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Heulandite-Sr

Pictures (4 Images total)

Heulandit-Sr
Views (Image: 1264079705): 1256
Heulandit-Sr

Bildbreite: 3,14 mm; Fundort: Campegli Mine, Campegli, Castiglione Chiavarese, Genova, Provinz, Ligurien (Liguria), Region, Italien
Copyright: Matteo Chinellato
Contribution: Hg 2010-01-21
Locality: Campegli Mine / Campegli / Castiglione Chiavarese / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Heulandit-Sr mit Chabasit-Ca (rechts)
Views (Image: 1324720705): 1038
Heulandit-Sr mit Chabasit-Ca (rechts)

Größe: 5,56 mm, Fundort: Campegli Mine, Campegli, Castiglione Chiavarese, Genova, Provinz, Ligurien (Liguria), Region, Italien
Copyright: Matteo Chinellato
Contribution: Hg 2011-12-24
Locality: Campegli Mine / Campegli / Castiglione Chiavarese / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Heulandit-Sr mit Chabasit-Ca (links)
Views (Image: 1324720642): 879
Heulandit-Sr mit Chabasit-Ca (links)

Größe: 7,15 mm, Fundort: Campegli Mine, Campegli, Castiglione Chiavarese, Genova, Provinz, Ligurien (Liguria), Region, Italien
Copyright: Matteo Chinellato
Contribution: Hg 2011-12-24
Locality: Campegli Mine / Campegli / Castiglione Chiavarese / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien
Heulandit-Sr
Views (Image: 1324819811): 785
Heulandit-Sr

Größe: 3,82 mm, Fundort: Campegli Mine, Campegli, Castiglione Chiavarese, Genova, Provinz, Ligurien (Liguria), Region, Italien
Copyright: Matteo Chinellato
Contribution: Hg 2011-12-25
Locality: Campegli Mine / Campegli / Castiglione Chiavarese / Genua (Genova), Metropolitanstadt / Ligurien (Liguria), Region / Italien

Collectors Summary

Color weiß, rötlichweiß, grauweiß, bräunlich weiß, gelb
Streak color weiß
Hardness (Mohs) 3 - 3.5
Crystal System monoklin, C2, ,

Chemism

Chem­ical formula

(Sr,Na,K)5(Si27Al9)O72·24H2O

Addi­tional chem. informa­tion

Bei Analysen: Si/Al < 4

Chem­ical com­po­si­tion

Aluminium, Natrium, Silicium, Strontium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 2902.3667001 u; Number of atoms in the formula: 185

Info

Empirical formula:

(Sr0.6Na0.3K0.1)5(Si27Al9)O72·24H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.67

48

25.95

1.0079470

48.3814560
Oxygen

O

52.92

96

51.89

15.9994300

1,535.9452800
Sodium

Na

1.19

1.5

0.81

22.9897702

34.4846553
Aluminium

Al

8.37

9

4.86

26.9815382

242.8338438
Silicon

Si

26.13

27

14.59

28.0855300

758.3093100
Potassium

K

0.67

0.5

0.27

39.0983100

19.5491550
Strontium

Sr

9.06

3

1.62

87.6210000

262.8630000

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.23-012

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

Clas­sifica­tion by Hölzel

9.FN.202

9: SILICATES
F: Tektosilicates
N: Heulandite-Group

Dana 8th edi­tion

77.01.04.01c

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

IMA sta­tus

anerkannt, Name vorgeschlagen vom Zeolith-Subkommittee (1997) für Sr-dominanten Heulandit

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

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2, m, 2

Space Group number

5, 8, 5

Space Group

C2, ,

Cell param­e­ters a (Å)

17.655

Cell param­e­ters b (Å)

17.877

Cell param­e­ters c (Å)

7.396

Cell param­e­ters a/b or c/a

0.988

Cell param­e­ters c/b

0.414

Cell param­e­ters α

90°

Cell param­e­ters β

116.65

Cell param­e­ters γ

90°

Z

1

Volumne (ų)

2086.324

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3 - 3.5

Density (g/cm³)

2.2

2.31 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Italien/Ligurien (Liguria), Region/Genua (Genova), Metropolitanstadt/Castiglione Chiavarese/Campegli/Campegli Mine

Preface

Author (Name, Year)

Coombs & u.w., 1997

References

American Mineralogist 57 (1972), 1463.

Alberti, A., On the crystal structure of the zeolite heulandite: Tschermaks Mineralogische und Petrographische Mitteilungen 18 (1972), 129-146.

Neues Jahrbuch für Mineralogie, Monatshefte (1982), 541.

American Mineralogist 85 (2000), 225.

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

American Mineralogist 88 (2003), 527.

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: 19. Jun 2022 - 21:48:49

Other languages

German

Heulandit-Sr

Spanish

Heulandita-Sr

English

Heulandite-Sr

French

Heulandite-Sr

Russian

Гейландит-Sr

Alternative Name

Strontium-heulandite

Simplified Chinese

片沸石-Sr

Simplified Chinese

锶片沸石

CNMNC symbol

Symbol

Hul-Sr

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

German pages

 DeWikiPedia - search for: Heulandit-Sr
Google-Bilder-Suche - search for: Heulandit-Sr
Mineralienatlas.de (Forum) - search for: Heulandit-Sr

English pages

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Handbook-of-Mineralogy - search for: Heulandite-Sr
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RRUFF - References and PDF downloads - search for: Heulandite-Sr
American-Mineralogist-Crystal-Structure-Database - search for: Heulandite-Sr
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Russian pages

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Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Heulandit-Sr
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Locations with GPS information