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Enstatite

Pictures (83 Images total)

Enstatit
Views (File:
1646171001
): 952
Enstatit
Hellbraune Enstatit Kristalle zusammen mit dünnen Fluorophlogopit Tafeln im Hohlraum eines Xenolithen; Bildbreite 5mm; Fundort: Steinbr. Wartgesberg, Strohn, Daun, RLP, DE; Analyse mit Raman-Spektroskopie und EDX.
Copyright: guefz; Contribution: guefz
Collection: guefz
Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Daun/Strohn/Wartgesberg
Mineral: Enstatite
Image: 1646171001
License: Usage for Mineralienatlas project only
Enstatit  E
Analysed with energy dispersive X-ray spectroscopy EDX
R
Analysed with RAMAN spectroscopy

Hellbraune Enstatit Kristalle zusammen mit dünnen Fluorophlogopit Tafeln im Hohlraum eines Xenolithen; Bildbreite 5mm; Fundort: Steinbr. Wartgesberg, Strohn, Daun, RLP, DE; Analyse mit Raman-Spektr...
Collection: guefz
Copyright: guefz
Contribution: guefz 2022-03-01
Locality: Wartgesberg / Strohn / Daun / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland
Enstatit auf Hämatit
Views (File:
1255428536
): 13818, Rating: 9.69
Enstatit auf Hämatit
Bildbreite: 3 mm; Fundort: Mayener Bellerberg, Mayener Feld, Ettringer Bellerberg, Ettringen, Eifel, Deutschland
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Mayener Bellerberg
Mineral: Enstatite
Image: 1255428536
Rating: 9.69 (votes: 13)
License: Usage for Mineralienatlas project only
Enstatit auf Hämatit

Bildbreite: 3 mm; Fundort: Mayener Bellerberg, Mayener Feld, Ettringer Bellerberg, Ettringen, Eifel, Deutschland
Copyright: Stephan Wolfsried
Contribution: Hg 2009-10-13
Locality: Mayener Bellerberg / Bellerberg / Ettringen / Vordereifel, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Enstatit
Views (File:
1307954449
): 8905
Enstatit
Größe: 1,3 mm; Fundort: Canteras de la Aljorra, La Aljorra, Campo de Cartagena, Murcia, Spanien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Spanien/Murcia/Sierra de Cartagena/La Aljorra/La Aljorra Quarries
Mineral: Enstatite
Image: 1307954449
Rating: 10 (votes: 2)
License: Usage for Mineralienatlas project only
Enstatit

Größe: 1,3 mm; Fundort: Canteras de la Aljorra, La Aljorra, Campo de Cartagena, Murcia, Spanien
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-06-13
Locality: La Aljorra Quarries / La Aljorra / Sierra de Cartagena / Murcia / Spanien
Enstatit
Views (File:
1248353016
): 9832, Rating: 9.27
Enstatit
Bildbreite: 3 mm; Fundort: Roc de Courlande, Chastreix, Monts-Dore-Massiv, Puy-de-Dôme, Auvergne, Frankreich
Copyright: Jean-Marc Johannet; Contribution: Hg
Location: Frankreich/Auvergne-Rhône-Alpes, Region/Puy-de-Dôme, Département/Issoire, Arrondissement/Chastreix/Roc de Courlande
Mineral: Enstatite
Image: 1248353016
Rating: 9.27 (votes: 11)
License: Usage for Mineralienatlas project only
Enstatit

Bildbreite: 3 mm; Fundort: Roc de Courlande, Chastreix, Monts-Dore-Massiv, Puy-de-Dôme, Auvergne, Frankreich
Copyright: Jean-Marc Johannet
Contribution: Hg 2009-07-23
Locality: Roc de Courlande / Chastreix / Issoire, Arrondissement / Puy-de-Dôme, Département / Auvergne-Rhône-Alpes, Region / Frankreich
Enstatit
Views (File:
1174918210
): 6357, Rating: 8.75
Enstatit
Bildbreite: 3 mm; Fundort Stbr. Caspar, Ettringer Bellerberg, Ettringen, Mayen, Eifel
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Enstatite
Image: 1174918210
Rating: 8.75 (votes: 4)
License: Usage for Mineralienatlas project only
Enstatit

Bildbreite: 3 mm; Fundort Stbr. Caspar, Ettringer Bellerberg, Ettringen, Mayen, Eifel
Copyright: Stephan Wolfsried
Contribution: Hg 2007-03-26
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 weiß, gelblich grün, braun, grünlichweiß, grau
Streak color grau
Lustre Perlmuttglanz, Glasglanz
Hardness (Mohs) 5 - 6
Cleavages deutlich, gut {210}
Fracture unregelmäßig, uneben
Solubility + HF
Crystal System orthorhombisch, Pbca

Additional information / Summary

Siehe auch nach Enstatit in unserem Mineralienportrait über Pyroxene

Chemism

Chemical formula

Mg2Si2O6

Chemical composition

Magnesium, Silicium, Sauerstoff

Unit weight: 200.77776 u; Number of atoms in the formula: 10

Info

Empirical formula:

Mg2Si2O6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

47.81

6

60.00

15.9994300

95.9965800
Magnesium

Mg

24.21

2

20.00

24.3050600

48.6101200
Silicon

Si

27.98

2

20.00

28.0855300

56.1710600

Analysis wt%

SiO2 : 57.73, Al2O3 : 0.95, Fe2O3 : 0.42, Cr2O3 : 0.46, FeO : 3.57, MgO : 36.13, H2O : 0.56 (Ref: Am.J.Sci.52)

Strunz 9th edition incl. updates

9.DA.05

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
A: Ketten- und Bandsilikate mit 2 periodischen Ketten SiO6; Pyroxen-Familie
05:Orthopyroxene

Lapis Classification

VIII/F.02-010

VIII: SILIKATE
F: Ketten- und Bandsilikate
2: Zweierketten [Si2O6] 4-; Pyroxen-Gruppe; Orthopyroxene

Classification by Hölzel

9.DE.100

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
E: Orthorhombic Pyroxenes and Pyroxenoides
1: Enstatite-Group

Hey's Chemical Index of Minerals

14.04.02

14: Silicates not Containing Aluminum
04: Silicates of Mg

Dana 8th edition

65.01.02.01

65: Inosilicate Minerals
01: Inosilicates Inosilicate Single-Width Unbranched Chains, W=1 with chains P=2
02: Orthopyroxenes

IMA status

Anerkannt von der CNMNC, Pyroxen Subkommittee (1988)

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Pyroxene group  ⇒ Orthopyroxene group

Optical Properties

Color

weiß, gelblich grün, braun, grünlichweiß, grau

Streak color

grau

Diaphaneity (Transparency)

durchscheinend bis opak

Lustre

Perlmuttglanz, Glasglanz

max. Birefringence

0.008
Birefringence chart\! Enstatite title=Birefringence chart Enstatite

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

1.650

RI value β

1.652

RI value γ / ε

1.658

Ri mean

1.653

2V angle

Biaxial (+) 60°!

Optical Data Luminescence

Color LW-UV (365nm)

  

bläulich weiß

LW-UV Intensity

schwach

Most Common Activator

TiO6

Other Activators

Mn2+, O*, nIllegal character "<" in page name.-Gruppe

Afterglow (Persistant Luminescence)

keine Daten

Thermoluminescence

vorhanden

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

61

Space Group

Pbca

Cell parameters a (Å)

18.230

Cell parameters b (Å)

8.840

Cell parameters c (Å)

5.188

Cell parameters a/b or c/a

2.062

Cell parameters c/b

0.587

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volume (ų)

836.063

X-Ray Powder Diffraction

4.411(20),
3.168(70),
3.150(50),
2.870(100),
2.630(20),
1.518(10),
1.484(20),
1.470(20)
XRD chart Enstatite

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)

5 - 6

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.1 - 3.3 (gemessen) 3.204 (berechnet)

3.19 ( ρ calc. Mineralienatlas )

Cleavages

deutlich, gut {210}

Fracture

unregelmäßig, uneben

Radioactivity

keine bekannt

Instability

+ HF

(Co-)Type locality

(Co-)Type locality

Tschechien/Olmütz (Olomoucký kraj)/Šumperk (Mährisch Schönberg), Bezirk/Eisenberg an der March (Ruda nad Moravou)/Berg Zdar

Preface

Associations

Olivin, Phlogopit, Klinopyroxen, Diopsid, Spinell und Pyrop.

Author (Name, Year)

Kenngott, 1855

References

Mineralogical Magazine 35 (1966), 838.

Mineralogical Magazine 52 (1988), 535.

American Mineralogist 77 (1992), 115.

European Journal of Mineralogy 5 (1993), 707.

Handbook of Mineralogy (Anthony u.a.), 2 (1995), 214.

American Mineralogist 80 (1995), 253.

American Mineralogist 81 (1996), 842.

Tarantino, S.C., Domeneghetti, M.C., Carpenter, M.A., Shaw, C.J.S., and Tazzoli, V. (2002a) Mixing properties of the enstatite-ferrosilite solid solution: I. A macroscopic perspective. European Journal of Mineralogy 14, 525-536.

Journal of Mineralogical and Petrological Sciences 96 (2001), 48.

Tarantino, S.C., Boffa Ballaran, T., Carpenter, M.A., Domeneghetti, M.C., and Tazzoli, V. (2002b) Mixing properties of the enstatite-ferrosilite solid solution: II A microscopic perspective. Eurpean Journal of Mineralogy 14, 537-547.

European Journal of Mineralogy 15 (2003), 365.

American Mineralogist 89 (2004), 239.

IMA group assignments

 
Pyroxene group
 
 
 

 
 
Orthopyroxene group
 
 
 

 
 
 
Donpeacorite
(Mn,Mg)MgSi2O6
orthorhombisch
Pbca

 
 
 
Enstatite
Mg2Si2O6
orthorhombisch
Pbca

 
 
 
Ferrosilite
(Fe2+,Mg)2Si2O6
orthorhombisch
Pbca

Refresh list

Actuality: 04. Oct 2024 - 13:52:20

Varieties

Bronzite

eine Eisen-haltige Verietät von Enstatit

Other languages

Polish

Bronzyt (od Karsten)

German

Enstatit

Spanish

Enstatita

English

Enstatite

French

Enstatite

Russian

Энстатит

Traditional Chinese

頑火輝石

Simplified Chinese

顽火辉石

Alternative Name

German

Amblystegit

Spanish

Amblystegita

Amblystegite

German

Bronzit (von Karsten)

Spanish

Bronzita (de Karsten)

English

Bronzite (of Karsten)

German

Chladnit

Spanish

Chladnita

Chladnite

German

Cladnit

German

Enstadit

Spanish

Enstadita

Enstadite

German

Ficinit

Spanish

Ficinita

Ficinite

German

O-enstatit

O-enstatite

German

Orthobronzit

Spanish

Orthobronzita

Orthobronzite

German

Orthoenstatit

Spanish

Orthoenstatita

Orthoenstatite

German

Paulit

Spanish

Paulita

Paulite

German

Peckhamit

Spanish

Peckhamita

Peckhamite

German

Protobastit

Spanish

Protobastita

Protobastite

German

Shepardit

Spanish

Shepardita

Shepardite (of Rose)

Italian

Victorita

Victorite

Traditional Chinese

頑輝石

Simplified Chinese

顽辉石

CNMNC symbol

Symbol

En

Rock part of

 
Rocks

 
 
igneous rocks and sediments

 
 
 
crystalline igneous rocks

 
 
 
 
exotic crystalline rocks

 
 
 
 
 
lamproite  

 
 
 
 
normal crystalline rocks

 
 
 
 
 
fine-grained crystalline rocks

 
 
 
 
 
 
dacitic-rock

 
 
 
 
 
 
 
dacite  

Refresh list | View legend

Hint

- Essential mineral - Important for the classification of the rock.
- Accessory or non-essential mineral - this minerals are common, sometimes major part of, but are not always present.

Actuality: 04. Oct 2024 - 13:52:21

Locations with GPS information

IDs

GUSID (Global unique identifier short form) xByw090JH0iXcAiPyZW3Zg
GUID (Global unique identifier) D3B01CC4-09DD-481F-9770-088FC995B766
Database ID 1035