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Gismondine-Ca (Gismondin-Ca)

Pictures (61 Images total)

Gismondin
Views (File:
1267175532
): 5976, Rating: 9.17
Gismondin
Stbr. Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland; Bildbreite: 1,7 mm;
Copyright: Fred Kruijen; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Hillesheim/Steinbruch Stolz (Graulai; Graulay)
Mineral: Gismondine-Ca
Image: 1267175532
Rating: 9.17 (votes: 12)
License: Usage for Mineralienatlas project only
Gismondin

Stbr. Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland; Bildbreite: 1,7 mm;
Copyright: Fred Kruijen
Contribution: Hg 2010-02-26
Locality: Steinbruch Stolz (Graulai; Graulay) / Hillesheim / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland
Gismondin
Views (File:
1241815117
): 2874, Rating: 9
Gismondin
Größe: 1,95 mm; Fundort: Stbr. Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland
Copyright: Matteo Chinellato; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Hillesheim/Steinbruch Stolz (Graulai; Graulay)
Mineral: Gismondine-Ca
Image: 1241815117
Rating: 9 (votes: 5)
License: Usage for Mineralienatlas project only
Gismondin

Größe: 1,95 mm; Fundort: Stbr. Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland
Copyright: Matteo Chinellato
Contribution: Hg 2009-05-08
Locality: Steinbruch Stolz (Graulai; Graulay) / Hillesheim / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland
Gismondin mit kugeligem Thomsonit
Views (File:
1291328450
): 3319, Rating: 9
Gismondin mit kugeligem Thomsonit
Größe: 1,46 mm, Fundort: Stbr. Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland
Copyright: Matteo Chinellato; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Hillesheim/Steinbruch Stolz (Graulai; Graulay)
Mineral: Gismondine-Ca
Image: 1291328450
Rating: 9 (votes: 4)
License: Usage for Mineralienatlas project only
Gismondin mit kugeligem Thomsonit  D

Größe: 1,46 mm, Fundort: Stbr. Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-02
Locality: Steinbruch Stolz (Graulai; Graulay) / Hillesheim / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland
Gismondin
Views (File:
1316161053
): 2326, Rating: 9.25
Gismondin
Größe: 4,25 mm; Fundort: Vedretta della Miniera, Val Zebrù, Valfurva, Sondrio, Provinz, Lombardei (Lombardia), Region, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Lombardei (Lombardia), Region/Sondrio, Provinz/Valfurva/Val Zebrù/Vedretta della Miniera
Mineral: Gismondine-Ca
Image: 1316161053
Rating: 9.25 (votes: 4)
License: Usage for Mineralienatlas project only
Gismondin

Größe: 4,25 mm; Fundort: Vedretta della Miniera, Val Zebrù, Valfurva, Sondrio, Provinz, Lombardei (Lombardia), Region, Italien
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-16
Locality: Vedretta della Miniera / Val Zebrù / Valfurva / Sondrio, Provinz / Lombardei (Lombardia), Region / Italien
Gismondin
Views (File:
1256804269
): 3138
Gismondin
Größe: 1,54 mm; Fundort: Stbr. Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland
Copyright: Matteo Chinellato; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Hillesheim/Steinbruch Stolz (Graulai; Graulay)
Mineral: Gismondine-Ca
Image: 1256804269
Rating: 9.33 (votes: 3)
License: Usage for Mineralienatlas project only
Gismondin

Größe: 1,54 mm; Fundort: Stbr. Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland
Copyright: Matteo Chinellato
Contribution: Hg 2009-10-29
Locality: Steinbruch Stolz (Graulai; Graulay) / Hillesheim / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland
Gismondin
Views (File:
1272357252
): 2794
Gismondin
Stbr. Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland; Größe: 2,65 mm;
Copyright: Matteo Chinellato; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Hillesheim/Steinbruch Stolz (Graulai; Graulay)
Mineral: Gismondine-Ca
Image: 1272357252
Rating: 9 (votes: 3)
License: Usage for Mineralienatlas project only
Gismondin

Stbr. Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland; Größe: 2,65 mm;
Copyright: Matteo Chinellato
Contribution: Hg 2010-04-27
Locality: Steinbruch Stolz (Graulai; Graulay) / Hillesheim / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color farblos, weiß
Streak color weiß
Hardness (Mohs) 4.5
Solubility +++ Säuren
Crystal System monoklin, P21/c

Chemism

Chemical formula

Ca2(Si4Al4)O16·8H2O

Chemical composition

Aluminium, Calcium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 700.5385448 u; Number of atoms in the formula: 50

Info

Empirical formula:

Ca2(Si4Al4)O16·8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.30

16

32.00

1.0079470

16.1271520
Oxygen

O

54.81

24

48.00

15.9994300

383.9863200
Aluminium

Al

15.41

4

8.00

26.9815382

107.9261528
Silicon

Si

16.04

4

8.00

28.0855300

112.3421200
Calcium

Ca

11.44

2

4.00

40.0784000

80.1568000

Analysis wt%

SiO2 : 34.64, Al2O3 : 27.79, CaO : 15.37, H2O : 22.20 (Ref: Nat.Zeol.85)

Strunz 9th edition incl. updates

9.GC.05

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
C: Ketten doppelt verbundener vierer-Ringe
05:Gismondin-Gruppe

Lapis Classification

VIII/J.25-020

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
25: Zeolith-Gruppe; Blätterzeolithe

Classification by Hölzel

9.FK.400

9: SILICATES
F: Tektosilicates
K: Doubly connected 4-Ring Chains

Dana 8th edition

77.01.03.01

77: Tektosilicates Tectosilicate Zeolite group
01: Tektosilicates Tectosilicate Zeolite group true zeolites
03: Gismondine and related species

IMA status

Anerkannt von der CNMNC; nach Anerkennung von Gismondin-Sr (IMA2021-043) umbenannt in Gismondin-Ca

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Zeolite group  ⇒ GIS zeolite structure group  ⇒ Gismondine series

Optical Properties

Color

farblos, weiß

Streak color

weiß

max. Birefringence

0.011
Birefringence chart\! Gismondine-Ca title=Birefringence chart Gismondine-Ca

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

1.532

RI value β

1.539

RI value γ / ε

1.543

Ri mean

1.538

2V angle

Biaxial (-) 86°

Optical Data Luminescence

Color LW-UV (365nm)

  

weiß

Color SW-UV (254nm)

  

grün

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

10.02

Cell parameters b (Å)

10.62

Cell parameters c (Å)

9.84

Cell parameters a/b or c/a

0.944

Cell parameters c/b

0.927

Cell parameters α

90°

Cell parameters β

92.42

Cell parameters γ

90°

Z

2

Volumne (ų)

1046.164

X-Ray Powder Diffraction

7.278(100),
4.913(20),
4.271(40),
4.20(30),
4.185(20),
3.185(60),
3.142(30),
2.741(20)
XRD chart Gismondine-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

Hardness (Mohs)

4.5

VHN (Hardness Vickers)

280 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.23 (gemessen)

2.224 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Italien/Latium (Lazio), Region/Rom, Provinz/Capo di Bove

Preface

Author (Name, Year)

von Leonhard, 1817

References

Canadian Mineralogist 35 (1997), 1571

IMA group assignments

Other languages

German

Gismondin-Ca

Spanish

Gismondina-Ca

English

Gismondine-Ca

French

Gismondine-Ce

Russian

Жисмондин

old name

German

Gismondin

Spanish

Gismondina

English

Gismondine

Alternative Name

Spanish

Abracita

German

Abrazit

Italian

Abrazita

Abrazite

English

Gismondite

diskreditierter Name (1997)

CNMNC symbol

Symbol

Gis

Locations with GPS information

IDs

GUSID (Global unique identifier short form) xALNp2PKT0-CTZ9S2-RXlg
GUID (Global unique identifier) A7CD02C4-CA63-4F4F-824D-9F52DBE45796
Database ID 1390