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Gonnardite (Gonnardit)

Pictures (53 Images total)

Gonnardit
Views (File:
1215353564
): 3154, Rating: 9
Gonnardit
Bildbreite: 4 mm; Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)
Mineral: Gonnardite
Image: 1215353564
Rating: 9 (votes: 4)
License: Usage for Mineralienatlas project only
Gonnardit

Bildbreite: 4 mm; Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Stephan Wolfsried
Contribution: Hg 2008-07-06
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Gonnardit
Views (File:
1218527128
): 2467
Gonnardit
Größe: 10 mm; Fundort: Fara Vicentino, Vicenza, Venetien (Veneto), Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Venetien (Veneto), Region/Vicenza, Provinz/Fara Vicentino
Mineral: Gonnardite
Image: 1218527128
Rating: 9.33 (votes: 3)
License: Usage for Mineralienatlas project only
Gonnardit

Größe: 10 mm; Fundort: Fara Vicentino, Vicenza, Venetien (Veneto), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2008-08-12
Locality: Fara Vicentino / Vicenza, Provinz / Venetien (Veneto), Region / Italien
Gonnardit
Views (File:
1218527310
): 2386
Gonnardit
Größe: 2 mm; Fundort: Fara Vicentino, Vicenza, Venetien (Veneto), Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Venetien (Veneto), Region/Vicenza, Provinz/Fara Vicentino
Mineral: Gonnardite
Image: 1218527310
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Gonnardit

Größe: 2 mm; Fundort: Fara Vicentino, Vicenza, Venetien (Veneto), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2008-08-12
Locality: Fara Vicentino / Vicenza, Provinz / Venetien (Veneto), Region / Italien
Gonnardit
Views (File:
1571503654
): 1229
Gonnardit
Feine, haarige Gonnardit xx. FO war Nieder-Ofleiden, im Vogelsberg, Hessen. Bildbreite, ca. 1 cm.
Copyright: Sascha M.; Contribution: Sascha M.
Collection: IntronX
Location: Deutschland/Hessen/Gießen, Bezirk/Vogelsbergkreis/Homberg/Nieder-Ofleiden/Basaltbruch
Mineral: Gonnardite
Image: 1571503654
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Gonnardit

Feine, haarige Gonnardit xx. FO war Nieder-Ofleiden, im Vogelsberg, Hessen. Bildbreite, ca. 1 cm.
Collection: IntronX
Copyright: Sascha M.
Contribution: Sascha M. 2019-10-19
Locality: Basaltbruch / Nieder-Ofleiden / Homberg / Vogelsbergkreis / Gießen, Bezirk / Hessen / Deutschland
Gonnardit
Views (File:
1537884772
): 837
Gonnardit
Leuchtturmklippe, Playa Blanca, Lanzarote, Kanarische Inseln, Spanien. Bildbreitem 1,5 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Spanien/Kanarische Inseln/Lanzarote/Yaiza, Kreis/Playa Blanca/Punta Pechiguera (Leuchtturm)
Mineral: Gonnardite
Image: 1537884772
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Gonnardit

Leuchtturmklippe, Playa Blanca, Lanzarote, Kanarische Inseln, Spanien. Bildbreitem 1,5 mm
Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2018-09-25
Locality: Punta Pechiguera (Leuchtturm) / Playa Blanca / Yaiza, Kreis / Lanzarote / Kanarische Inseln / Spanien
Gonnardit, Analcim, BB 17,5 mm
Views (File:
1238259388
): 2875, Rating: 8.43
Gonnardit, Analcim, BB 17,5 mm
East Fork Gila River, Grant Co., New Mexico
Copyright: Hannes Osterhammer; Contribution: eschuhbauer
Collection: Lithothek der Münchener Micromounter, Collection number: B004207, Donator: eschuhbauer
Location: USA/New Mexico/Grant Co./Gila River/East Fork
Mineral: Analcime, Gonnardite
Image: 1238259388
Rating: 8.43 (votes: 7)
License: Usage for Mineralienatlas project only
Gonnardit, Analcim, BB 17,5 mm (SNr: B004207)

East Fork Gila River, Grant Co., New Mexico
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: eschuhbauer 2009-03-28
Locality: East Fork / Gila River / Grant Co. / New Mexico / USA

You find additional specimen at the Geolitho Museum

Collectors Summary

Color weiß
Streak color weiß
Hardness (Mohs) 4.75
Solubility +++ Säuren
Crystal System tetragonal, I42d

Chemism

Chemical formula

(Na,Ca)2(Si,Al)5O10·3H2O

Chemical composition

Aluminium, Calcium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 407.61178755 u; Number of atoms in the formula: 26

Info

Empirical formula:

(Na0.75Ca0.25)2(Si0.75Al0.25)5O10·3H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.48

6

23.08

1.0079470

6.0476820
Oxygen

O

51.03

13

50.00

15.9994300

207.9925900
Sodium

Na

8.46

1.5

5.77

22.9897702

34.4846553
Aluminium

Al

8.27

1.25

4.81

26.9815382

33.7269228
Silicon

Si

25.84

3.75

14.42

28.0855300

105.3207375
Calcium

Ca

4.92

0.5

1.92

40.0784000

20.0392000

Analysis wt%

SiO2 : 40.03, Al2O3 : 27.88, Fe2O3 : 0.85, FeO : 0.59, CaO : 6.03, Na2O : 10.05, K2O : 0.40, H2O : 14.22 (Ref: Per.Min.54)

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.21-040

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

Classification by Hölzel

9.FI.120

9: SILICATES
F: Tektosilicates
I: Fibrous Zeolites

Dana 8th edition

77.01.05.07

77: Tektosilicates Tectosilicate Zeolite group
01: Tektosilicates Tectosilicate Zeolite group true zeolites
05: Natrolite and related species

IMA status

Neudefinition von der CNMNC anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Zeolite group  ⇒ NAT zeolite structure group

Optical Properties

Color

weiß

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.003
Birefringence chart\! Gonnardite title=Birefringence chart Gonnardite

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

1.504

RI value β

1.505

RI value γ / ε

1.507

Ri mean

1.505

2V angle

Biaxial (+) 60°

Optical Data Luminescence

Color LW-UV (365nm)

blassrosa weiß

LW-UV Intensity

stark

Color SW-UV (254nm)

blassrosa weiß

SW-UV Intensity

stark

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

tetragonal

Class (H-M)

42m

Space Group number

122

Space Group

I42d

Cell parameters a (Å)

13.21

Cell parameters b (Å)

-

Cell parameters c (Å)

6.622

Cell parameters a/b or c/a

0.501

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volumne (ų)

1155.566

X-Ray Powder Diffraction

6.642(80),
5.898(90),
4.698(80),
4.409(90),
3.219(70),
2.954(50),
2.897(100),
2.466(50)
XRD chart Gonnardite

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)

4.75

VHN (Hardness Vickers)

340 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.3

2.343 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Frankreich/Auvergne-Rhône-Alpes, Region/Puy-de-Dôme, Département/Issoire, Arrondissement/Gignat/La Chaux de Bergonne

Preface

Name from

Nach dem französischen Mineralogen Pierre Joseph Ferdinand Gonnard (1833-1923), der das später Gonnardit benannte Mineral 1870 erstmals beschrieb und "Mesole" nannte.

Author (Name, Year)

Lacroix, 1896

References

American Mineralogist 84 (1999), 1445

IMA group assignments

 
Zeolite group
 
 
 

 
 
NAT zeolite structure group
 
 
 

 
 
 
Gonnardite
(Na,Ca)2(Si,Al)5O10·3H2O
tetragonal
I42d

 
 
 
Mesolite
Na2Ca2(Si9Al6)O30·8H2O
orthorhombisch
Fdd2

 
 
 
Natrolite
Na2(Si3Al2)O10·2H2O
orthorhombisch
Fdd2

 
 
 
Paranatrolite
Na2(Si3Al2)O10·3H2O
monoklin
Cc

 
 
 
Scolecite
Ca(Si3Al2)O10·3H2O
monoklin
Cc

Refresh list

Actuality: 30. Sep 2023 - 21:14:26

Other languages

German

Gonnardit

Spanish

Gonnardita

French

Gonnardite

English

Gonnardite

Russian

Гоннардит

Traditional Chinese

纖沸石

Simplified Chinese

纤沸石

old name

Mesole

Alternative Name

Gonnardite-Na

German

Ranit

Spanish

Ranita

Ranite

Russian

Тетранатролит

CNMNC symbol

Symbol

Gon

Locations with GPS information

IDs

GUSID (Global unique identifier short form) lwCG8hv07EyY2zaQ_eVKJw
GUID (Global unique identifier) F2860097-F41B-4CEC-98DB-3690FDE54A27
Database ID 1421