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Augite (Augit)

Pictures (121 Images total)

Augit-X
Views (Image: 1108576336): 18423, Rating: 8.75
Augit-X

grüner Augit-X; Bildbreite: 3 mm; Fundort: Seekar (Seebachkar), Seebachtal, Obersulzbach, Hohe Tauern, Salzburg, Österreich;
Collection: Dominik Schläfli
Copyright: Dominik Schläfli
Contribution: Mineralienatlas 2005-02-16
Locality: Seebachkar / Seebachtal / Obersulzbachtal / Neukirchen am Großvenediger / Zell am See, Bezirk (Pinzgau) / Salzburg / Österreich
Epidot mit Augit
Views (Image: 1327344157): 21286, Rating: 9.17
Epidot mit Augit

Tormiq, Haramosh Mts., Norther Areas, Pakistan; 5,0 x 3,5 x 2,8 cm; Epidot Schwimmer vergesellschaftet mit Augit
Collection: Jürgen Merz
Copyright: Jürgen Merz
Contribution: jayjay 2012-01-23
Locality: Tormiq (Turmiq) / Nanga Parbat-Haramosh-Berge / Skardu, Distrikt / Gilgit-Baltistan (Nordgebiete; Northern Areas) / Pakistan
Augit xx
Views (Image: 1554372073): 3168
Augit xx

Augit, eingelagerte XX und Zwilling nach (22-1), bei diesem Zwillingsgesetz fallen die (100)-Flächen der beiden Kristallindividuen in eine Ebene, Sasbach; Bildbreite: 8,6 mm
Collection: christof schäfer
Copyright: geni
Contribution: geni 2019-04-04
Locality: Sasbach am Kaiserstuhl / Emmendingen, Landkreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Augit
Views (Image: 1603205206): 3278
Augit (SNr: 4625)

irisierend, Sasbach am Kaiserstuhl, Bildbreite 3,5 mm
Collection: Reinhold
Copyright: Reinhold
Contribution: Reinhold 2020-10-20
Locality: Sasbach am Kaiserstuhl / Emmendingen, Landkreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Augit mit Epidot
Views (Image: 1315997579): 15643, Rating: 8.27
Augit mit Epidot

Größe: 7,48 mm; Fundort: Söllnkar, Krimml, Krimmler Achental, Hohe Tauern, Salzburg, Österreich
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-14
Locality: Söllnkar / Krimmler Achental / Krimml / Zell am See, Bezirk (Pinzgau) / Salzburg / Österreich
Augit
Views (Image: 1274724212): 4467
Augit

Größe: 11,7 x 11,0 cm; Fundort: La Panchita Mine, La Panchita, Mun. de La Pe, Oaxaca, Mexiko
Copyright: Rock Currier
Contribution: slugslayer 2010-05-24
Locality: La Panchita Mine / La Panchita / La Pe, Municipio / Oaxaca / Mexiko

Collectors Summary

Color braun grün, grün, hellbraun, dunkelbraun, schwarz
Streak color grünlich grau
Lustre Glasglanz, matt
Hardness (Mohs) 5 - 6.5
Solubility + HF
Crystal System monoklin, C2/c

Chemism

Chem­ical formula

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6

Chem­ical com­po­si­tion

Aluminium, Calcium, Eisen, Magnesium, Natrium, Silicium, Titan, Sauerstoff

Unit weight: 222.63473847 u; Number of atoms in the formula: 10

Info

Empirical formula:

(Ca0.75Na0.25)(Mg0.55Fe0.3Al0.1Ti0.05)(Si0.75Al0.25)2O6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

43.12

6

60.00

15.9994300

95.9965800
Sodium

Na

2.58

0.25

2.50

22.9897702

5.7474426
Magnesium

Mg

6.00

0.55

5.50

24.3050600

13.3677830
Aluminium

Al

7.27

0.6

6.00

26.9815382

16.1889229
Silicon

Si

18.92

1.5

15.00

28.0855300

42.1282950
Calcium

Ca

13.50

0.75

7.50

40.0784000

30.0588000
Titanium

Ti

1.08

0.05

0.50

47.8671000

2.3933550
Iron

Fe

7.53

0.3

3.00

55.8452000

16.7535600

Anal­y­sis wt%

SiO2 : 50.66, TiO2 : 1.30, Al2O3 : 2.45, Fe2O3 : 1.33, FeO : 11.24, MgO : 14.25, CaO : 18.01 (Ref: Mineralogical Magazine 57)

Strunz 9th edi­tion incl. updates

9.DA.15

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
A: Ketten- und Bandsilikate mit 2 periodischen Ketten SiO6; Pyroxen-Familie
15:Ca Klinopyroxene; Diopsid-Gruppe

Lapis Clas­sifica­tion

VIII/F.01-090

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

Clas­sifica­tion by Hölzel

9.DC.100

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
C: Augite-Group

Dana 8th edi­tion

65.01.03a.03

65: Inosilicate Minerals
01: Inosilicates Inosilicate Single-Width Unbranched Chains, W=1 with chains P=2
03a: C2/c clinopyroxenes (Ca clinopyroxenes)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

 Pyroxene group  ⇒ Clinopyroxene group

Optical Properties

Color

braun grün, grün, hellbraun, dunkelbraun, schwarz

Streak color

grünlich grau

Diaphane­ity (Trans­parency)

durchscheinend bis opak

Lus­tre

Glasglanz, matt

max. Birefrin­gence

0.029
Birefringence chart\! Augite title=Birefringence chart Augite

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

1.703

RI value β

1.707

RI value γ / ε

1.732

Ri mean

1.714

2V angle

Biaxial (+) 43°!

Optical Data Luminescence

Color SW-UV (254nm)

  

orangegelb

Most Common Acti­vator

Mn2+

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell param­e­ters a (Å)

9.681

Cell param­e­ters b (Å)

8.793

Cell param­e­ters c (Å)

5.303

Cell param­e­ters a/b or c/a

1.101

Cell param­e­ters c/b

0.603

Cell param­e­ters α

90°

Cell param­e­ters β

105.10

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

435.832

X-Ray Pow­der Diffrac­tion

3.204(50),
2.989(100),
2.917(100),
2.550(30),
2.485(30),
2.125(40),
2.025(30),
1.404(40)
XRD chart Augite

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 - 6.5

VHN (Hard­ness Vick­ers)

630 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.2 - 3.6 / Durchschnittlich = 3.4

3.393 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+ HF

(Co-)Type locality

(Co-)Type locality

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

Deutschland/Sachsen/Erzgebirgskreis/Annaberg, Revier/Annaberg-Buchholz/Pöhlberg

Frankreich/Auvergne-Rhône-Alpes, Region

Frankreich/Auvergne-Rhône-Alpes, Region/Ardèche, Département

Preface

Name from

dem griechischen auge - Glanz

Author (Name, Year)

Werner, 1792

Addi­tional Informa­tion

Werner beschrieb das Mineral 1792 und benannte es nach dem gr. Wort auge = Glanz.

References

American Mineralogist 88 (2003), 464

IMA group assignments

 
Pyroxene group
 
 
 

 
 
Clinopyroxene group
 
 
 

 
 
 
Aegirine
NaFe3+Si2O6
monoklin
C2/c

 
 
 
Aegirine-augite
(Ca,Na)(Fe3+,Mg,Fe2+)Si2O6
monoklin
C2/c

 
 
 
Augite
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6
monoklin
C2/c

 
 
 
Clinoenstatite
Mg2Si2O6
monoklin
P21/c

 
 
 
Clinoferrosilite
Fe2+2Si2O6
monoklin
P21/c

 
 
 
Colomeraite
NaTi3+Si2O6
monoklin
C2/c

 
 
 
Diopside
CaMgSi2O6
monoklin
C2/c

 
 
 
Esseneite
CaFe3+AlSiO6
monoklin
C2/c

 
 
 
Grossmanite
CaTi3+AlSiO6
monoklin
C2/c

 
 
 
Hedenbergite
CaFe2+Si2O6
monoklin
C2/c

 
 
 
Jadeite
Na(Al,Fe3+)Si2O6
monoklin
C2/c

 
 
 
Jervisite
(Na,Ca,Fe2+)(Sc,Mg,Fe2+)Si2O6
monoklin
C2/c

 
 
 
Johannsenite
CaMnSi2O6
monoklin
C2/c

 
 
 
Kanoite
MnMgSi2O6
monoklin
P21/c

 
 
 
Kosmochlor
NaCr3+Si2O6
monoklin
C2/c

 
 
 
Kushiroite
CaAl2SiO6
monoklin
C2/c

 
 
 
Namansilite
NaMn3+[Si2O6]
monoklin
C2/c

 
 
 
Natalyite
Na(V3+,Cr3+)Si2O6
monoklin
C2/c

 
 
 
Omphacite
(Ca,Na)(Mg,Fe2+,Fe3+,Al)Si2O6
monoklin
C2/c, P2/n

 
 
 
Petedunnite
Ca(Zn,Mn2+,Fe2+,Mg)Si2O6
monoklin
C2/c

 
 
 
Pigeonite
(Mg,Fe,Ca)2Si2O6
monoklin
P21/c

 
 
 
Ryabchikovite
CuMgSi2O6
monoklin
P21/c

 
 
 
Spodumene
LiAlSi2O6
monoklin
C2/c

 
 
 
Tissintite
(Ca,Na,☐)AlSi2O6
monoklin
C2/c

Refresh list

Actuality: 20. May 2022 - 07:51:41

Varieties

Fassaite

Fe- und Al-haltige Diopsid- oder Augit-Varietät

Jeffersonite

mangan- und zinkhaltige Augitvarietät

Other languages

Dutch

Augiet

Finnish

Augiitti

German

Augit

Spanish

Augita

Lithuanian

Augitas

French

Augite

English

Augite

Esperanto

Aŭgito

Russian

Авгит

Tajik (Cyrillic Script)

Авгит

Ukrainian

Авгіт

Serbian (Cyrillic Script)

Аугит

Hebrew

אוגיט

Japanese

普通輝石

Simplified Chinese

普通辉石

Alternative Name

German

Asteroit

Spanish

Asteroita

English

Asteroite

Basaltine

English

Fassite

English

Ferrohedenbergite

Hedenbergite-girin

Hedenbergite-Ågirin

German

Titanaugit

English

Titanaugite

Italian

Violatita

Violatite

Volcanic Shorl

Volcanite (of Delamétherie)

Japanese

普通輝石（総称）

CNMNC symbol

Symbol

Aug

Rock part of

 
Rocks

 
 
igneous rocks and sediments

 
 
 
crystalline igneous rocks

 
 
 
 
normal crystalline rocks

 
 
 
 
 
coarse-grained crystalline rocks

 
 
 
 
 
 
dioritic-rock

 
 
 
 
 
 
 
quartz-monzodiorite

 
 
 
 
 
 
 
 
cizlakite  

 
 
 
 
 
 
foid-syenitic-rock

 
 
 
 
 
 
 
foid-syenite

 
 
 
 
 
 
 
 
shonkinite  

 
 
 
 
 
 
gabbroic-rock

 
 
 
 
 
 
 
quartz-monzogabbro

 
 
 
 
 
 
 
 
cizlakite  

 
 
 
 
 
fine-grained crystalline rocks

 
 
 
 
 
 
andesitic-rock

 
 
 
 
 
 
 
andesite

 
 
 
 
 
 
 
 
andesite porphyry  

 
 
 
 
 
 
dacitic-rock

 
 
 
 
 
 
 
dacite  

 
 
 
 
 
 
trachytic-rock

 
 
 
 
 
 
 
basaltic trachyandesite

 
 
 
 
 
 
 
 
absarokite  

 
 
 
 
 
 
 
trachyandesite

 
 
 
 
 
 
 
 
banakite  

 
 
metamorphic rocks and metasediments

 
 
 
meta-igneous rock

 
 
 
 
meta-crystalline igneous rocks

 
 
 
 
 
meta-normal crystalline rocks

 
 
 
 
 
 
meta-coarse-grained crystalline rocks

 
 
 
 
 
 
 
meta-gabbroic-rock

 
 
 
 
 
 
 
 
metagabbro  

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: 20. May 2022 - 07:54:09

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

German pages

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

English pages

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

Russian pages

 Webmineral.ru - search for: Авгит

Mineral Dealer

German pages

 hausen - Mineralgroßhandel - search for: Augit
Crystal-Treasure.com - search for: Augit
Bosse - search for: Augit
Edelsteine Neuburg - Gundolf Fischer - search for: Augit

Locations with GPS information