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Anorthite (Anorthit)

Pictures (40 Images total)

Anorthit xx
Views (File:
1679321339
): 174
Anorthit xx
nadelige Kristalle vom Bocksberg, Friedrichsbrunn, Thale, Gemeinde, Harz, Sachsen-Anhalt, DE, Bildbreite ca.1,5mm
Copyright: harzer; Contribution: harzer
Collection: harzer
Location: Deutschland/Sachsen-Anhalt/Harz, Landkreis/Thale, Gemeinde/Friedrichsbrunn/Bocksberg
Mineral: Anorthite
Image: 1679321339
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Anorthit xx

nadelige Kristalle vom Bocksberg, Friedrichsbrunn, Thale, Gemeinde, Harz, Sachsen-Anhalt, DE, Bildbreite ca.1,5mm
Collection: harzer
Copyright: harzer
Contribution: harzer 2023-03-20
Locality: Bocksberg / Friedrichsbrunn / Thale, Gemeinde / Harz, Landkreis / Sachsen-Anhalt / Deutschland
Anorthit mit natürlichen Messing Einschlüssen
Views (File:
1288215893
): 10786, Rating: 8.67
Anorthit mit natürlichen Messing Einschlüssen
geschliffener Anorthit mit natürlichen Messing Einschlüssen Miyake Tokio, Japan; geschliffen von Yuko; gefunden von Alfredo Petrov; 0.52 ct
Copyright: Stefan; Contribution: Stefan
Collection: alfredo
Location: Japan/Honshū (Honschu), Insel/Kanto, Region/Tokio, Präfektur/Miyake, Unterpräfektur/Miyake, Insel (Miyake-jima)
Mineral: Anorthite
Encyclopedia: Einschlüsse
Image: 1288215893
Rating: 8.67 (votes: 6)
License: Usage for Mineralienatlas project only
Anorthit mit natürlichen Messing Einschlüssen

geschliffener Anorthit mit natürlichen Messing Einschlüssen Miyake Tokio, Japan; geschliffen von Yuko; gefunden von Alfredo Petrov; 0.52 ct
Collection: alfredo
Copyright: Stefan
Contribution: Stefan 2010-10-27
Locality: Miyake, Insel (Miyake-jima) / Miyake, Unterpräfektur / Tokio, Präfektur / Kanto, Region / Honshū (Honschu), Insel / Japan
Anorthit
Views (File:
1166882282
): 13365, Rating: 9.25
Anorthit
Bildbreite: 4 mm; Fundort Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Rheinland-Pfalz
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Anorthite
Image: 1166882282
Rating: 9.25 (votes: 4)
License: Usage for Mineralienatlas project only
Anorthit

Bildbreite: 4 mm; Fundort Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Rheinland-Pfalz
Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-23
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Vordereifel, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Anorthit
Views (File:
1266789747
): 9478
Anorthit
Bildbreite: 4,4 mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Rheinland-Pfalz
Copyright: Fred Kruijen; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Anorthite
Image: 1266789747
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Anorthit

Bildbreite: 4,4 mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Rheinland-Pfalz
Copyright: Fred Kruijen
Contribution: Hg 2010-02-21
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Vordereifel, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Anorthit
Views (File:
1276882172
): 7060
Anorthit
Kristallgröße: 3 mm, Fundort: Biachella-Tal, Sacrofano, Latium, Italien
Copyright: Enrico Bonacina; Contribution: thdun5
Collection: Domenico Preite
Location: Italien/Latium (Lazio), Region/Rom, Provinz/Sacrofano/Sacrofano-Caldera/Biachella-Tal
Mineral: Anorthite
Image: 1276882172
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Anorthit

Kristallgröße: 3 mm, Fundort: Biachella-Tal, Sacrofano, Latium, Italien
Collection: Domenico Preite
Copyright: Enrico Bonacina
Contribution: thdun5 2010-06-18
Locality: Biachella-Tal / Sacrofano-Caldera / Sacrofano / Rom, Provinz / Latium (Lazio), Region / Italien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color farblos,weiß, rötlich
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 6.0 - 6.5
Solubility +++ HF, HCl, Königswasser
Crystal System triklin, P1
Morphology Kurzprismatische Kristalle, auch taflig und flach.

Additional information / Summary

Siehe auch unser umfangreiches Feldspat Portrait

Chemism

Chemical formula

CaAl2Si2O8

Chemical composition

Aluminium, Calcium, Silicium, Sauerstoff

Unit weight: 278.2079764 u; Number of atoms in the formula: 13

Info

Empirical formula:

CaAl2Si2O8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

46.01

8

61.54

15.9994300

127.9954400
Aluminium

Al

19.40

2

15.38

26.9815382

53.9630764
Silicon

Si

20.19

2

15.38

28.0855300

56.1710600
Calcium

Ca

14.41

1

7.69

40.0784000

40.0784000

Analysis wt%

SiO2 : 43.88, Al2O3 : 36.18, CaO : 19.37

Strunz 9th edition incl. updates

9.FA.35

9: Silikate (Germanate)
F: Gerüstsilikate (Tektosilikate) ohne zeolithisches H2O
A: Gerüstsilikate (Tektosilicates) ohne weitere [Anionen]
35:Feldspat: Plagioklas

Lapis Classification

VIII/J.07-070

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
7: Ohne tetraederfremde Anionen; Feldspat-Gruppe

Classification by Hölzel

9.FD.120

9: SILICATES
F: Tektosilicates
D: Plagioclase-Group

Dana 8th edition

76.01.03.06

76: Tektosilicates Tectosilicate Al-Si Framework
01: Tektosilicates Tectosilicate Al-Si Framework with Al-Si frameworks
03: Plagioclase series

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959)

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Feldspar group  ⇒ Plagioclase

Optical Properties

Color

farblos,weiß, rötlich

Streak color

weiß

Lustre

Glasglanz

max. Birefringence

0.014
Birefringence chart\! Anorthite title=Birefringence chart Anorthite

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

1.575

RI value β

1.583

RI value γ / ε

1.589

Ri mean

1.582

2V angle

Biaxial (-) 78°

Optical Data Luminescence

Color LW-UV (365nm)

  

gelblich weiß

Color SW-UV (254nm)

  

weiß

SW-UV Other Colors

  

rot

Afterglow (Persistant Luminescence)

keine Daten

Thermoluminescence

vorhanden

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

8.177

Cell parameters b (Å)

12.877

Cell parameters c (Å)

14.169

Cell parameters a/b or c/a

0.635

Cell parameters c/b

1.100

Cell parameters α

93.17

Cell parameters β

115.85

Cell parameters γ

91.22

Z

8

Volume (ų)

1338.877

X-Ray Powder Diffraction

4.041(70),
3.777(70),
3.618(70),
3.255(80),
3.203(100),
3.170(80),
3.117(70),
2.950(70)
XRD chart Anorthite

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

Morphology

Kurzprismatische Kristalle, auch taflig und flach.

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

6.0 - 6.5

VHN (Hardness Vickers)

850 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.74 - 2.76

2.76 ( ρ calc. Mineralienatlas )

Instability

+++ HF, HCl, Königswasser

(Co-)Type locality

(Co-)Type locality

Italien/Kampanien (Campania), Region/Neapel, Provinz/Somma-Vesuv-Komplex/Monte Somma

Type material

Mineraliensammlung des Museums für Naturkunde Berlin

Collection number of type material

Proben 1999-0087 und 1999-0088

Paragenesis of type material

Pyroxen

Preface

Occurrences

Seltenes Mineral in mafischen Plutoniten und Vulkaniten. Auch in metamorphen Gesteinen. Korund-Lagerstätten und in Meteoriten.

Associations

Olivin, Pyroxen, Korund

Author (Name, Year)

Rose, 1823

Additional Information

Feldspatgruppe. Anorthoklas-Anorthit-Banalsit-Plagioklas-Serie. S.a. > Feldspat

References

Rock-forming Minerals (Deer, Howie & Zussmann), 2nd ed., 4A (2001)

IMA group assignments

 
Feldspar group
 
 
 

 
 
Plagioclase
 
 
 

 
 
 
Albite
NaAlSi3O8
triklin
C1

 
 
 
Andesine
(Na,Ca)(Si,Al)4O8
triklin
P1

 
 
 
Anorthite
CaAl2Si2O8
triklin
P1

 
 
 
Bytownite
(Ca,Na)(Si,Al)4O8
triklin
I1

 
 
 
Labradorite
(Ca,Na)(Si,Al)4O8
triklin
C1

 
 
 
Oligoclase
(Na,Ca)(Si,Al)4O8
triklin
C1

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Actuality: 30. Sep 2024 - 20:32:53

Other languages

Dutch

Anorthiet

German

Anorthit

French

Anorthite

English

Anorthite

Finnish

Anortiitti

Bosnian (Latin Script)

Anortit

Swedish

Anortit

Spanish

Anortita

Lithuanian

Anortitas

Italian

Anortite

Norwegian (Bokmål)

Anortitt

Polish

Anortyt

Serbian (Cyrillic Script)

Анортит

Ukrainian

Анортит

Russian

Анортит

Hebrew

אנורתיט

Japanese

灰長石

Simplified Chinese

钙长石

Alternative Name

German

Amphodelit

Spanish

Amphodelita

Amphodelite

Spanish

Anorthita

Anorthote

German

Anorthoît

Spanish

Anorthoîta

Italian

Anorthoîta

Anorthoîte

German

Barsovit

Spanish

Barsovita

Barsovite

Basic Plagioclase

German

Beffanit

Spanish

Beffanita

Beffanite

German

Beffonit

Spanish

Beffonita

Beffonite

Biotine

Calciclase

Calcium Feldspar

Christianite

German

Cyclopit

Spanish

Cyclopita

Cyclopite

Indianite

Latrobite

German

Lepolit

Spanish

Lepolita

Lepolite

Lime-Feldspar

Thiorsauite

Simplified Chinese

基性斜长石

CNMNC symbol

Symbol

An

Rock part of

 
Rocks

 
 
igneous rocks and sediments

 
 
 
crystalline igneous rocks

 
 
 
 
normal crystalline rocks

 
 
 
 
 
coarse-grained crystalline rocks

 
 
 
 
 
 
anorthositic-rock

 
 
 
 
 
 
 
anorthosite  

 
 
 
 
 
 
gabbroic-rock

 
 
 
 
 
 
 
gabbro (group)

 
 
 
 
 
 
 
 
gabbro (s.s.)

 
 
 
 
 
 
 
 
 
allivalite  

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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: 30. Sep 2024 - 20:32:53

Locations with GPS information

IDs

GUSID (Global unique identifier short form) GurpwwOs_kqGCwUGgfB6fA
GUID (Global unique identifier) C3E9EA1A-AC03-4AFE-860B-050681F07A7C
Database ID 139