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Augite (Augit)

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Pictures (118 Images total)

Views (Image: 1108576336): 17634, Rating: 8.75

Augit-X

grüner Augit-X; Bildbreite: 3 mm; Fundort: Seekar (Seebachkar), Seebachtal, Obersulzbach, Hohe Tauern, Salzburg, Österreich;

Collection:

Dominik Schläfli

Contribution: Mineralienatlas 2005-02-16

Locality: Seebachkar / Seebachtal / Obersulzbachtal / Neukirchen am Großvenediger / Zell am See, Bezirk (Pinzgau) / Salzburg / Österreich

Views (Image: 1327344157): 20223, 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

Contribution: jayjay 2012-01-23

Locality: Tormiq (Turmiq) / Nanga Parbat-Haramosh-Berge / Skardu, Distrikt / Gilgit-Baltistan (Nordgebiete; Northern Areas) / Pakistan

Views (Image: 1554372073): 2349

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

geni

Contribution: geni 2019-04-04

Locality: Sasbach am Kaiserstuhl / Emmendingen, Landkreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

Views (Image: 1603205206): 2315

Augit (SNr: 4625)

irisierend, Sasbach am Kaiserstuhl, Bildbreite 3,5 mm

Collection:

Reinhold

Contribution: Reinhold 2020-10-20

Locality: Sasbach am Kaiserstuhl / Emmendingen, Landkreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

Views (Image: 1315997579): 14928, Rating: 8.27

Augit mit Epidot

Größe: 7,48 mm; Fundort: Söllnkar, Krimml, Krimmler Achental, Hohe Tauern, Salzburg, Österreich

Collection:

Domenico Preite

Matteo Chinellato

Contribution: Hg 2011-09-14

Locality: Söllnkar / Krimmler Achental / Krimml / Zell am See, Bezirk (Pinzgau) / Salzburg / Österreich

Views (Image: 1274724212): 4411

Augit

Größe: 11,7 x 11,0 cm; Fundort: La Panchita Mine, La Panchita, Mun. de La Pe, Oaxaca, Mexiko

Rock Currier

Contribution: slugslayer 2010-05-24

Locality: La Panchita Mine / La Panchita / La Pe, Municipio / Oaxaca / Mexiko

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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:

(Ca_0.75Na_0.25)(Mg_0.55Fe_0.3Al_0.1Ti_0.05)(Si_0.75Al_0.25)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

Search for minerals with similar chemistry

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

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 (Å³)	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)
	Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

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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

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

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

Spodumene

LiAlSi₂O₆

monoklin

C2/c

Tissintite

(Ca,Na,☐)AlSi₂O₆

monoklin

C2/c

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Actuality: 28. Nov 2021 - 01:56:24

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Augite	(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)₂O₆ monoklin : 2/m : C2/c	9.DA.15
Davisite	CaScAlSiO₆ monoklin : 2/m : C2/c	9.DA.15
Diopside	CaMgSi₂O₆ monoklin : 2/m : C2/c	9.DA.15
'Fassaite' (Var.v. Diopside, Augite)	CaMgSi₂O₆ monoklin	9.DA.15
Esseneite	CaFe³⁺AlSiO₆ monoklin : 2/m : C2/c	9.DA.15
Burnettite	CaVAlSiO₆ monoklin : 2/m : C2/c	9.DA.15
Kushiroite	CaAl₂SiO₆ monoklin : 2/m : C2/c	9.DA.15
Tissintite	(Ca,Na,☐)AlSi₂O₆ monoklin : 2/m : C2/c	9.DA.15
Grossmanite	CaTi³⁺AlSiO₆ monoklin : 2/m : C2/c	9.DA.15
Petedunnite	Ca(Zn,Mn²⁺,Fe²⁺,Mg)Si₂O₆ monoklin : 2/m : C2/c	9.DA.15
Hedenbergite	CaFe²⁺Si₂O₆ monoklin : 2/m : C2/c	9.DA.15
Johannsenite	CaMnSi₂O₆ monoklin : 2/m : C2/c	9.DA.15

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Clinoenstatite	Mg₂Si₂O₆ monoklin : 2/m : P2₁/c	VIII/F.01-010
Clinoferrosilite	Fe²⁺₂Si₂O₆ monoklin : 2/m : P2₁/c	VIII/F.01-020
Kanoite	MnMgSi₂O₆ monoklin : 2/m : P2₁/c	VIII/F.01-030
Pigeonite	(Mg,Fe,Ca)₂Si₂O₆ monoklin : 2/m : P2₁/c	VIII/F.01-040
Diopside	CaMgSi₂O₆ monoklin : 2/m : C2/c	VIII/F.01-050
Hedenbergite	CaFe²⁺Si₂O₆ monoklin : 2/m : C2/c	VIII/F.01-060
Johannsenite	CaMnSi₂O₆ monoklin : 2/m : C2/c	VIII/F.01-070
Petedunnite	Ca(Zn,Mn²⁺,Fe²⁺,Mg)Si₂O₆ monoklin : 2/m : C2/c	VIII/F.01-080
Augite	(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)₂O₆ monoklin : 2/m : C2/c	VIII/F.01-090
Omphacite	(Ca,Na)(Mg,Fe²⁺,Fe³⁺,Al)Si₂O₆ monoklin : 2/m, 2/m : C2/c, P2/n	VIII/F.01-100
Kushiroite	CaAl₂SiO₆ monoklin : 2/m : C2/c	VIII/F.01-105
Esseneite	CaFe³⁺AlSiO₆ monoklin : 2/m : C2/c	VIII/F.01-110
Grossmanite	CaTi³⁺AlSiO₆ monoklin : 2/m : C2/c	VIII/F.01-112
Davisite	CaScAlSiO₆ monoklin : 2/m : C2/c	VIII/F.01-115
Spodumene	LiAlSi₂O₆ monoklin : 2/m : C2/c	VIII/F.01-120
Jadeite	Na(Al,Fe³⁺)Si₂O₆ monoklin : 2/m : C2/c	VIII/F.01-130
Aegirine	NaFe³⁺Si₂O₆ monoklin : 2/m : C2/c	VIII/F.01-140
Namansilite	NaMn³⁺[Si₂O₆] monoklin : 2/m : C2/c	VIII/F.01-145
Jervisite	(Na,Ca,Fe²⁺)(Sc,Mg,Fe²⁺)Si₂O₆ monoklin : 2/m : C2/c	VIII/F.01-150
Natalyite	Na(V³⁺,Cr³⁺)Si₂O₆ monoklin : 2/m : C2/c	VIII/F.01-160
Kosmochlor	NaCr³⁺Si₂O₆ monoklin : 2/m : C2/c	VIII/F.01-170

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Augite	(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)₂O₆ monoklin : 2/m : C2/c	9.DC.100
Omphacite	(Ca,Na)(Mg,Fe²⁺,Fe³⁺,Al)Si₂O₆ monoklin : 2/m, 2/m : C2/c, P2/n	9.DC.120

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Clinoenstatite	Mg₂Si₂O₆ monoklin : 2/m : P2₁/c	65.01.01.01
Clinoferrosilite	Fe²⁺₂Si₂O₆ monoklin : 2/m : P2₁/c	65.01.01.02
Kanoite	MnMgSi₂O₆ monoklin : 2/m : P2₁/c	65.01.01.03
Pigeonite	(Mg,Fe,Ca)₂Si₂O₆ monoklin : 2/m : P2₁/c	65.01.01.04
Enstatite	Mg₂Si₂O₆ orthorhombisch : mmm : Pbca	65.01.02.01
Ferrosilite	(Fe²⁺,Mg)₂Si₂O₆ orthorhombisch : mmm : Pbca	65.01.02.02
Donpeacorite	(Mn,Mg)MgSi₂O₆ orthorhombisch : mmm : Pbca	65.01.02.03
Diopside	CaMgSi₂O₆ monoklin : 2/m : C2/c	65.01.03a.01
Augite	(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)₂O₆ monoklin : 2/m : C2/c	65.01.03a.03
Johannsenite	CaMnSi₂O₆ monoklin : 2/m : C2/c	65.01.03a.04
Petedunnite	Ca(Zn,Mn²⁺,Fe²⁺,Mg)Si₂O₆ monoklin : 2/m : C2/c	65.01.03a.05
Esseneite	CaFe³⁺AlSiO₆ monoklin : 2/m : C2/c	65.01.03a.06
Omphacite	(Ca,Na)(Mg,Fe²⁺,Fe³⁺,Al)Si₂O₆ monoklin : 2/m, 2/m : C2/c, P2/n	65.01.03b.01
Aegirine-augite	(Ca,Na)(Fe³⁺,Mg,Fe²⁺)Si₂O₆ monoklin : 2/m : C2/c	65.01.03b.02
Jadeite	Na(Al,Fe³⁺)Si₂O₆ monoklin : 2/m : C2/c	65.01.03c.01
Aegirine	NaFe³⁺Si₂O₆ monoklin : 2/m : C2/c	65.01.03c.02
Namansilite	NaMn³⁺[Si₂O₆] monoklin : 2/m : C2/c	65.01.03c.03
Kosmochlor	NaCr³⁺Si₂O₆ monoklin : 2/m : C2/c	65.01.03c.04
Natalyite	Na(V³⁺,Cr³⁺)Si₂O₆ monoklin : 2/m : C2/c	65.01.03c.05
Jervisite	(Na,Ca,Fe²⁺)(Sc,Mg,Fe²⁺)Si₂O₆ monoklin : 2/m : C2/c	65.01.03c.06
Spodumene	LiAlSi₂O₆ monoklin : 2/m : C2/c	65.01.04.01
Carpholite	MnAl₂Si₂O₆(OH)₄ orthorhombisch : mmm : Ccca	65.01.05.01
Ferrocarpholite	(Fe²⁺,Mg)Al₂Si₂O₆(OH)₄ orthorhombisch : mmm : Ccca	65.01.05.02
Magnesiocarpholite	MgAl₂Si₂O₆(OH)₄ orthorhombisch : mmm : Ccca	65.01.05.03
Balipholite	BaMg₂LiAl₃Si₄O₁₂(OH,F)₈ orthorhombisch : mmm : Ccca	65.01.05.04
Potassiccarpholite	K(Mn²⁺,Li)₂Al₄Si₄O₁₂(OH,F)₈ orthorhombisch : mmm : Ccca	65.01.05.05
Vanadiocarpholite	Mn²⁺V³⁺Al(Si₂O₆)(OH)₄ orthorhombisch : mmm : Ccca	65.01.05.06
Lorenzenite	Na₂Ti₂Si₂O₉ orthorhombisch : mmm : Pbcn	65.01.06.01
Kukisvumite	Na₆ZnTi₄O₄(SiO₃)₈·4H₂O orthorhombisch : mmm : Pccn	65.01.06.02
Lintisite	Na₃LiTi₂O₂(SiO₃)₄·2H₂O monoklin : 2/m : C2/c	65.01.06.03
'Manganokukisvumite'	Na₆MnTi₄Si₈O₂₈·4(H₂O)	65.01.06.04
Shattuckite	Cu₅(SiO₃)₄(OH)₂ orthorhombisch : mmm : Pcab	65.01.07.01
Nchwaningite	Mn₂SiO₃(OH)₂·H₂O orthorhombisch : mm2 : Pca2₁	65.01.08.01

Varieties

Fassaite	Fe- und Al-haltige Diopsid- oder Augit-Varietät
Jeffersonite	mangan- und zinkhaltige Augitvarietät

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

cizlakite

shonkinite

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

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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: 28. Nov 2021 - 01:56:24

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

German pages	DeWikiPedia - search for: Augit Google-Bilder-Suche - search for: Augit Mineralogisch-Petrographisches-Institut Hamburg - 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 Athena - search for: Augite
Russian pages	Webmineral.ru - search for: Авгит

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Augit
Bosse - search for: Augit

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