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Indialite

Pictures (7 Images total)

Indialit
Views (Image: 1331045180): 2056
Indialit

Größe: 0,56 mm; Fundort: Nickenicher Sattel, Nickenich, Eifel, Rheinland-Pfalz, Deutschland

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2012-03-06
Locality: Nickenicher Sattel (Eicher Sattel) / Nickenich / Pellenz, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Indialith, Bestimmung unsicher
Views (Image: 1417897638): 1276
Indialith, Bestimmung unsicher (SNr: B002361)

Hexagonale rotbraune Kristalle, BB = <1 mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Rheinland-Pfalz, Deutschland.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2014-12-06
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
INDIALITH als Bestandteil der Paralava
Views (Image: 1349629352): 1464
INDIALITH als Bestandteil der Paralava (SNr: 00691.a)

Absetzerhalde des SDAG Wismut Bergbau Revier Ronneburg, Thüringen, (D) BB.: ca. 11mm; (Ex-Slg.: F.Rüger)

Collection: Daniel Neumann
Copyright: Daniel Neumann
Contribution: Neumann 2012-10-07
Locality: Absetzerhalde / Ronneburg / Greiz, Landkreis / Thüringen / Deutschland
Indialith "flower"
Views (Image: 1482733821): 788
Indialith "flower"

This is what the cerasite ("cherry blossom stones") look like before their typical alteration to mica: a glassy intergrowth of indialite (dark, crudely hexagonal center of the "flower") and cordier...

Collection: Alfredo Petrov
Copyright: alfredo
Contribution: alfredo 2016-12-26
Locality: Nyoigatake / Sakyo-ku / Kyoto, Stadt / Kyoto, Präfektur / Kinki, Region / Honshu / Japan
Indialith
Views (Image: 1510762679): 828
Indialith

Deutschland, Rheinland-Pfalz, Mendig, Nickenicher Weinberg; x - 0,5 mm; analysiert.

Collection: hkern
Copyright: hkern
Contribution: hkern 2017-11-15
Locality: Nickenicher Weinberg (Sattelberg) / Nickenich / Pellenz, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Indialith
Views (Image: 1589830316): 336
Indialith

Nickenicher Weinberg, Eifel. Bildbreite: 1,8mm; Bearbeitung (alles in jpeg):; In Gimp: Drehen, Farbkurven korrigieren, Unscharf maskieren; In Helicon Filter: Helligkeit (Feineinstellung), Farben (W...

Collection: Mabu
Copyright: Mabu
Contribution: Mabu 2020-05-18
Locality: Nickenicher Weinberg (Sattelberg) / Nickenich / Pellenz, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland

Collectors Summary

Color farblos, blass mauve
Streak color weiß
Hardness (Mohs) 7 - 7.5
Crystal System hexagonal, P6/mcc

Chemism

Chem­ical formula

Mg2Al4Si5O18

Chem­ical com­po­si­tion

Aluminium, Magnesium, Silicium, Sauerstoff

Unit weight: 584.9536628 u; Number of atoms in the formula: 29

Info

Empirical formula:

Mg2Al4Si5O18

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

49.23

18

62.07

15.9994300

287.9897400

Magnesium

Mg

8.31

2

6.90

24.3050600

48.6101200

Aluminium

Al

18.45

4

13.79

26.9815382

107.9261528

Silicon

Si

24.01

5

17.24

28.0855300

140.4276500

Anal­y­sis wt%

SiO2 : 47.33, Al2O3 : 32.96, FeO : 12.30, MgO : 5.64 (Ref: Contributions to Mineralogy and Petrology 82)

Strunz 9th edi­tion incl. updates

9.CJ.05

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
J: ~[Si6O18]12- sechser-Einfachringe, ohne inselartig, komplexe [Anionen]
05:Beryll-Gruppe

Lapis Clas­sifica­tion

VIII/E.12-030

VIII: SILIKATE
E: Ringsilikate
12: Sechserringe [Si6O18] 12-

Clas­sifica­tion by Hölzel

9.CC.360

9: SILICATES
C: Cyclosilicates
C: ~[Si6O18]12--Rings Beryl-Group

Dana 8th edi­tion

61.01.01.03

61: Cyclosilicates Cyclosilicate Six-Membered Rings
01: Cyclosilicates Cyclosilicate Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
01: Beryl group

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Beryl group

Optical Properties

Color

farblos, blass mauve

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

max. Birefrin­gence

0.005

Birefringence chart\! Indialite title=Birefringence chart Indialite

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

1.539

RI value γ / ε

1.534

Ri mean

1.537

2V angle

Uniaxial (-)

Crystallography

Crystal Sys­tem

hexagonal

Class (H-M)

6/mmm

Space Group number

192

Space Group

P6/mcc

Cell param­e­ters a (Å)

9.812

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

9.351

Cell param­e­ters a/b or c/a

0.953

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

2

Volumne (ų)

779.657

X-Ray Pow­der Diffrac­tion

8.48(100),
4.89(30),
4.094(50),
3.379(50),
3.138(60),
3.027(80),
2.640(20),
1.688(30)

XRD chart Indialite

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)

7 - 7.5

VHN (Hard­ness Vick­ers)

1450 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.56 (berechnet)

2.492 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Indien/Jharkhand/Bokaro, Distrikt/Bokaro Kohlefeld

Preface

Author (Name, Year)

Miyashiro & Iiyama, 1954

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 367

Balassone, G., Franco, E., Mattia, C. A. and Puliti, R. - Indialite in xenolithic rocks from Somma-Vesuvius volcano (Southern Italy): Crystal chemistry and petrogenetic features. American Mineralogist 89 (2004), 1-6.

IMA group assignments

 
 
 
 

 
 
(Na,Cs)(Be2Li)Al2(Si6O18)
hexagonal
P63/mmc

 
 
Be3(Sc,Al)2Si6O18
hexagonal
P6/mcc

 
 
Be3Al2Si6O18
hexagonal
P6/mcc

 
 
Mg2Al4Si5O18
orthorhombisch
Cccm

 
 
(Fe2+,Mg)2Al4Si5O18
hexagonal
P6/mcc

 
 
Mg2Al4Si5O18
hexagonal
P6/mcc

 
 
Cs[Be2B]Mg2Si6O18
hexagonal
P6/mcc

 
 
Cs(Be2Li)Al2Si6O18
trigonal
R3c

 
 
(Fe2+,Mg)2Al4Si5O18
orthorhombisch
Cccm

 
 
Fe3+2Be3Si6O18·H2O
hexagonal
P6/mcc

Refresh list

Actuality: 20. Oct 2021 - 16:46:24

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Bazzite

Be3(Sc,Al)2Si6O18

hexagonal : 6/mmm : P6/mcc

9.CJ.05

Beryl

Be3Al2Si6O18

hexagonal : 6/mmm : P6/mcc

9.CJ.05

Avdeevite

(Na,Cs)(Be2Li)Al2(Si6O18)

hexagonal : 6/mmm : P63/mmc

9.CJ.05

'Morganite' (Var.v. Beryl)

Be3Al2Si6O18

hexagonal : 6/mmm : P6/mcc

9.CJ.05

'Aquamarine' (Var.v. Beryl)

Be3Al2Si6O18

hexagonal : 6/mmm : P6/mcc

9.CJ.05

Indialite

Mg2Al4Si5O18

hexagonal : 6/mmm : P6/mcc

9.CJ.05

Pezzottaite

Cs(Be2Li)Al2Si6O18

trigonal : 3m : R3c

9.CJ.05

Stoppaniite

Fe3+2Be3Si6O18·H2O

hexagonal : 6/mmm : P6/mcc

9.CJ.05

Ferroindialite

(Fe2+,Mg)2Al4Si5O18

hexagonal : 6/mmm : P6/mcc

9.CJ.05

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Beryl

Be3Al2Si6O18

hexagonal : 6/mmm : P6/mcc

VIII/E.12-010

Bazzite

Be3(Sc,Al)2Si6O18

hexagonal : 6/mmm : P6/mcc

VIII/E.12-020

Stoppaniite

Fe3+2Be3Si6O18·H2O

hexagonal : 6/mmm : P6/mcc

VIII/E.12-025

Pezzottaite

Cs(Be2Li)Al2Si6O18

trigonal : 3m : R3c

VIII/E.12-027

Indialite

Mg2Al4Si5O18

hexagonal : 6/mmm : P6/mcc

VIII/E.12-030

Cordierite

Mg2Al4Si5O18

orthorhombisch : mmm : Cccm

VIII/E.12-040

Sekaninaite

(Fe2+,Mg)2Al4Si5O18

orthorhombisch : mmm : Cccm

VIII/E.12-050

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Cordierite

Mg2Al4Si5O18

orthorhombisch : mmm : Cccm

9.CC.300

Sekaninaite

(Fe2+,Mg)2Al4Si5O18

orthorhombisch : mmm : Cccm

9.CC.320

Indialite

Mg2Al4Si5O18

hexagonal : 6/mmm : P6/mcc

9.CC.360

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Beryl

Be3Al2Si6O18

hexagonal : 6/mmm : P6/mcc

61.01.01.01

Bazzite

Be3(Sc,Al)2Si6O18

hexagonal : 6/mmm : P6/mcc

61.01.01.02

Indialite

Mg2Al4Si5O18

hexagonal : 6/mmm : P6/mcc

61.01.01.03

Stoppaniite

Fe3+2Be3Si6O18·H2O

hexagonal : 6/mmm : P6/mcc

61.01.01.04

Pezzottaite

Cs(Be2Li)Al2Si6O18

trigonal : 3m : R3c

61.01.01.05

Lovozerite

Na3CaZrSi6O15(OH)3

trigonal : 3 : R3

61.01.02a.01

Kazakovite

Na6(Mn,H2)TiSi6O18

trigonal : 3m : R3m

61.01.02a.02

Tisinalite

Na3H3(Mn2+,Ca,Fe)TiSi6(O,OH)18·2H2O

trigonal : 3 : P3

61.01.02a.03

Zirsinalite

Na6(Ca,Mn,Fe2+)ZrSi6O18

trigonal : 3m : R3m

61.01.02a.04

Combeite

Na2Ca2Si3O9

trigonal : 32 : P3121

61.01.02a.05

Kapustinite

Na5.5Mn0.25ZrSi6O16(OH)2

monoklin : 2/m : C2/m

61.01.02a.06

Imandrite

Na12Ca3Fe23+Si12O36

orthorhombisch : mmm : Pmnn

61.01.02b.01

Koashvite

Na6(Ca,Mn)(Ti,Fe)Si6O18·H2O

orthorhombisch : mmm : Pmnb

61.01.02b.02

Petarasite

Na5Zr2Si6O18(Cl,OH)·2H2O

monoklin : 2/m : P21/m

61.01.02b.03

Litvinskite

Na2(Na,Mn2+)&lt;1Zr[Si6(O,OH)18]

monoklin : m : Cm

61.01.02b.04

Dioptase

CuSiO3·H2O

trigonal : 3 : R3

61.01.03.01

Baratovite

KCa7(Ti,Zr)2Li3Si12O36F2

monoklin : 2/m : C2/c

61.01.04.01

Katayamalite

KLi3Ca7Ti2(SiO3)12(OH)2

monoklin : 2/m : C2/c

61.01.04.02

Odintsovite

K2(Na,Li)4Ca3Be4Ti4+2[O|Si6O18]2

orthorhombisch : mmm : Fddd

61.01.05.01

Gerenite-(Y)

(Ca,Na)2(Y,Ce)3[Si6O18]·2H2O

triklin : 1 : P1

61.01.06.01

Varieties

Cerasite (of Kukuchi)

Cordierit im Trapiche-Habitus. Üblicherweise zu Muskovit/Serizit umgewandelt. Siehe auch Pinit

Alternative Name

German

Indialit

CNMNC symbol

Symbol

Ind

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

German pages

DeWikiPedia - search for: Indialith
Google-Bilder-Suche - search for: Indialith
Mineralogisch-Petrographisches-Institut Hamburg - search for: Indialith

English pages

Mindat - search for: Indialite
Webmineral - search for:Indialite
Handbook-of-Mineralogy - search for: Indialite
RRUFF - Raman, XRD and other mineral data - search for: Indialite
RRUFF - References and PDF downloads - search for: Indialite
American-Mineralogist-Crystal-Structure-Database - search for: Indialite
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Russian pages

Webmineral.ru - search for: Индиалит

Mineral Dealer

German pages

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Locations with GPS information