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Ferroindialite

Pictures (2 Images total)

Ferroindialith
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Ferroindialith
Bellerberg, Eifel. BB 2,1mm
Copyright: Mabu; Contribution: Mabu
Collection: Mabu
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Ferroindialite
Image: 1433277422
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Ferroindialith

Bellerberg, Eifel. BB 2,1mm

Collection: Mabu
Copyright: Mabu
Contribution: Mabu 2015-06-02
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Vordereifel, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Ferroindialith
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Ferroindialith
Bellerberg, Eifel. BB 4,5mm
Copyright: Mabu; Contribution: Mabu
Collection: Mabu
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Ferroindialite
Image: 1396289312
License: Usage for Mineralienatlas project only
Ferroindialith

Bellerberg, Eifel. BB 4,5mm

Collection: Mabu
Copyright: Mabu
Contribution: Mabu 2014-03-31
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Vordereifel, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color braunviolett bis blauviolett
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 7
Fracture muschelig
Crystal System hexagonal, P6/mcc

Chemism

Chemical formula

(Fe2+,Mg)2Al4Si5O18

Empirical formula (analysis)

(K0.06Na0.03)( Fe2+1.12Mg0.78Mn0.10)(Al3.79Fe3+0.21)Si4.98O18

Additional chem. information

Beryl-Gruppe

Chemical composition

Aluminium, Eisen, Magnesium, Silicium, Sauerstoff

Unit weight: 631.877168674 u; Number of atoms in the formula: 29.07

Info

Empirical formula:

(K0.06Na0.03)(Fe1.12Mg0.78Mn0.10)(Al3.79Fe0.21)Si4.98O18

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

45.58

18

61.92

15.9994300

287.9897400

Sodium

Na

0.11

0.03

0.10

22.9897702

0.6896931

Magnesium

Mg

3.00

0.78

2.68

24.3050600

18.9579468

Aluminium

Al

16.18

3.79

13.04

26.9815382

102.2600298

Silicon

Si

22.13

4.98

17.13

28.0855300

139.8659394

Potassium

K

0.37

0.06

0.21

39.0983100

2.3458986

Manganese

Mn

0.87

0.1

0.34

54.9380499

5.4938050

Iron

Fe

11.75

1.33

4.58

55.8452000

74.2741160

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.12-035

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

IMA status

anerkannt - CNMNC Newsletter No. 16, August 2013

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Beryl group

Optical Properties

Color

braunviolett bis blauviolett

Streak color

weiß

Diaphaneity (Transparency)

durchscheinend

Lustre

Glasglanz

max. Birefringence

0.015

Birefringence chart\! Ferroindialite title=Birefringence chart Ferroindialite

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 β

1.552

RI value γ / ε

1.554

Ri mean

1.548

2V angle

Biaxial (-) -43° (berechnet)

Orientation

X = c

Dispersion

schwach, r < v

Pleochroism

schwach, X = farblos, Z = blass violett

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

192

Space Group

P6/mcc

Cell parameters a (Å)

9.8759

Cell parameters b (Å)

-

Cell parameters c (Å)

9.3102

Cell parameters a/b or c/a

0.943

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volume (ų)

786.399

X-Ray Powder Diffraction

8.59(100), 4.094(27), 3.390(35), 3.147(19), 3.055(31), 2.657(12), 1.695(9)

XRD chart Ferroindialite

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

Density (g/cm³)

2.66(1) (gemessen) 2.667 (berechnet)

2.668 ( ρ calc. Mineralienatlas )

Fracture

muschelig

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)

Type material

Fersman Mineralogical Museum of the Russian Academy of Sciences, Moskau, Russaland, Russia

Collection number of type material

4400/1

Paragenesis of type material

Sanidin, Phlogopit, Augit, Fluorapatit

Preface

Occurrences

Ferroindialith ist das Produkt einer Kontaktmetamorphose eines Xenolithen eines pelitischen Gesteins (???)

Associations

Sanidin, Phlogopit, Augit, Fluorapatit

Author (Name, Year)

Nikita V. Chukanov, Sergey M. Aksenov, Igor V. Pekov, Bernd Ternes, Willi Schüller, Dmitriy I. Belakovskiy, Konstantin V. Van und Günter Blass (2013)

References

Chukanov, N.V., Aksenov, S.M., Pekov, I.G., Ternes, B., Schüller, W., Belakovskiy, D.I., Van, K.V. and Blass, G. (2013) Ferroindialite, IMA 2013-016. CNMNC Newsletter No. 16, August 2013, page 2704; Mineralogical Magazine, 77, 2695-2709.

N. V. Chukanov, S. M. Aksenov, I. V. Pekov, B. Ternes, W. Schüller, D. I. Belakovskiy, K. V. Van, G. Blass: Ferroindialite (Fe2+,Mg)2Al4Si5O18, a new beryl-group mineral from the Eifel volcanic region, Germany. Geology of Ore Deposits Vol. 56, Issue 8 (2014) S. 637–643.

IMA group assignments

 
 
 
 

 
 
NaAl4(Be5Li)(Si6O18)2(H2O)1-2
hexagonal
P6/mcc

 
 
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

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Actuality: 19. Jun 2024 - 01:21:03

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English

Ferroindialite

German

Ferroindialith

Russian

Ферроиндиалит

CNMNC (IMA)-Number

IMA 2013-016

CNMNC symbol

Symbol

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Locations with GPS information

IDs

GUSID (Global unique identifier short form) vNvu5cEuFUyqsZvVYHmRrQ
GUID (Global unique identifier) E5EEDBBC-2EC1-4C15-AAB1-9BD5607991AD
Database ID 7602