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Gmelinite-Na

Pictures (11 Images total)

Gmelinit-Na
Views (Image: 1314778221): 1017, Rating: 9.25
Gmelinit-Na

Größe: 0,98 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-08-31
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Gmelinit-Na
Views (Image: 1292945212): 1032
Gmelinit-Na

Größe: 1,28 mm; Fundort: Steinbruch Magheramorne, Larne, Antrim Co., Nordirland, UK
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-21
Locality: Steinbruch Magheramorne / Larne / Antrim Co. / Nordirland / UK
Gmelinit-Na
Views (Image: 1314778167): 783
Gmelinit-Na

Größe: 0,56 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-08-31
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Grau-schwarze Gmelinit-Na-Tafeln
Views (Image: 1126028954): 1004, Rating: 7.5
Grau-schwarze Gmelinit-Na-Tafeln

Bildbreite: 3 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Quebec, Kanada
Copyright: Stephan Wolfsried
Contribution: JHM 2005-09-06
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Gmelinit-Na
Views (Image: 1293146895): 838
Gmelinit-Na

Größe: 2,44 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-24
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Gmelinit-Na
Views (Image: 1218548324): 624
Gmelinit-Na

Größe: 3 mm; Fundort: Monte Nero, San Pietro, Montecchio Maggiore, Vicenza, Venetien (Veneto), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2008-08-12
Locality: Monte Nero / San Pietro / Montecchio Maggiore / Vicenza, Provinz / Venetien (Veneto), Region / Italien

Collectors Summary

Color weiß, rötlichweiß, rosa, grünlichweiß, Flesh rot
Streak color weiß
Hardness (Mohs) 4.5
Solubility +++ Säuren
Crystal System hexagonal, P63/mmc

Chemism

Chem­ical formula

Na4(Si8Al4)O24·11H2O

Chem­ical com­po­si­tion

Aluminium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 1006.7243576 u; Number of atoms in the formula: 73

Info

Empirical formula:

Na4(Si8Al4)O24·11H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.20

22

30.14

1.0079470

22.1748340
Oxygen

O

55.62

35

47.95

15.9994300

559.9800500
Sodium

Na

9.13

4

5.48

22.9897702

91.9590808
Aluminium

Al

10.72

4

5.48

26.9815382

107.9261528
Silicon

Si

22.32

8

10.96

28.0855300

224.6842400

Anal­y­sis wt%

SiO2 : 50.00, Al2O3 : 19.17, CaO : 2.95, SrO : 0.58, Na2O : 7.20, H2O : 20.00 (Ref: Nat.Zeol.85)

Strunz 9th edi­tion incl. updates

9.GD.05

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
D: Ketten von fünfer-Ringen
05:Gmelinit-Gruppe

Lapis Clas­sifica­tion

VIII/J.26-050

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

Clas­sifica­tion by Hölzel

9.FL.220

9: SILICATES
F: Tektosilicates
L: Zeolites with 6-Rings

Dana 8th edi­tion

77.01.02.06

77: Tektosilicates Tectosilicate Zeolite group
01: Tektosilicates Tectosilicate Zeolite group true zeolites
02: Chabazite and related species

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

 Zeolite group  ⇒ GME zeolite structure group  ⇒ Gmelinite series

Optical Properties

Color

weiß, rötlichweiß, rosa, grünlichweiß, Flesh rot

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.008
Birefringence chart\! Gmelinite-Na title=Birefringence chart Gmelinite-Na

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

1.485

RI value γ / ε

1.477

Ri mean

1.482

2V angle

Uniaxial (-)

Crystallography

Crystal Sys­tem

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell param­e­ters a (Å)

13.75

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

10.06

Cell param­e­ters a/b or c/a

0.732

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

2

Volumne (ų)

1647.153

X-Ray Pow­der Diffrac­tion

11.90(60),
7.68(30),
5.03(30),
4.11(100),
3.227(40),
2.978(50),
2.855(40),
2.690(40)
XRD chart Gmelinite-Na

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)

2.03 - 2.17 / Durchschnittlich = 2.09

2.03 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Italien/Venetien (Veneto), Region/Vicenza, Provinz/Montecchio Maggiore/San Pietro/Monte Nero

Preface

Author (Name, Year)

Brewster, 1825

References

Neues Jahrbuch für Mineralogie, Monatshefte (1978), 310-324.

Neues Jahrbuch für Mineralogie, Monatshefte (1982), 145-155.

Natural Zeolites (Gottardi & Galli) (1985), 168.

Neues Jahrbuch für Mineralogie, Monatshefte (1990), 504.

Reviews in Mineralogy and Geochemistry 45 (2001), 1.

Reviews in Mineralogy and Geochemistry 45 (2001), 69.

Canadian Mineralogist 35 (1997), 1571.

IMA group assignments

Other languages

German

Gmelinit-Na

Spanish

Gmelinita-Na

English

Gmelinite-Na

French

Gmelinite-Na

Russian

Гмелинит-Na

Traditional Chinese

鈉菱沸石

Simplified Chinese

钠菱沸石

Alternative Name

Gmelinit-(Na)

CNMNC symbol

Symbol

Gme-Na

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

German pages

 DeWikiPedia - search for: Gmelinit-Na
Google-Bilder-Suche - search for: Gmelinit-Na
Mineralienatlas.de (Forum) - search for: Gmelinit-Na

English pages

 Mindat - search for: Gmelinite-Na
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Handbook-of-Mineralogy - search for: Gmelinite-Na
RRUFF - Raman, XRD and other mineral data - search for: Gmelinite-Na
RRUFF - References and PDF downloads - search for: Gmelinite-Na
American-Mineralogist-Crystal-Structure-Database - search for: Gmelinite-Na
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Russian pages

 Webmineral.ru - search for: Гмелинит-Na

Mineral Dealer

German pages

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Locations with GPS information