.896(10)
XRD chart Kalifersite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2

VHN (Hardness Vickers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.42

2.331 ( ρ calc. Mineralienatlas )

Cleavages

gut {100} und {010}

Fracture

fasrig

Tenacity

spröde

Instability

+++ verdünnte Säuren

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Kukisvumchorr

Preface

Author (Name, Year)

Ferraris & Khomyakov & Belluso & Soboleva, 1998

References

European Journal of Mineralogy 10 (1998), 865

Other languages

German

Kalifersit

Spanish

Kalifersita

French

Kalifersite

English

Kalifersite

Russian

Калиферсит

CNMNC (IMA)-Number

IMA 1996-007

CNMNC symbol

Symbol

Klf

Locations with GPS information