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Paranatrolite

Chemism

Chemical formula

Na2(Si3Al2)O10·3H2O

Chemical composition

Aluminium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 398.2394788 u; Number of atoms in the formula: 26

Info

Empirical formula:

Na2(Si3Al2)O10·3H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.52

6

23.08

1.0079470

6.0476820

Oxygen

O

52.23

13

50.00

15.9994300

207.9925900

Sodium

Na

11.55

2

7.69

22.9897702

45.9795404

Aluminium

Al

13.55

2

7.69

26.9815382

53.9630764

Silicon

Si

21.16

3

11.54

28.0855300

84.2565900

Strunz 9th edition incl. updates

9.GA.05

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
A: [Zeolithe] mit vierer-Ring Ketten über ein fünftes [Si] verbunden
05:Natrolith-Gruppe

Lapis Classification

VIII/J.21-020

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
21: Zeolith-Gruppe; Faserzeolithe

Classification by Hölzel

9.FI.105

9: SILICATES
F: Tektosilicates
I: Fibrous Zeolites

Dana 8th edition

77.1.5.3

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Zeolite group  ⇒ NAT zeolite structure group

Optical Properties

Color

farblos

Streak color

weiß

max. Birefringence

v.low

RI value α / ω / n

1.493

Ri mean

1.493

2V angle

Biaxial (-) 10°<

Crystallography

Crystal System

monoklin

Class (H-M)

m

Space Group number

9

Space Group

Cc

Cell parameters a (Å)

19.07

Cell parameters b (Å)

19.13

Cell parameters c (Å)

6.58

Cell parameters a/b or c/a

0.997

Cell parameters c/b

0.344

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volumne (ų)

2400.444

X-Ray Powder Diffraction

6.76(20),
5.92(60),
4.78(30),
4.44(40),
3.26(10),
3.12(10),
2.94(100),
2.65(10)

XRD chart Paranatrolite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.00 - 5.50

VHN (Hardness Vickers)

470 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.21 (gemessen)

2.204 ( ρ calc. Mineralienatlas )

Solubility

+++ Säuren, unter H2O aufbewahren!

(Co-)Type locality

(Co-)Type locality

Kanada/Québec/Montérégie, Region/Rouville, RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)

Preface

Name from

Der Name bezieht sich auf die Verwandtschaft zu Natrolith und den höheren Wassergehalt.

Reference List

American Mineralogist 90 (2005), 252

Corresponding author (Name, Year)

Chao, 1980

Additional Information

Paranatrolith wandelt sich an der Luft durch Wasserabgabe in "Tetranatrolith" (= Gonnardit) um. Dieser Vorgang ist unter bestimmten Bedingungen reversibel.

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system | Space group | Space Group | Indenture number]

Gonnardite

(Na,Ca)2(Si,Al)5O10·3H2O

tetragonal

I42d

42m

9.GA.05

Mesolite

Na2Ca2(Si9Al6)O30·8H2O

orthorhombisch

Fdd2

mm2

9.GA.05

Natrolite

Na2(Si3Al2)O10·2H2O

orthorhombisch

Fdd2

mm2

9.GA.05

Paranatrolite

Na2(Si3Al2)O10·3H2O

monoklin

Cc

m

9.GA.05

Scolecite

Ca(Si3Al2)O10·3H2O

monoklin

Cc

m

9.GA.05

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system | Space group | Space Group | Indenture number]

Natrolite

Na2(Si3Al2)O10·2H2O

orthorhombisch

Fdd2

mm2

VIII/J.21-010

Paranatrolite

Na2(Si3Al2)O10·3H2O

monoklin

Cc

m

VIII/J.21-020

Gonnardite

(Na,Ca)2(Si,Al)5O10·3H2O

tetragonal

I42d

42m

VIII/J.21-040

Mesolite

Na2Ca2(Si9Al6)O30·8H2O

orthorhombisch

Fdd2

mm2

VIII/J.21-050

Scolecite

Ca(Si3Al2)O10·3H2O

monoklin

Cc

m

VIII/J.21-060

Thomsonite-Ca

NaCa2(Al5Si5)O20·6H2O

orthorhombisch

Pncn

mmm

VIII/J.21-070

Thomsonite-Sr

Na(Sr,Ca)2(Al5Si5)O20·6-7H2O

orthorhombisch

Pcnn

mmm

VIII/J.21-080

Related minerals "Hoelzel Classification" [Mineral | Chemical formula | Crystal system | Space group | Space Group | Indenture number]

Gonnardite

(Na,Ca)2(Si,Al)5O10·3H2O

tetragonal

I42d

42m

9.FI.120

Mesolite

Na2Ca2(Si9Al6)O30·8H2O

orthorhombisch

Fdd2

mm2

9.FI.110

Natrolite

Na2(Si3Al2)O10·2H2O

orthorhombisch

Fdd2

mm2

9.FI.100

Paranatrolite

Na2(Si3Al2)O10·3H2O

monoklin

Cc

m

9.FI.105

Other languages

Russian

Паранатролит

Spanish

Paranatrolita

English

Paranatrolite

French

Paranatrolite

German

Paranatrolith

IMA Number

IMA 1978-017

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

German pages

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International pages

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