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Gaidonnayite

Pictures (10 Images total)

Gaidonnayit
Views (File:
1412773886
): 798
Gaidonnayit
Bildbreite: 2 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville RCM, Region Montérégie, 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: Gaidonnayite
Image: 1412773886
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Gaidonnayit

Bildbreite: 2 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville RCM, Region Montérégie, Québec, Kanada
Copyright: Stephan Wolfsried
Contribution: Hg 2014-10-08
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Gaidonnayit
Views (File:
1219683419
): 856, Rating: 8
Gaidonnayit
Bildbreite: 3 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: Gaidonnayite
Image: 1219683419
Rating: 8 (votes: 4)
License: Usage for Mineralienatlas project only
Gaidonnayit

Bildbreite: 3 mm; Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Stephan Wolfsried
Contribution: Hg 2008-08-25
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Gaidonnayit
Views (File:
1219683281
): 902
Gaidonnayit
Bildbreite: 1,5 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: Gaidonnayite
Image: 1219683281
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Gaidonnayit

Bildbreite: 1,5 mm; Fundort: Poudrette quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Copyright: Stephan Wolfsried
Contribution: Hg 2008-08-25
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Gaidonnayit
Views (File:
1395692205
): 898
Gaidonnayit
Fundort: Palmeira Nr 2, Monchique, Faro, Portugal; Einzelkristall mit gut erkennbarer Kristallklasse (wie Hemimorphit); Bildbreite 0,8 mm; Leitz L25x/0.4; ZS-Stack 65 Ebenen
Copyright: Josef 84,55; Contribution: Josef 84,55
Collection: Josef 84,55
Location: Portugal/Faro, Distrikt/Monchique, Kreis/Monchique, Stadt/Palmeira Nr 2 quarry
Mineral: Gaidonnayite
Image: 1395692205
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Gaidonnayit

Fundort: Palmeira Nr 2, Monchique, Faro, Portugal; Einzelkristall mit gut erkennbarer Kristallklasse (wie Hemimorphit); Bildbreite 0,8 mm; Leitz L25x/0.4; ZS-Stack 65 Ebenen
Collection: Josef 84,55
Copyright: Josef 84,55
Contribution: Josef 84,55 2014-03-24
Locality: Palmeira Nr 2 quarry / Monchique, Stadt / Monchique, Kreis / Faro, Distrikt / Portugal
Gaidonnayit
Views (File:
1165418150
): 589
Gaidonnayit
Bildbreite: 2 mm; Fundort Mont Saint-Hilaire, Quebéc, 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: Gaidonnayite
Image: 1165418150
Rating: 4.5 (votes: 2)
License: Usage for Mineralienatlas project only
Gaidonnayit

Bildbreite: 2 mm; Fundort Mont Saint-Hilaire, Quebéc, Kanada
Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-06
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Gaidonnayit
Views (File:
1165418205
): 618
Gaidonnayit
Bildbreite: 3 mm; Fundort Mont Saint-Hilaire, Quebéc, 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: Gaidonnayite
Image: 1165418205
License: Usage for Mineralienatlas project only
Gaidonnayit

Bildbreite: 3 mm; Fundort Mont Saint-Hilaire, Quebéc, Kanada
Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-06
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada

Collectors Summary

Color farblos, weiß, helllila
Streak color weiß
Hardness (Mohs) 5
Crystal System orthorhombisch, P21nb

Chemism

Chemical formula

Na2ZrSi3O9·2H2O

Chemical composition

Natrium, Silicium, Zirconium, Sauerstoff, Wasserstoff

Unit weight: 401.4858484 u; Number of atoms in the formula: 21

Info

Empirical formula:

Na2ZrSi3O9·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.00

4

19.05

1.0079470

4.0317880
Oxygen

O

43.84

11

52.38

15.9994300

175.9937300
Sodium

Na

11.45

2

9.52

22.9897702

45.9795404
Silicon

Si

20.99

3

14.29

28.0855300

84.2565900
Zirconium

Zr

22.72

1

4.76

91.2242000

91.2242000

Analysis wt%

SiO2 : 42.51, ZrO2 : 30.21, Nb2O5 : 3.00, TiO2 : 0.42, Na2O : 13.11, K2O : 2.20, H2O : 9.25 (Ref: Canadian Mineralogist 73)

Strunz 9th edition incl. updates

9.DM.15

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
M: Ketten- und Bandsilikate mit 6-periodischen Einfachketten
15:Gaidonnayit-Gruppe

Lapis Classification

VIII/F.29-028

VIII: SILIKATE
F: Ketten- und Bandsilikate
29: Sechserketten [Si6O18] 12- und Sechserbänder [Si12O30] 12-

Classification by Hölzel

9.CA.340

9: SILICATES
C: Cyclosilicates
A: ~[Si3O9]6--Rings
3: Orthorhombic, with Ti,Zr,Sn Gaidonnayite-Group

Dana 8th edition

59.02.02.03

59: Cyclosilicate Minerals
02: Cyclosilicates Cyclosilicate Three-Membered Rings hydrated
02: Catapleiite group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Gaidonnayite group

Optical Properties

Color

farblos, weiß, helllila

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.033
Birefringence chart\! Gaidonnayite title=Birefringence chart Gaidonnayite

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

1.559

RI value β

1.573

RI value γ / ε

1.592

Ri mean

1.575

2V angle

Biaxial (+) 83°

Optical Data Luminescence

Luminescence

fluoreszierend, Kurzwelliges UV=hellgrün, Langwelliges UV=hellgrün

Color LW-UV (365nm)

  

grün

MW-UV (320nm)

  

grün

Color SW-UV (254nm)

  

grün

MW-UV Other Colors

    

orangerot, rot

Most Common Activator

(UO2)2+ (Uranyl-Ion) als Verunreinigungen

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mm2

Space Group number

33

Space Group

P21nb

Cell parameters a (Å)

11.740

Cell parameters b (Å)

12.820

Cell parameters c (Å)

6.691

Cell parameters a/b or c/a

0.916

Cell parameters c/b

0.522

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volumne (ų)

1007.041

X-Ray Powder Diffraction

6.42(30),
5.93(80),
5.84(80),
5.63(50),
3.124(100),
3.094(80),
2.931(40),
1.637(40)
XRD chart Gaidonnayite

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)

5

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.67

2.648 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire

Preface

Author (Name, Year)

Chao & Watkinson, 1974

References

Canadian Mineralogist 12 (1974), 316

IMA group assignments

 
Gaidonnayite group
 
 
 

 
 
Gaidonnayite
Na2ZrSi3O9·2H2O
orthorhombisch
P21nb

 
 
Plumbogaidonnayite
PbZrSi3O9·2H2O
orthorhombisch
P21nb

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Actuality: 30. Sep 2023 - 20:35:13

Other languages

German

Gaidonnayit

Spanish

Gaidonnayita

English

Gaidonnayite

French

Gaidonnayite

Russian

Гейдоннеит

CNMNC (IMA)-Number

IMA 1973-008

CNMNC symbol

Symbol

Gdn

Locations with GPS information

IDs

GUSID (Global unique identifier short form) Md-5GASiV0GFcOtUTDlzuA
GUID (Global unique identifier) 18B9DF31-A204-4157-8570-EB544C3973B8
Database ID 1315