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Stellerite

Pictures (52 Images total)

Stellerit
Views (Image: 1375541160): 1295
Stellerit (SNr: 4345)

Langtafelige farblose Kristalle, BB = 2,5 mm, Fundort:; Steinbruch Malomvölgy, Csák Hegy, Szob, Pest, Ungarn.

Collection: Manfred Früchtl
Copyright: Manfred Früchtl
Contribution: Manfred Früchtl 2013-08-03
Locality: Köbánya Malomvölgy / Csák Hegy / Szob / Szob, Kreis / Pest, Komitat / Ungarn
Stellerit xx
Views (Image: 1227781886): 4509
Stellerit xx

Größe des Aggregats 4cm; F.O.: Chakan, Pune (Poona), Maharashtra, Dekkan Trap Basalt, Indien

Collection: P. Happel
Copyright: skibbo
Contribution: skibbo 2008-11-27
Locality: Chakan / Pune (Poona), Distrikt / Maharashtra / Indien
Stellerit
Views (Image: 1231412978): 3547
Stellerit

Stellerit-Kugeln bis 3 cm Durchmesser mit Calcit. Fundort: Sokolovsko-Sabajskij bei Rudnyj, Kasachstan

Collection: terra mineralia
Copyright: berthold
Contribution: berthold 2009-01-08
Locality: Rudny / Sokolov-Sarbai / Qostanay oblysy (Qostanai; Kustany) / Kasachstan
Stellerit
Views (Image: 1315396172): 2708
Stellerit

Größe: 1,17 mm; Fundort: Punta de Libezzu, Alghero, Sassari, Provinz, Sardinien (Sardegna), Region, Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-07
Locality: Punta de Libezzu / Alghero / Sassari, Provinz / Sardinien (Sardegna), Region / Italien
Stellerit
Views (Image: 1155332196): 2728, Rating: 7
Stellerit

Stellerit XX; Fundort: Gibelsbach, Fiesch, Wallis, Schweiz; Bildbreite: 5cm

Collection: guefz
Copyright: guefz
Contribution: guefz 2006-08-11
Locality: Gibelbach (Gibelsbach; Giebelsbach) / Fiesch / Goms, Bezirk / Wallis, Kanton / Schweiz
Stellerit
Views (Image: 1136238212): 555
Stellerit

Kristallfächer ca. 4 x 8 mm; Fundort: Imilchil, Anti-Atlas, Marokko; Größe: 5,5 x 4,5 x 1,8 cm

Copyright: Torben
Contribution: Torben 2006-01-02
Locality: Imilchil / Imilchil, Cercle / Midelt, Provinz / Drâa-Tafilalet, Region / Marokko

Collectors Summary

Color weiß, rosa, Salmon orange, braun, rot
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 3.75
Solubility +++ Säuren
Crystal System orthorhombisch, Fmmm
Morphology Fächerförmige Aggregate, auch gedrungene Kristalle

Chemism

Chem­ical formula

Ca4(Si28Al8)O72·28H2O

Chem­ical com­po­si­tion

Aluminium, Calcium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 2818.9487776 u; Number of atoms in the formula: 196

Info

Empirical formula:

Ca4(Si28Al8)O72·28H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.00

56

28.57

1.0079470

56.4450320

Oxygen

O

56.76

100

51.02

15.9994300

1,599.9430000

Aluminium

Al

7.66

8

4.08

26.9815382

215.8523056

Silicon

Si

27.90

28

14.29

28.0855300

786.3948400

Calcium

Ca

5.69

4

2.04

40.0784000

160.3136000

Anal­y­sis wt%

SiO2 : 59.10, Al2O3 : 14.62, CaO : 7.96, H2O : 17.98 (Ref: Bulletin de Mineralogie 78)

Strunz 9th edi­tion incl. updates

9.GE.15

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

Lapis Clas­sifica­tion

VIII/J.23-050

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

Clas­sifica­tion by Hölzel

9.FN.100

9: SILICATES
F: Tektosilicates
N: Heulandite-Group

Dana 8th edi­tion

77.01.04.04

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

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Zeolite group  ⇒ STI zeolite structure group

Optical Properties

Color

weiß, rosa, Salmon orange, braun, rot

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

Lus­tre

Glasglanz

max. Birefrin­gence

0.013

Birefringence chart\! Stellerite title=Birefringence chart Stellerite

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

1.484

RI value β

1.494

RI value γ / ε

1.497

Ri mean

1.492

2V angle

Biaxial (-) 45°~

Optical Data Luminescence

Color LW-UV (365nm)

 

gelblich weiß

LW-UV Intensity

schwach

Color SW-UV (254nm)

 

gelblich weiß

SW-UV Intensity

schwach

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

69

Space Group

Fmmm

Cell param­e­ters a (Å)

13.583

Cell param­e­ters b (Å)

18.237

Cell param­e­ters c (Å)

17.845

Cell param­e­ters a/b or c/a

0.745

Cell param­e­ters c/b

0.979

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

4420.442

X-Ray Pow­der Diffrac­tion

9.03(100),
4.655(10),
4.057(40),
3.397(10),
3.181(10),
3.028(20),
3.003(10),
2.771(10)

XRD chart Stellerite

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

Morphol­ogy

Fächerförmige Aggregate, auch gedrungene Kristalle

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3.75

VHN (Hard­ness Vick­ers)

160 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.12 - 2.13 / Durchschnittlich = 2.12

2.118 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

Preface

Author (Name, Year)

Morozewicz, 1909

References

Canadian Mineralogist 35 (1997), 1571

IMA group assignments

Other languages

German

Stellerit

Spanish

Stellerita

French

Stellerite

English

Stellerite

Russian

Стеллерит

Traditional Chinese

紅輝沸石

Simplified Chinese

红辉沸石

Alternative Name

Traditional Chinese

淡紅沸石

Simplified Chinese

淡红沸石

CNMNC symbol

Symbol

Ste

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

German pages

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

English pages

Mindat - search for: Stellerite
Webmineral - search for:Stellerite
Handbook-of-Mineralogy - search for: Stellerite
RRUFF - Raman, XRD and other mineral data - search for: Stellerite
RRUFF - References and PDF downloads - search for: Stellerite
American-Mineralogist-Crystal-Structure-Database - search for: Stellerite
Strahlen.org - search for: Stellerite

Russian pages

Webmineral.ru - search for: Стеллерит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Stellerit
Crystal-Treasure.com - search for: Stellerit
Bosse - search for: Stellerit
Edelsteine Neuburg - Gundolf Fischer - search for: Stellerit

Locations with GPS information