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Perlialite (Perlialit)

Pictures (3 Images total)

Perlialith, seidige Hohlraumfüllung
Views (File:
1156800365
): 911
Perlialith, seidige Hohlraumfüllung
Fundort: Murun-Massiv, Chara-Fluss, Davan, Torgo-Becken, Aldan Schild, Jakutien, Ost-Sibirien, Russland; Größe: Bildausschnitt 4 x 3,5 mm
Copyright: Torben; Contribution: Torben
Location: Russland/Ferner Osten, Föderationskreis/Sacha (Sakha, Jakutien, Якутия), Republik/Aldan/Murun-Massiv (Murunskyi Massif)
Mineral: Perlialite
Image: 1156800365
License: Usage for Mineralienatlas project only
Perlialith, seidige Hohlraumfüllung

Fundort: Murun-Massiv, Chara-Fluss, Davan, Torgo-Becken, Aldan Schild, Jakutien, Ost-Sibirien, Russland; Größe: Bildausschnitt 4 x 3,5 mm

Copyright: Torben
Contribution: Torben 2006-08-28
Locality: Murun-Massiv (Murunskyi Massif) / Aldan / Sacha (Sakha, Jakutien, Якутия), Republik / Ferner Osten, Föderationskreis / Russland
Perlialit
Views (File:
1446833613
): 624
Perlialit
fasrifer Perlialit auf Feldspat,; Fundort Chibiny, Eveslogtchorr,
Copyright: uwe; Contribution: uwe
Collection: uwe
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Eweslogchorr (Eveslogchorr)
Mineral: Perlialite
Image: 1446833613
License: Usage for Mineralienatlas project only
Perlialit

fasrifer Perlialit auf Feldspat,; Fundort Chibiny, Eveslogtchorr,
Collection: uwe
Copyright: uwe
Contribution: uwe 2015-11-06
Locality: Eweslogchorr (Eveslogchorr) / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Perlialith
Views (File:
1360597939
): 743
Perlialith
Bildbreite: 2 mm, Fundort: Eweslogchorr, Khibiny, Kola-Halbinsel, Murmansk, Russland
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Eweslogchorr (Eveslogchorr)
Mineral: Perlialite
Image: 1360597939
Rating: 2 (votes: 1)
License: Usage for Mineralienatlas project only
Perlialith

Bildbreite: 2 mm, Fundort: Eweslogchorr, Khibiny, Kola-Halbinsel, Murmansk, Russland
Copyright: Luigi Chiappino
Contribution: thdun5 2013-02-11
Locality: Eweslogchorr (Eveslogchorr) / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color perlweiß
Streak color weiß
Hardness (Mohs) 4.5
Solubility +++ Säuren
Crystal System hexagonal, P6/mmm

Chemism

Chemical formula

K9Na(Ca,Sr)(Si24Al12)O72·15H2O

Chemical composition

Aluminium, Calcium, Natrium, Silicium, Strontium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 2846.8586086 u; Number of atoms in the formula: 164

Info

Empirical formula:

K9Na(Ca0.75Sr0.25)(Si24Al12)O72·15H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.06

30

18.29

1.0079470

30.2384100
Oxygen

O

48.89

87

53.05

15.9994300

1,391.9504100
Sodium

Na

0.81

1

0.61

22.9897702

22.9897702
Aluminium

Al

11.37

12

7.32

26.9815382

323.7784584
Silicon

Si

23.68

24

14.63

28.0855300

674.0527200
Potassium

K

12.36

9

5.49

39.0983100

351.8847900
Calcium

Ca

1.06

0.75

0.46

40.0784000

30.0588000
Strontium

Sr

0.77

0.25

0.15

87.6210000

21.9052500

Analysis wt%

SiO2 : 50.72, Al2O3 : 20.13, Fe2O3 : 0.92, SrO : 1.65, CaO : 0.96, Na2O : 0.98, K2O : 14.86, H2O : 9.52 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 84)

Strunz 9th edition incl. updates

9.GC.25

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

Lapis Classification

VIII/J.26-100

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

Classification by Hölzel

9.FK.230

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

Dana 8th edition

77.01.03.08

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

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Zeolite group  ⇒ LTL zeolite structure group

Optical Properties

Color

perlweiß

Streak color

weiß

max. Birefringence

0.005
Birefringence chart\! Perlialite title=Birefringence chart Perlialite

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 γ / ε

1.488

Ri mean

1.485

2V angle

Uniaxial (+)

Optical Data Luminescence

Color SW-UV (254nm)

  

bläulich weiß

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

191

Space Group

P6/mmm

Cell parameters a (Å)

18.535

Cell parameters b (Å)

-

Cell parameters c (Å)

7.535

Cell parameters a/b or c/a

0.407

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

1

Volumne (ų)

2241.811

X-Ray Powder Diffraction

16.0(100),
6.0(70),
4.62(100),
3.94(70),
3.20(90),
2.674(80),
1.545(80),
1.306(100)
XRD chart Perlialite

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)

4.5

VHN (Hardness Vickers)

280 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.14

2.109 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

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

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

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Yukspor/Loparski-Pass

Preface

Name from

Perekrest, Lily Alekseevna (Перекрест, Лилии Алексеевны; (1928-), Dozentin für Mineralogie an der Technischen Hochschule für Bergbau in Kirovsk, Russland

Author (Name, Year)

Men'shikov, 1984

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 113 (1984), 607

IMA group assignments

 
Zeolite group
 
 
 

 
 
LTL zeolite structure group
 
 
 

 
 
 
Perlialite
K9Na(Ca,Sr)(Si24Al12)O72·15H2O
hexagonal
P6/mmm

Refresh list

Actuality: 24. Mar 2023 - 09:15:01

Other languages

German

Perlialit

https://rruff.info/rruff_1.0/uploads/AM70_1329.pdf#page=3

Spanish

Perlialita

French

Perlialite

English

Perlialite

Russian

Перлиалит

Simplified Chinese

硅铝铊石

Alternative Name

German

Perlialith

CNMNC symbol

Symbol

Pll

Locations with GPS information