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Paulingite-K

Collectors Summary

Color farblos, hellgelb, orange, rot
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 5
Solubility +++ Säuren
Crystal System kubisch, Im3m

Chemism

Chem­ical formula

(K,Ca,Na,Ba,☐)10(Si,Al)42O84·34H2O

Chem­ical com­po­si­tion

Aluminium, Barium, Calcium, Natrium, Silicium, Kalium, Sauerstoff, Wasserstoff, Vakanz

Unit weight: 3531.363807305 u; Number of atoms in the formula: 238

Info

Empirical formula:

(K0.55Ca0.25Na0.1Ba0.05Vc0.05)10(Si0.75Al0.25)42O84·34H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Vacancy

Vc

0.00

0.5

0.21

0.0000000

0.0000000

Hydrogen

H

1.94

68

28.57

1.0079470

68.5403960

Oxygen

O

53.46

118

49.58

15.9994300

1,887.9327400

Sodium

Na

0.65

1

0.42

22.9897702

22.9897702

Aluminium

Al

8.02

10.5

4.41

26.9815382

283.3061511

Silicon

Si

25.05

31.5

13.24

28.0855300

884.6941950

Potassium

K

6.09

5.5

2.31

39.0983100

215.0407050

Calcium

Ca

2.84

2.5

1.05

40.0784000

100.1960000

Barium

Ba

1.94

0.5

0.21

137.3277000

68.6638500

Anal­y­sis wt%

Ø SiO2 : 54.04, Al2O3 : 17.29, CaO : 4.23, BaO : 6.27, K2O : 3.16, H2O : 14.30 (Ref: Mineralogical Magazine 97)

Strunz 9th edi­tion incl. updates

9.GC.35

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
C: Ketten doppelt verbundener vierer-Ringe
35:

Lapis Clas­sifica­tion

VIII/J.27-050

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
27: Zeolith-Gruppe; Würfelzeolithe

Clas­sifica­tion by Hölzel

9.FK.100

9: SILICATES
F: Tektosilicates
K: Doubly connected 4-Ring Chains

Dana 8th edi­tion

77.01.03.09

77: Tektosilicates Tectosilicate Zeolite group
01: Tektosilicates Tectosilicate Zeolite group true zeolites
03: Gismondine and related species

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Zeolite group  ⇒ PAU zeolite structure group  ⇒ Paulingite series

Optical Properties

Color

farblos, hellgelb, orange, rot

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

Lus­tre

Glasglanz

RI value α / ω / n

1.473 - 1.480

Ri mean

1.477

Anisotropism

isotropisch

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

229

Space Group

Im3m

Cell param­e­ters a (Å)

35.114

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

16

Volumne (ų)

43295.316

X-Ray Pow­der Diffrac­tion

8.29(100),
6.88(100),
4.78(90),
3.582(80),
3.261(90),
3.129(70),
3.078(90),
2.983(80)

XRD chart Paulingite-K

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5

VHN (Hard­ness Vick­ers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.085 - 2.24 (gemessen) 2.2 (berechnet)

2.167 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

(Co-)Type locality

(Co-)Type locality

USA/Washington/Douglas Co./Rock Island dam

Preface

Name from

Linus Carl Pauling

Linus Carl Pauling (1901-1994), Chemieprofessor, California Institute of Technology, Pasadena, CA, USA;

WikiPedia:Linus_Pauling

References

American Mineralogist 45 (1960), 79

Science 154 (1966), 1004

Mineralogical Magazine (1998): 62: 553.

IMA group assignments

Other languages

German

Paulingit-K

Spanish

Paulingita-K

French

Paulingite-K

English

Paulingite-K

Alternative Name

Paulingit- K

CNMNC symbol

Symbol

Pau-K

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Paulingit-K
Google-Bilder-Suche - search for: Paulingit-K
Mineralienatlas.de (Forum) - search for: Paulingit-K

English pages

Mindat - search for: Paulingite-K
Webmineral - search for:Paulingite-K
Handbook-of-Mineralogy - search for: Paulingite-K
RRUFF - Raman, XRD and other mineral data - search for: Paulingite-K
RRUFF - References and PDF downloads - search for: Paulingite-K
American-Mineralogist-Crystal-Structure-Database - search for: Paulingite-K
Strahlen.org - search for: Paulingite-K

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Paulingit-K
Crystal-Treasure.com - search for: Paulingit-K
Bosse - search for: Paulingit-K
Edelsteine Neuburg - Gundolf Fischer - search for: Paulingit-K

Locations with GPS information