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Amesite

Pictures (23 Images total)

Amesit
Views (File:
1292429657
): 4701
Amesit
Größe: 5,39 mm; Fundort: Saranovskii Mine, Permskaya Oblast', Ural, Russland
Copyright: Matteo Chinellato; Contribution: Philip Blümner
Collection: Domenico Preite
Location: Russland/Wolga, Föderationskreis/Perm, Region (Пе́рмский край)/Gornozavodskiy-Gebiet (Горнозаво́дский райо́н)/Saranovskii Mine (Rudnaya, Sarany; Saranovskoe)
Mineral: Amesite
Image: 1292429657
Rating: 10 (votes: 2)
License: Usage for Mineralienatlas project only
Amesit

Größe: 5,39 mm; Fundort: Saranovskii Mine, Permskaya Oblast', Ural, Russland
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Philip Blümner 2010-12-15
Locality: Saranovskii Mine (Rudnaya, Sarany; Saranovskoe) / Gornozavodskiy-Gebiet (Горнозаво́дский райо́н) / Perm, Region (Пе́рмский край) / Wolga, Föderationskreis / Russland
Amesit
Views (File:
1268605061
): 4290, Rating: 8.5
Amesit
Bildbreite: 3,5 mm; Fundort: Prudeux, Saint-Babel, Issoire, Puy-de-Dôme, Département, Auvergne, Region, Frankreich
Copyright: Jean-Marc Johannet; Contribution: Hg
Location: Frankreich/Auvergne-Rhône-Alpes, Region/Puy-de-Dôme, Département/Issoire, Arrondissement/Saint-Babel/Prudeux
Mineral: Amesite
Image: 1268605061
Rating: 8.5 (votes: 4)
License: Usage for Mineralienatlas project only
Amesit

Bildbreite: 3,5 mm; Fundort: Prudeux, Saint-Babel, Issoire, Puy-de-Dôme, Département, Auvergne, Region, Frankreich
Copyright: Jean-Marc Johannet
Contribution: Hg 2010-03-14
Locality: Prudeux / Saint-Babel / Issoire, Arrondissement / Puy-de-Dôme, Département / Auvergne-Rhône-Alpes, Region / Frankreich
Amesit mit Perowskit
Views (File:
1292429738
): 3705
Amesit mit Perowskit
Größe: 14,5 x 11,0 x 3,5 cm; Fundort: Saranovskii Mine, Permskaya Oblast', Ural, Russland
Copyright: Fabre Minerals; Contribution: Philip Blümner
Location: Russland/Wolga, Föderationskreis/Perm, Region (Пе́рмский край)/Gornozavodskiy-Gebiet (Горнозаво́дский райо́н)/Saranovskii Mine (Rudnaya, Sarany; Saranovskoe)
Mineral: Amesite
Image: 1292429738
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Amesit mit Perowskit

Größe: 14,5 x 11,0 x 3,5 cm; Fundort: Saranovskii Mine, Permskaya Oblast', Ural, Russland
Copyright: Fabre Minerals
Contribution: Philip Blümner 2010-12-15
Locality: Saranovskii Mine (Rudnaya, Sarany; Saranovskoe) / Gornozavodskiy-Gebiet (Горнозаво́дский райо́н) / Perm, Region (Пе́рмский край) / Wolga, Föderationskreis / Russland
Cr-Amesit
Views (File:
1292429882
): 3898
Cr-Amesit
Kristallgröße: 1,8 mm; Fundort: Saranovskii Mine, Permskaya Oblast', Ural, Russland
Copyright: Enrico Bonacina; Contribution: Philip Blümner
Collection: Domenico Preite
Location: Russland/Wolga, Föderationskreis/Perm, Region (Пе́рмский край)/Gornozavodskiy-Gebiet (Горнозаво́дский райо́н)/Saranovskii Mine (Rudnaya, Sarany; Saranovskoe)
Mineral: Amesite
Image: 1292429882
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Cr-Amesit

Kristallgröße: 1,8 mm; Fundort: Saranovskii Mine, Permskaya Oblast', Ural, Russland
Collection: Domenico Preite
Copyright: Enrico Bonacina
Contribution: Philip Blümner 2010-12-15
Locality: Saranovskii Mine (Rudnaya, Sarany; Saranovskoe) / Gornozavodskiy-Gebiet (Горнозаво́дский райо́н) / Perm, Region (Пе́рмский край) / Wolga, Föderationskreis / Russland
Amesit
Views (File:
1454182836
): 2765
Amesit
Saranovskii Mine, Permskaya Oblast, Ural, Russland, Bildbreite ca. 20 mm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: Russland/Wolga, Föderationskreis/Perm, Region (Пе́рмский край)/Gornozavodskiy-Gebiet (Горнозаво́дский райо́н)/Saranovskii Mine (Rudnaya, Sarany; Saranovskoe)
Mineral: Amesite
Image: 1454182836
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Amesit  D

Saranovskii Mine, Permskaya Oblast, Ural, Russland, Bildbreite ca. 20 mm
Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2016-01-30
Locality: Saranovskii Mine (Rudnaya, Sarany; Saranovskoe) / Gornozavodskiy-Gebiet (Горнозаво́дский райо́н) / Perm, Region (Пе́рмский край) / Wolga, Föderationskreis / Russland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color weiß, blassgrün
Streak color weiß
Hardness (Mohs) 2.50 - 3.00
Solubility +++ HF, konz. H2SO4
Crystal System triklin, C1

Chemism

Chemical formula

Mg2Al(SiAl)O5(OH)4

Chemical composition

Aluminium, Magnesium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 278.6853844 u; Number of atoms in the formula: 18

Info

Empirical formula:

Mg2Al(SiAl)O5(OH)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.45

4

22.22

1.0079470

4.0317880
Oxygen

O

51.67

9

50.00

15.9994300

143.9948700
Magnesium

Mg

17.44

2

11.11

24.3050600

48.6101200
Aluminium

Al

19.36

2

11.11

26.9815382

53.9630764
Silicon

Si

10.08

1

5.56

28.0855300

28.0855300

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.27-100

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

Classification by Hölzel

9.EM.250

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

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Kaolinite-Serpentine Group  ⇒ Serpentine subgroup

Optical Properties

Color

weiß, blassgrün

Streak color

weiß

max. Birefringence

0.018
Birefringence chart\! Amesite title=Birefringence chart Amesite

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

1.597

RI value β

1.600

RI value γ / ε

1.615

Ri mean

1.604

2V angle

Biaxial (+) 45°

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

1

Space Group

C1

Cell parameters a (Å)

5.307

Cell parameters b (Å)

9.195

Cell parameters c (Å)

14.068

Cell parameters a/b or c/a

0.577

Cell parameters c/b

1.53

Cell parameters α

90.09°

Cell parameters β

90.25°

Cell parameters γ

89.96°

Z

4

Volume (ų)

686.481

X-Ray Powder Diffraction

7.0(100),
3.51(100),
2.600(40),
2.476(80),
1.925(70),
1.598(30),
1.528(60),
1.462(30)
XRD chart Amesite

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

Polytypes

Amesite-2A

Mg2.05Cr0.15Al1.75Si1.05O5[OH]2

triklin

Amesite-2H1

(Mg2Al)(SiAl)O5(OH)4

triklin

P1

1

Amesite-2H2

Amesite-6R

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.50 - 3.00

VHN (Hardness Vickers)

68 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.78 (gemessen) 2.7 (berechnet)

2.696 ( ρ calc. Mineralienatlas )

Instability

+++ HF, konz. H2SO4

(Co-)Type locality

(Co-)Type locality

USA/Massachusetts/Hampden Co./Chester/Chester Emery Mines

Preface

Author (Name, Year)

Bailey, 1988

References

Reviews in Mineralogy 19 (1988), 169

American Mineralogist, volume 066, pp. 185-195(1981)

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: 27. Nov 2024 - 02:19:38

Other languages

German

Amesit

Spanish

Amesita

French

Amesite

English

Amesite

Russian

Амезит

Japanese

アメス石

Simplified Chinese

镁铝蛇纹石

Alternative Name

Amenite

German

Amensit

Spanish

Amensita

Amensite

Amesine

German

Septeamesit

Spanish

Septeamesita

Septeamesite

Simplified Chinese

镁绿泥石

CNMNC symbol

Symbol

Ame

Locations with GPS information

IDs

GUSID (Global unique identifier short form) z7UwIZouq0y0GmGFmhgLNA
GUID (Global unique identifier) 2130B5CF-2E9A-4CAB-B41A-61859A180B34
Database ID 105