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Anorthite (Anorthit)

Pictures (35 Images total)

Anorthit mit natürlichen Messing Einschlüssen
Views (Image: 1288215893): 10298, 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

Collection: alfredo
Copyright: Stefan
Contribution: Stefan 2010-10-27
Locality: Miyake, Insel (Miyake-jima) / Miyake, Unterpräfektur / Tokio, Präfektur / Kanto, Region / Honshu / Japan
Anorthit
Views (Image: 1166882282): 12185, Rating: 9.25
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 / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Anorthit
Views (Image: 1266789747): 9093
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 / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Anorthit
Views (Image: 1276882172): 6733
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
Anorthit
Views (Image: 1278143248): 4514
Anorthit

Bildbreite: 2 mm, Fundort: Pollena-Trocchia, Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien (Campania), Italien

Copyright: Luigi Mattei
Contribution: thdun5 2010-07-03
Locality: Pollena-Trocchia / Monte Somma / Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien
Anorthit
Views (Image: 1302121973): 5098
Anorthit

Größe: 1,28 mm; Fundort: Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien (Campania), Italien

Copyright: Matteo Chinellato
Contribution: Hg 2011-04-06
Locality: Monte Somma / Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien

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

Volumne (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


 
 
 
 
 

 
 
 
NaAlSi3O8
triklin
C1

 
 
 
(Na,Ca)(Si,Al)4O8
triklin
P1

 
 
 
CaAl2Si2O8
triklin
P1

 
 
 
(Ca,Na)(Si,Al)4O8
triklin
I1

 
 
 
(Ca,Na)(Si,Al)4O8
triklin
C1

 
 
 
(Na,Ca)(Si,Al)4O8
triklin
C1

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Actuality: 23. Jun 2022 - 06:52:23

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

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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: 23. Jun 2022 - 06:52:22

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

German pages

DeWikiPedia - search for: Anorthit
Google-Bilder-Suche - search for: Anorthit
Mineralienatlas.de (Forum) - search for: Anorthit

English pages

Mindat - search for: Anorthite
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Handbook-of-Mineralogy - search for: Anorthite
RRUFF - Raman, XRD and other mineral data - search for: Anorthite
RRUFF - References and PDF downloads - search for: Anorthite
American-Mineralogist-Crystal-Structure-Database - search for: Anorthite
Strahlen.org - search for: Anorthite

Russian pages

Webmineral.ru - search for: Анортит

Mineral Dealer

German pages

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