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Gmelinite-Ca

Pictures (3 Images total)

Gmelinit-Ca
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Gmelinit-Ca

Größe: 2,58 mm, Fundort: Contrada Bagattei, Vestenanuova, Verona, Venetien (Veneto), Italien

Copyright: Matteo Chinellato
Contribution: Hg 2011-12-23
Locality: Cava Cattignano (Bagattei) / San Giovanni Ilarione / Verona, Provinz / Venetien (Veneto), Region / Italien
Gmelinit-Ca
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Gmelinit-Ca

Größe: 2,5 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
Gmelinit-Ca
Views (Image: 1297723616): 1151
Gmelinit-Ca

Größe: 7,9 x 5,9 x 5,1 cm, Fundort: Sarbai Mine, Rudny, Qostaney Oblast, Kasachstan

Copyright: Rob Lavinsky
Contribution: thdun5 2011-02-14
Locality: Sarbai Mine / Rudny / Sokolov-Sarbai / Qostanay oblysy (Qostanai; Kustany) / Kasachstan

Collectors Summary

Color weiß, rötlichweiß, rosa, grünlichweiß, Flesh rot
Streak color weiß
Lustre Glasglanz
Crystal System hexagonal, P63/mmc

Chemism

Chem­ical formula

(Ca,Sr,Na)4(Si,Al)12O24·11H2O

Chem­ical com­po­si­tion

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

Unit weight: 1126.39853668 u; Number of atoms in the formula: 73

Info

Empirical formula:

(Ca0.6Sr0.3Na0.1)4(Si0.75Al0.25)12O24·11H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.97

22

30.14

1.0079470

22.1748340

Oxygen

O

49.71

35

47.95

15.9994300

559.9800500

Sodium

Na

0.82

0.4

0.55

22.9897702

9.1959081

Aluminium

Al

7.19

3

4.11

26.9815382

80.9446146

Silicon

Si

22.44

9

12.33

28.0855300

252.7697700

Calcium

Ca

8.54

2.4

3.29

40.0784000

96.1881600

Strontium

Sr

9.33

1.2

1.64

87.6210000

105.1452000

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.26-054

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

Clas­sifica­tion by Hölzel

9.FL.222

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

Dana 8th edi­tion

77.01.02.06a

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

IMA sta­tus

Anerkannt von der CNMNC

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

Lus­tre

Glasglanz

max. Birefrin­gence

0.0020 - 0.0130

RI value α / ω / n

1.474 - 1.481

RI value γ / ε

1.476 - 1.494

Ri mean

1481.25

2V angle

Uniaxial (+/-)

Optical Data Luminescence

Color LW-UV (365nm)

 

gelb

Color SW-UV (254nm)

 

gelb

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell param­e­ters a (Å)

13.800

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

9.964

Cell param­e­ters a/b or c/a

0.722

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

2

Volumne (ų)

1643.321

X-Ray Pow­der Diffrac­tion

2.6461(10),
2.9893(12),
3.1488(12),
4.1034(22),
4.8960(16),
7.5758(9),
11.9572(100)

XRD chart Gmelinite-Ca

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

2.03 - 2.17 / Durchschnittlich = 2.09

2.276 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Coombs & etc., 1997

References

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

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

Canadian Mineralogist 35 (1997), 1571.

IMA group assignments

Other languages

German

Gmelinit-Ca

Spanish

Gmelinita-Ca

English

Gmelinite-Ca

French

Gmelinite-Ca

Russian

Гмелинит-Ca

Simplified Chinese

钙菱沸石

Alternative Name

Gmelinit-(Ca)

CNMNC symbol

Symbol

Gme-Ca

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

German pages

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

English pages

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

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Mineral Dealer

German pages

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Locations with GPS information