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Antigorite

Pictures (26 Images total)

Antigorit
Views (File:
1326021063
): 7665
Antigorit
Dognaczka, Banat, Rumänien, vor 1920 noch Ungarn. Die Stufe ist auf den Etiketten vom Anfang des 20. Jahrhunderts noch mit dem veralteten Begriff Schweizerit beschrieben, 83x40x42 mm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: Rumänien/Caras-Severin, Kreis/Banat/Dognecea (Dognaczka; Dognacska)
Mineral: Antigorite
Image: 1326021063
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Antigorit  D

Dognaczka, Banat, Rumänien, vor 1920 noch Ungarn. Die Stufe ist auf den Etiketten vom Anfang des 20. Jahrhunderts noch mit dem veralteten Begriff Schweizerit beschrieben, 83x40x42 mm
Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2012-01-08
Locality: Dognecea (Dognaczka; Dognacska) / Banat / Caras-Severin, Kreis / Rumänien
Antigorit
Views (File:
1570816281
): 2371
Antigorit
Antigorit, 6,8 x 4,4 x 2,7 cm. FO: Tilly Foster mine, Brewster, Putnam County, New York, USA
Copyright: Rob Lavinsky; Contribution: oliverOliver
Collection: ex Ken Hollman Collection
Location: USA/New York/Putnam Co./Brewster/Tilly Foster Mine
Mineral: Antigorite
Image: 1570816281
Rating: 8 (votes: 1)
License: Creative Commons - Attribution Share Alike (CC-BY-SA) V.3.0
Antigorit

Antigorit, 6,8 x 4,4 x 2,7 cm. FO: Tilly Foster mine, Brewster, Putnam County, New York, USA
Collection: ex Ken Hollman Collection
Copyright: Rob Lavinsky
Contribution: oliverOliver 2019-10-11
Locality: Tilly Foster Mine / Brewster / Putnam Co. / New York / USA
Serpentin
Views (File:
1250331115
): 25536
Serpentin
Edelserpentin; FO: Hoher Bogen, Bay. Wald, BRD; Größe: 7,5 x 4,5 cm
Copyright: Archiv: Berthold Stein (rtbstone); Contribution: rtbstone
Collection: rtbstone
Location: Deutschland/Bayern/Oberpfalz, Bezirk/Cham, Landkreis/Hoher Bogen
Mineral: Antigorite, Serpentine subgroup
Image: 1250331115
Rating: 6.5 (votes: 2)
License: Usage for Mineralienatlas project only
Serpentin

Edelserpentin; FO: Hoher Bogen, Bay. Wald, BRD; Größe: 7,5 x 4,5 cm
Collection: rtbstone
Copyright: Archiv: Berthold Stein (rtbstone)
Contribution: rtbstone 2009-08-15
Locality: Hoher Bogen / Cham, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland
Antigorit
Views (File:
1455568847
): 3043
Antigorit
Antigorit, grünlich, auf Serpentinit; Serpentinit-Asbest-Tagebau Kälbel, Dobsina, Slowakei; Stück: 6 x 4 cm
Copyright: chribiedav; Contribution: chribiedav
Collection: chribiedav
Location: Slowakei/Košický kraj/Roznava, Okres/Dobschau (Dobsina), Revier/Kälbel (Teliatko)
Mineral: Antigorite
Image: 1455568847
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Antigorit

Antigorit, grünlich, auf Serpentinit; Serpentinit-Asbest-Tagebau Kälbel, Dobsina, Slowakei; Stück: 6 x 4 cm
Collection: chribiedav
Copyright: chribiedav
Contribution: chribiedav 2016-02-15
Locality: Kälbel (Teliatko) / Dobschau (Dobsina), Revier / Roznava, Okres / Košický kraj / Slowakei
Antigorit
Views (File:
1547492436
): 1773
Antigorit
Steinbruch Dürrer Schlag. BB. 14cm. Antigorit als Harnisch.
Copyright: waldi; Contribution: waldi
Collection: waldi
Location: Deutschland/Bayern/Oberpfalz, Bezirk/Tirschenreuth, Landkreis/Krummennaab/Thumsenreuth/Dürrer Schlag
Mineral: Antigorite
Image: 1547492436
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Antigorit

Steinbruch Dürrer Schlag. BB. 14cm. Antigorit als Harnisch.
Collection: waldi
Copyright: waldi
Contribution: waldi 2019-01-14
Locality: Dürrer Schlag / Thumsenreuth / Krummennaab / Tirschenreuth, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color weiß, braun, dunkelgrün
Streak color weiß, grünlichweiß
Hardness (Mohs) 2.50 - 3.00
Solubility von Säuren unter Abscheidung von Kieselsäure zersetzbar (+ HCl, +/- andere Säuren).
Crystal System monoklin, Cm

Chemism

Chemical formula

(Mg,Fe2+)3Si2O5(OH)4

Chemical composition

Eisen, Magnesium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 300.768003 u; Number of atoms in the formula: 18

Info

Empirical formula:

(Mg0.75Fe0.25)3Si2O5(OH)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.34

4

22.22

1.0079470

4.0317880
Oxygen

O

47.88

9

50.00

15.9994300

143.9948700
Magnesium

Mg

18.18

2.25

12.50

24.3050600

54.6863850
Silicon

Si

18.68

2

11.11

28.0855300

56.1710600
Iron

Fe

13.93

0.75

4.17

55.8452000

41.8839000

Analysis wt%

SiO2 : 43.60, Al2O3 : 1.03, Fe2O3 : 0.90, FeO : 0.81, MgO : 41.00, H2O : 12.26

Strunz 9th edition incl. updates

9.ED.15

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
D: Schichtsilikate (Phyllosilikate) mit [Kaolinit]-Schichten, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
15:Serpentin-Gruppe

Lapis Classification

VIII/H.27-010

VIII: SILIKATE
H: Schichtsilikate
27: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Serpentin-Gruppe

Classification by Hölzel

9.EM.280

9: SILICATES
E: Phyllosilicates
M: Serpentine-Group
2: Amesite-Group

Dana 8th edition

71.01.02a.01

71: Phyllosilicate Minerals
01: Phyllosilicates Phyllosilicate Sheets of Six-Membered Rings with 1:1 layers
02a: Serpentine group

IMA status

Mit Anerkennung der CNMNC umbenannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Kaolinite-Serpentine Group  ⇒ Serpentine subgroup

Optical Properties

Color

weiß, braun, dunkelgrün

Streak color

weiß, grünlichweiß

max. Birefringence

0.005
Birefringence chart\! Antigorite title=Birefringence chart Antigorite

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

1.562

RI value β

1.566

RI value γ / ε

1.567

Ri mean

1.565

2V angle

Biaxial (-) 61°

Optical Data Luminescence

Color SW-UV (254nm)

  

blau

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin

Class (H-M)

m

Space Group number

8

Space Group

Cm

Cell parameters a (Å)

5.424

Cell parameters b (Å)

9.238

Cell parameters c (Å)

7.274

Cell parameters a/b or c/a

0.587

Cell parameters c/b

0.787

Cell parameters α

90°

Cell parameters β

91.32

Cell parameters γ

90°

Z

2

Volume (ų)

364.381

X-Ray Powder Diffraction

7.29(100),
7.21(10),
3.623(60),
3.589(10),
2.523(30),
2.169(10),
2.150(10),
1.558(10)
XRD chart Antigorite

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)

2.50 - 3.00

VHN (Hardness Vickers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.61 (gemessen)

2.741 ( ρ calc. Mineralienatlas )

Instability

von Säuren unter Abscheidung von Kieselsäure zersetzbar (+ HCl, +/- andere Säuren).

Chemical Properties and Tests

Cecilia Viti: Serpentine minerals discrimination by thermal analysis. American Mineralogist 95 (2010) S.631-638.

(Co-)Type locality

(Co-)Type locality

Schweiz/Wallis, Kanton/Goms, Bezirk/Binntal/Binn/Geisspfad-Gebiet

Italien/Piemont (Piemonte), Region/Verbano-Cusio-Ossola, Provinz/Antigorio Valle (Tal)

Preface

Author (Name, Year)

Schweizer, 1840

Additional Information

Untersuchung der Oberflächenstruktur siehe
Elisa Palacios-Lidon, Olivier Grauby, Claude Henry, Jean-Pierre Astier, Clemens Barth and Alain Baronnet: TEM-assisted dynamic scanning force microscope imaging of (001) antigorite: Surfaces and steps on a modulated silicate. American Mineralogist; 95 (2010) S. 673-685.

Distinction

Xi Liu, Yunlu Ma, Wei Yan, Mingyue He, Lamei Li, Xinhao Sui, Bijie Peng: Identify key serpentines antigorite, lizardite and chrysotile with various compositions and crystallographic orientations using micro-Raman spectroscopy. Solid Earth Sciences Vol. 8, Issue 4 (2023) S. 295-304.

References

Reviews in Mineralogy 19 (1988), 91

IMA group assignments

 
Kaolinite-Serpentine Group
 
 
 

 
 
Serpentine subgroup
 
monoklin
 

 
 
 
Amesite
Mg2Al(SiAl)O5(OH)4
triklin
C1

 
 
 
Antigorite
(Mg,Fe2+)3Si2O5(OH)4
monoklin
Cm

 
 
 
Berthierine
(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4
monoklin
C2/m

 
 
 
Brindleyite
(Ni,Mg,Fe2+)2Al(SiAl)O5(OH)4
monoklin
 

 
 
 
Caryopilite
Mn2+3Si2O5(OH)4
monoklin
Cm

 
 
 
Chrysotile
Mg3Si2O5(OH)4
 
 

 
 
 
Cronstedtite
Fe22+Fe3+(SiFe3+)O5(OH)4
trigonal
P31m

 
 
 
Fraipontite
(Zn,Al)3(Si,Al)2O5(OH)4
monoklin
 

 
 
 
Guidottiite
Mn2Fe3+(SiFe3+)O5(OH)4
hexagonal
P63

 
 
 
Kellyite
(Mn2+,Mg,Al)3(Si,Al)2O5(OH)4
hexagonal
P63

 
 
 
Lizardite
Mg3Si2O5(OH)4
monoklin
Cm

 
 
 
Népouite
(Ni,Mg)3Si2O5(OH)4
orthorhombisch
Ccm21

 
 
 
Pecoraite
Ni3Si2O5(OH)4
monoklin
 

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Actuality: 09. Sep 2024 - 14:22:20

Varieties

Bowenite

Other languages

German

Antigorit

Spanish

Antigorita

French

Antigorite

English

Antigorite

Russian

Антигорит

Simplified Chinese

叶蛇纹石

Simplified Chinese

铁叶蛇纹石

Alternative Name

English

Balimorite

German

Baltimorit

Spanish

Baltimorita

Baltimorite

Bastard Asbestos

German

Blätterserpentin

German

Eisengymnit

Ferroantigorite

German

Genthit

English

Genthite

German

Gymnit

Spanish

Gymnita

English

Gymnite

English

Iron-Gymnite

English

Jenkinsite

English

Nickel-Gymnite

German

Nickelgymnit

English

Picrolite

Pikrolith

German

Porcellophit

Spanish

Porcellophita

English

Porcellophite

German

Septeantigorit

Spanish

Septeantigorita

Septeantigorite

English

Thermophyllite

English

Yu yen shi stone

English

Yu yen stone

German

Zermattit

Spanish

Zermattita

English

Zermattite

CNMNC symbol

Symbol

Atg

Rock part of

 
Rocks

 
 
metamorphic rocks and metasediments

 
 
 
meta-igneous rock

 
 
 
 
meta-crystalline igneous rocks

 
 
 
 
 
meta-normal crystalline rocks

 
 
 
 
 
 
meta-coarse-grained crystalline rocks

 
 
 
 
 
 
 
meta-ultramafic-rock

 
 
 
 
 
 
 
 
serpentinite  

 
 
 
 
 
 
 
 
Serpentinschiefer  

 
 
 
rock names based on modal composition of metamorphic rocks

 
 
 
 
monomineralic metamorphic rocks

 
 
 
 
 
serpentinite  

 
 
 
 
 
 
Serpentinschiefer  

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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: 09. Sep 2024 - 14:22:21

Locations with GPS information

IDs

GUSID (Global unique identifier short form) DzGhVcR0pUejBVqp_4QlhA
GUID (Global unique identifier) 55A1310F-74C4-47A5-A305-5AA9FF842584
Database ID 147