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Kerolite

Collectors Summary

Hardness (Mohs) 2 - 2.5

Chemism

Chemical formula

(Mg,Ni)3Si4O10(OH)2·H2O

Additional chem. information

Ungeordnete Varietät von Talc; wird auch als Mixtur aus Serpentin und Saponit angesehen

Chemical composition

Magnesium, Nickel, Silicium, Sauerstoff, Wasserstoff

Unit weight: 423.072948 u; Number of atoms in the formula: 24

Info

Empirical formula:

(Mg0.75Ni0.25)3Si4O10(OH)2·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.95

4

16.67

1.0079470

4.0317880
Oxygen

O

49.16

13

54.17

15.9994300

207.9925900
Magnesium

Mg

12.93

2.25

9.38

24.3050600

54.6863850
Silicon

Si

26.55

4

16.67

28.0855300

112.3421200
Nickel

Ni

10.40

0.75

3.13

58.6934200

44.0200650

Strunz 9th edition incl. updates

9.EC.45

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
C: Schichtsilikate (Phyllosilikate) mit Glimmer Tafeln, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
45:Saponit-Gruppe

IMA status

zweifelhaft

Optical Data Luminescence

Color LW-UV (365nm)

  

weiß

Color SW-UV (254nm)

  

weiß

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

X-Ray Powder Diffraction

10.0(60),
4.83(20),
4.54(100),
3.19(50),
2.55(50),
2.28(20),
1.522(50),
1.314(20)
XRD chart Kerolite

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

Physical Properties

Hardness (Mohs)

2 - 2.5

(Co-)Type locality

(Co-)Type locality

Polen/Niederschlesien (Dolnoslaskie), Woiwodschaft/Frankenstein (Zabkowicki Slaskie), Powiat/Frankenstein (Zabkowice Sląskie)/Gläsendorf (Szklary)

Preface

Author (Name, Year)

Breithaupt, 1823

References

American Mineralogist 50 (1965), 2111.

Mineralogical Magazine 41 (1977), 443.

Mineralogical Magazine 36, 1145.

American Mineralogist (1979): 64: 617.

Other languages

German

Kerolit

Spanish

Kerolita

English

Kerolite

French

Kerolite

Alternative Name

German

Cerolit

Spanish

Cerolita

Cerolite

Hydrosilicite (of Kuh)

German

Kerolith

CNMNC symbol

Symbol

Krl

Locations with GPS information

IDs

GUSID (Global unique identifier short form) gnqVlrBI8UOXgn5EdCOrEg
GUID (Global unique identifier) 96957A82-48B0-43F1-9782-7E447423AB12
Database ID 4500