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Epistilbite (Epistilbit)

Pictures (40 Images total)

Epistilbit
Views (File:
1293661596
): 1368
Epistilbit
Größe: 1,16 mm; Fundort: Steinbruch Puu o Ehu, Kailua, Insel Oahu, Hawaii, USA
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: USA/Hawaii/Honolulu Co./O'ahu (Oahu), Insel/Kailua/Steinbruch Puu o Ehu
Mineral: Epistilbite
Image: 1293661596
Rating: 8.67 (votes: 3)
License: Usage for Mineralienatlas project only
Epistilbit

Größe: 1,16 mm; Fundort: Steinbruch Puu o Ehu, Kailua, Insel Oahu, Hawaii, USA
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-29
Locality: Steinbruch Puu o Ehu / Kailua / O'ahu (Oahu), Insel / Honolulu Co. / Hawaii / USA
Epistilbit
Views (File:
1231056817
): 2851
Epistilbit
Fundort: Jalgaon, Maharashtra, Indien; Größe: 49x46x45 mm
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: Indien/Maharashtra/Jalgaon, Distrikt
Mineral: Epistilbite
Image: 1231056817
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Epistilbit

Fundort: Jalgaon, Maharashtra, Indien; Größe: 49x46x45 mm
Copyright: Rob Lavinsky
Contribution: slugslayer 2009-01-04
Locality: Jalgaon, Distrikt / Maharashtra / Indien
Epistilbit
Views (File:
1650639359
): 114
Epistilbit
Epistilbit; Siatorská Bukovinka,Slowakei; Stufengröße: 4 x 3 cm
Copyright: Rockhounder; Contribution: Rockhounder
Collection: Rockhounder
Location: Slowakei/Banskobystrický kraj/Lučenec, Okres/Siatorská Bukovinka
Mineral: Epistilbite
Image: 1650639359
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Epistilbit

Epistilbit; Siatorská Bukovinka,Slowakei; Stufengröße: 4 x 3 cm
Collection: Rockhounder
Copyright: Rockhounder
Contribution: Rockhounder 2022-04-22
Locality: Siatorská Bukovinka / Lučenec, Okres / Banskobystrický kraj / Slowakei
Epistilbit
Views (File:
1377446329
): 2333, Rating: 8.2
Epistilbit
Langprismatische farblose Kristallgruppe mit Adular, BB = 3,8 mm; Fundort: Arvigo, Calancatal, Graubünden, Schweiz.
Copyright: Bebo; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A024981, Donator: eschuhbauer
Location: Schweiz/Graubünden, Kanton/Moesa (Misox), Region/Calanca/Arvigo
Mineral: Epistilbite
Image: 1377446329
Rating: 8.2 (votes: 5)
License: Usage for Mineralienatlas project only
Epistilbit (SNr: A024981)

Langprismatische farblose Kristallgruppe mit Adular, BB = 3,8 mm; Fundort: Arvigo, Calancatal, Graubünden, Schweiz.
Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2013-08-25
Locality: Arvigo / Calanca / Moesa (Misox), Region / Graubünden, Kanton / Schweiz
rosarote Epistilbit XX mit Heulandit XX
Views (File:
1147043631
): 1694, Rating: 7.5
rosarote Epistilbit XX mit Heulandit XX
Größe: 85x72x42mm; Fundort: Jalgaon, Maharashtra, Indien
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: Indien/Maharashtra/Jalgaon, Distrikt
Mineral: Epistilbite
Image: 1147043631
Rating: 7.5 (votes: 4)
License: Usage for Mineralienatlas project only
rosarote Epistilbit XX mit Heulandit XX

Größe: 85x72x42mm; Fundort: Jalgaon, Maharashtra, Indien

Copyright: Rob Lavinsky
Contribution: slugslayer 2006-05-08
Locality: Jalgaon, Distrikt / Maharashtra / Indien
Epistilbit
Views (File:
1231056904
): 2314
Epistilbit
Fundort: Poona, Maharashtra, Indien; Größe: 52x45x35 mm
Copyright: Rob Lavinsky; Contribution: slugslayer
Location: Indien/Maharashtra/Pune (Poona), Distrikt
Mineral: Epistilbite
Image: 1231056904
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Epistilbit

Fundort: Poona, Maharashtra, Indien; Größe: 52x45x35 mm
Copyright: Rob Lavinsky
Contribution: slugslayer 2009-01-04
Locality: Pune (Poona), Distrikt / Maharashtra / Indien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color farblos bis weiß, rosa, gelblich.
Streak color weiß
Lustre Glasglanz bis Perlmuttglanz
Hardness (Mohs) 4
Solubility +++ Säuren
Crystal System monoklin, C2
Morphology pseudo-orthorhombischer Habitus, kurzprismatische Kristalle, meist nach c gestreckt.

Chemism

Chemical formula

Ca3(Si18Al6)O48·16H2O

Chemical composition

Aluminium, Calcium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 1843.8817932 u; Number of atoms in the formula: 123

Info

Empirical formula:

Ca3(Si18Al6)O48·16H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.75

32

26.02

1.0079470

32.2543040
Oxygen

O

55.53

64

52.03

15.9994300

1,023.9635200
Aluminium

Al

8.78

6

4.88

26.9815382

161.8892292
Silicon

Si

27.42

18

14.63

28.0855300

505.5395400
Calcium

Ca

6.52

3

2.44

40.0784000

120.2352000

Analysis wt%

SiO2 : 57.40, Al2O3 : 17.70, CaO : 8.40, Na2O : 0.60, H2O : 15.30 (Ref: American Mineralogist 74)

Strunz 9th edition incl. updates

9.GD.45

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
D: Ketten von fünfer-Ringen
45:Epistilbit-Gruppe

Lapis Classification

VIII/J.23-070

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

Classification by Hölzel

9.FM.320

9: SILICATES
F: Tektosilicates
M: Mordenite-Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Zeolite group  ⇒ EPI zeolite structure group

Optical Properties

Color

farblos bis weiß, rosa, gelblich.

Streak color

weiß

Lustre

Glasglanz bis Perlmuttglanz

max. Birefringence

0.010
Birefringence chart\! Epistilbite title=Birefringence chart Epistilbite

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

1.502

RI value β

1.510

RI value γ / ε

1.512

Ri mean

1.508

2V angle

Biaxial (-) 45°~

Optical Data Luminescence

Color LW-UV (365nm)

  

weiß

Color SW-UV (254nm)

  

weiß

SW-UV Intensity

sehr schwach

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin

Class (H-M)

2

Space Group number

5

Space Group

C2

Cell parameters a (Å)

9.096

Cell parameters b (Å)

17.761

Cell parameters c (Å)

10.236

Cell parameters a/b or c/a

0.512

Cell parameters c/b

0.576

Cell parameters α

90°

Cell parameters β

124.58

Cell parameters γ

90°

Z

1

Volumne (ų)

1361.521

X-Ray Powder Diffraction

8.90(100),
6.90(30),
4.92(50),
3.924(20),
3.870(70),
3.446(90),
3.208(80),
2.917(50)
XRD chart Epistilbite

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

Morphology

pseudo-orthorhombischer Habitus, kurzprismatische Kristalle, meist nach c gestreckt.

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4

VHN (Hardness Vickers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.2 - 2.3

2.249 ( ρ calc. Mineralienatlas )

Radioactivity

nicht vorhanden

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Island/Ostisland (Austurland), Region/Suður-Múlasysla/Berufjörður/Bulandstindur/Teigarhorn

Type material

Mineraliensammlung des Museums für Naturkunde Berlin

Collection number of type material

Probe 1999-0100

Preface

Occurrences

Epistilbit findet sich in Hohlräumen vulkanischer Gesteine und auf Alpinen Klüften.

Rareness

lt. Lapis-Mineralienverzeichnis - + -

Author (Name, Year)

Rose, 1826

References

Canadian Mineralogist 35 (1997), 1571

IMA group assignments

Other languages

German

Epistilbit

Spanish

Epistilbita

English

Epistilbite

French

Epistilbite

Russian

Эпистильбит

Simplified Chinese

柱沸石

Alternative Name

German

Makrotyper Monophan

German

Monophan

Monophane

German

Orizit

Spanish

Orizita

Orizite

German

Oryzit

Spanish

Oryzita

English

Oryzite

CNMNC symbol

Symbol

Estb

Locations with GPS information

IDs

GUSID (Global unique identifier short form) oZNITvh910yyJt3royoIaA
GUID (Global unique identifier) 4E4893A1-7DF8-4CD7-B226-DDEBA32A0868
Database ID 1040