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Heulandite-Ca

Pictures (69 Images total)

Stilbit-Ca, Heulandit-Ca
Views (File:
1644760169
): 2201
Stilbit-Ca, Heulandit-Ca
Weißliche Stilbit-Ca Kristalle und farblose Heulandit-Ca Kristalle auf alterierter Basaltmatrix; Bildbreite 85mm; Fundort: Steinbr. Oddskarðsvegur, Neskaupstaður, Austurland, IS; Analysiert mit Raman und EDX.
Copyright: guefz; Contribution: guefz
Collection: guefz
Location: Island/Ostisland (Austurland), Region/Fjarðabyggð/Neskaupstaður/Steinbruch Oddskarðsvegur
Mineral: Heulandite-Ca, Stilbite-Ca
Image: 1644760169
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Stilbit-Ca, Heulandit-Ca  E
Analysed with energy dispersive X-ray spectroscopy EDX
R
Analysed with RAMAN spectroscopy

Weißliche Stilbit-Ca Kristalle und farblose Heulandit-Ca Kristalle auf alterierter Basaltmatrix; Bildbreite 85mm; Fundort: Steinbr. Oddskarðsvegur, Neskaupstaður, Austurland, IS; Analysiert mit Ram...
Collection: guefz
Copyright: guefz
Contribution: guefz 2022-02-13
Locality: Steinbruch Oddskarðsvegur / Neskaupstaður / Fjarðabyggð / Ostisland (Austurland), Region / Island
Heulandit-Ca
Views (File:
1463772964
): 1331
Heulandit-Ca
Heulandit-Ca, Drio le Pale, Gruppo del Buffaure, Fassa-Tal, Trentino - Südtirol, Italien, 60 x 45 x 30 mm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: Italien/Trentino-Südtirol (Trentino-Alto Adige)/Trentino (Trient, Trento), Provinz/Fassa-Tal (Val di Fassa)/Gruppo del Buffaure/Drio le Pale
Mineral: Heulandite-Ca
Image: 1463772964
Rating: 9.5 (votes: 2)
License: Usage for Mineralienatlas project only
Heulandit-Ca

Heulandit-Ca, Drio le Pale, Gruppo del Buffaure, Fassa-Tal, Trentino - Südtirol, Italien, 60 x 45 x 30 mm
Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2016-05-20
Locality: Drio le Pale / Gruppo del Buffaure / Fassa-Tal (Val di Fassa) / Trentino (Trient, Trento), Provinz / Trentino-Südtirol (Trentino-Alto Adige) / Italien
Heulandit-Ca
Views (File:
1218189382
): 3800, Rating: 8.67
Heulandit-Ca
Größe: 18 mm; Fundort: Drio Le Pale, Moena, Fassatal, Südtirol, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Trentino-Südtirol (Trentino-Alto Adige)/Trentino (Trient, Trento), Provinz/Fassa-Tal (Val di Fassa)/Gruppo del Buffaure/Drio le Pale
Mineral: Heulandite-Ca
Image: 1218189382
Rating: 8.67 (votes: 9)
License: Usage for Mineralienatlas project only
Heulandit-Ca

Größe: 18 mm; Fundort: Drio Le Pale, Moena, Fassatal, Südtirol, Italien
Copyright: Matteo Chinellato
Contribution: Hg 2008-08-08
Locality: Drio le Pale / Gruppo del Buffaure / Fassa-Tal (Val di Fassa) / Trentino (Trient, Trento), Provinz / Trentino-Südtirol (Trentino-Alto Adige) / Italien
Heulandit-Ca
Views (File:
1218189327
): 4303, Rating: 9.25
Heulandit-Ca
Größe: 15 mm; Fundort: Drio Le Pale, Moena, Fassatal, Südtirol, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Trentino-Südtirol (Trentino-Alto Adige)/Trentino (Trient, Trento), Provinz/Fassa-Tal (Val di Fassa)/Gruppo del Buffaure/Drio le Pale
Mineral: Heulandite-Ca
Image: 1218189327
Rating: 9.25 (votes: 4)
License: Usage for Mineralienatlas project only
Heulandit-Ca

Größe: 15 mm; Fundort: Drio Le Pale, Moena, Fassatal, Südtirol, Italien
Copyright: Matteo Chinellato
Contribution: Hg 2008-08-08
Locality: Drio le Pale / Gruppo del Buffaure / Fassa-Tal (Val di Fassa) / Trentino (Trient, Trento), Provinz / Trentino-Südtirol (Trentino-Alto Adige) / Italien
Heulandit-Ca
Views (File:
1239017433
): 2496
Heulandit-Ca
Größe: 2,11 mm; Fundort: Contrada Bagattei, Vestenanuova, Verona, Venetien (Veneto), Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Venetien (Veneto), Region/Verona, Provinz/San Giovanni Ilarione/Cava Cattignano (Bagattei)
Mineral: Heulandite-Ca
Image: 1239017433
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Heulandit-Ca

Größe: 2,11 mm; Fundort: Contrada Bagattei, Vestenanuova, Verona, Venetien (Veneto), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2009-04-06
Locality: Cava Cattignano (Bagattei) / San Giovanni Ilarione / Verona, Provinz / Venetien (Veneto), Region / Italien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color weiß, rötlichweiß, grauweiß, bräunlich weiß, gelb
Streak color weiß
Lustre Glasglanz, Perlmuttglanz
Hardness (Mohs) 3.5 - 4
Solubility +++ Säuren
Crystal System monoklin, C2/m

Chemism

Chemical formula

(Ca,Na,K)5(Si27Al9)O72·26H2O

Additional chem. information

Bei Analysen: Si/Al < 4

Chemical composition

Aluminium, Calcium, Natrium, Silicium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 2795.7695481 u; Number of atoms in the formula: 191

Info

Empirical formula:

(Ca0.6Na0.3K0.1)5(Si27Al9)O72·26H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.87

52

27.23

1.0079470

52.4132440
Oxygen

O

56.08

98

51.31

15.9994300

1,567.9441400
Sodium

Na

1.23

1.5

0.79

22.9897702

34.4846553
Aluminium

Al

8.69

9

4.71

26.9815382

242.8338438
Silicon

Si

27.12

27

14.14

28.0855300

758.3093100
Potassium

K

0.70

0.5

0.26

39.0983100

19.5491550
Calcium

Ca

4.30

3

1.57

40.0784000

120.2352000

Analysis wt%

SiO2 : 57.17, Al2O3 : 17.03, CaO : 7.13, Na2O : 1.39, K2O : 0.73, H2O : 16.71 (Ref: Tschermaks Mineralogische und Petrographische Mitteilungen 72)

Strunz 9th edition incl. updates

9.GE.05

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
E: Tafeln mit 4-4-1-1 Struktureinheiten
05:Heulandit-Gruppe

Lapis Classification

VIII/J.23-010

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

Classification by Hölzel

9.FN.200

9: SILICATES
F: Tektosilicates
N: Heulandite-Group

Dana 8th edition

77.01.04.01

77: Tektosilicates Tectosilicate Zeolite group
01: Tektosilicates Tectosilicate Zeolite group true zeolites
04: Heulandite and related species

IMA status

anerkannt, = Original-Heulandit, umbenannt vom IMA Zeolith-Subkommittee zu Heulandit-Ca

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Zeolite group  ⇒ HEU zeolite structure group  ⇒ Heulandite series

Optical Properties

Color

weiß, rötlichweiß, grauweiß, bräunlich weiß, gelb

Streak color

weiß

Diaphaneity (Transparency)

transparent bis teilweise durchscheinend

Lustre

Glasglanz, Perlmuttglanz

max. Birefringence

0.008
Birefringence chart\! Heulandite-Ca title=Birefringence chart Heulandite-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

1.496

RI value β

1.498

RI value γ / ε

1.504

Ri mean

1.499

2V angle

Biaxial (+) 35°!

Optical Data Luminescence

Color LW-UV (365nm)

  

grünlich blau

Color SW-UV (254nm)

  

rot

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

17.718

Cell parameters b (Å)

17.897

Cell parameters c (Å)

7.428

Cell parameters a/b or c/a

0.990

Cell parameters c/b

0.415

Cell parameters α

90°

Cell parameters β

116.42

Cell parameters γ

90°

Z

1

Volume (ų)

2109.404

X-Ray Powder Diffraction

8.96(100),
4.65(30),
3.980(60),
3.897(40),
3.429(20),
3.125(20),
2.992(30),
2.972(90)
XRD chart Heulandite-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)

3.5 - 4

VHN (Hardness Vickers)

160 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.2 (gemessen) 2.15 (berechnet)

2.201 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Brasilien/Südosten (Região Sudeste)/Minas Gerais

UK/Schottland/West Dunbartonshire

Preface

Author (Name, Year)

Brooke, 1822

References

Merkle, A.B., and M. Slaughter (1968), Determination and refinement of the structure of heulandite - American Mineralogist 53 (1968), 1120-1138.

Tschermaks Mineralogische und Petrographische Mitteilungen 18 (1972), 129-146.

Natural Zeolites (Gottardi & Galli) (1985), 256.

American Mineralogist 76 (1991), 1872.

European Journal of Mineralogy 10 (1998), 461.

European Journal of Mineralogy 13 (2001), 497.

Comodi, P., G.D. Gatta, & P.F. Zanazzi, High-pressure structural behavior of heulandite: European Journal of Mineralogy 15 (2001), 247-255.

Canadian Mineralogist 35 (1997), 1571.

IMA group assignments

 
Zeolite group
 
 
 

 
 
HEU zeolite structure group
 
 
 

 
 
 
Heulandite series
 
monoklin
 

 
 
 
 
Heulandite-Ba
(Ba,Ca,K,Na,Sr)5(Si27Al9)O72·22H2O
monoklin
C2/m

 
 
 
 
Heulandite-Ca
(Ca,Na,K)5(Si27Al9)O72·26H2O
monoklin
C2/m

 
 
 
 
Heulandite-K
(K,Ca,Na)5(Si27Al9)O72·24H2O
monoklin
C2/m, Cm, C2

 
 
 
 
Heulandite-Na
(Na,Ca)6(Si,Al)36O72·24H2O
monoklin
C2/m, Cm, C2

 
 
 
 
Heulandite-Sr
(Sr,Na,K)5(Si27Al9)O72·24H2O
monoklin
C2, ,

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Actuality: 29. Nov 2024 - 14:48:22

Other languages

German

Heulandit-Ca

Spanish

Heulandita-Ca

English

Heulandite-Ca

French

Heulandite-Ca

Russian

Гейландит-Ca

Alternative Name

Simplified Chinese

片沸石-Ca

Simplified Chinese

钙片沸石

CNMNC symbol

Symbol

Hul-Ca

Locations with GPS information

IDs

GUSID (Global unique identifier short form) MnDo9FQVfUut9EkOKn2xxQ
GUID (Global unique identifier) F4E87032-1554-4B7D-ADF4-490E2A7DB1C5
Database ID 1582