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Nontronite

Pictures (36 Images total)

Nontronit mit Siderit
Views (Image: 1203433484): 4163
Nontronit mit Siderit

Bildbreite: 4 mm; Fundort: Hagendorf-Süd, Oberpfalz, Bayern, Deutschland

Copyright: Stephan Wolfsried
Contribution: Hg 2008-02-19
Locality: Hagendorf-Süd (Grube Cornelia) / Hagendorf / Waidhaus / Neustadt an der Waldnaab, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland
Nontronit
Views (Image: 1336043547): 4763
Nontronit

Deutschland, Bayern, Oberpfalz, Pechbrunn, Teichelberg; x-Aggregate - 0,55 mm;

Collection: hkern
Copyright: hkern
Contribution: hkern 2012-05-03
Locality: Teichelberg / Pechbrunn / Tirschenreuth, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland
Torbernit x Nontronit
Views (Image: 1360878140): 3326
Torbernit x Nontronit

Fundort: Roland Halde, Wölsendorf, Opf. , Bayern; Eigenfund: 2010; Bildbreite: 2,3 mm; Mineral: Torbernit x, Montronmillonit

Collection: Florian
Copyright: Florian
Contribution: Florian 2013-02-14
Locality: Grube Roland / Brensdorf / Wölsendorf, Revier / Schwandorf, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland
Nontronit
Views (Image: 1314297290): 3016
Nontronit (SNr: A002237)

feinnadelige kugelige Kristalle, BB = 1,5 mm. Fundort: Hagendorf-Süd, Oberpfalz, Bayern, Deutschland.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2011-08-25
Locality: Hagendorf-Süd (Grube Cornelia) / Hagendorf / Waidhaus / Neustadt an der Waldnaab, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland
Nontronit pseudomorph nach Natrolith
Views (Image: 1361560480): 3224
Nontronit pseudomorph nach Natrolith (SNr: A013713)

Säulige weiße Kristalle, BB = 4,7 mm, Fundort: Teichelberg, Pechbrunn, Oberpfalz, Bayern, Deutschland.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2013-02-22
Locality: Teichelberg / Pechbrunn / Tirschenreuth, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland
Nontronit
Views (Image: 1381866246): 602
Nontronit (SNr: 436)

Kugelige gelbe Kristalle, BB = 3 mm, Fundort: Grube Roland, Brensdorf, Wölsendorf, Oberpfalz, Bayern, Deutschland.

Collection: Manfred Früchtl
Copyright: Manfred Früchtl
Contribution: Manfred Früchtl 2013-10-15
Locality: Grube Roland / Brensdorf / Wölsendorf, Revier / Schwandorf, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland

Collectors Summary

Color grünlichgelb, bräunlich grün, olivgrün
Streak color weiß
Hardness (Mohs) 1.5
Solubility +++ HF, HCl
Crystal System monoklin,

Chemism

Chem­ical formula

Na0.3Fe23+(Si,Al)4O10(OH)2·4H2O

Chem­ical com­po­si­tion

Aluminium, Eisen, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 495.89580926 u; Number of atoms in the formula: 32.3

Info

Empirical formula:

Na0.3Fe2(Si0.75Al0.25)4O10(OH)2·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.03

10

30.96

1.0079470

10.0794700

Oxygen

O

51.62

16

49.54

15.9994300

255.9908800

Sodium

Na

1.39

0.3

0.93

22.9897702

6.8969311

Aluminium

Al

5.44

1

3.10

26.9815382

26.9815382

Silicon

Si

16.99

3

9.29

28.0855300

84.2565900

Iron

Fe

22.52

2

6.19

55.8452000

111.6904000

Anal­y­sis wt%

SiO2 : 40.25, Al2O3 : 5.50, Fe2O3 : 29.44, MgO : 0.53, CaO : 2.29, H2O : 22.34 (Ref: American Mineralogist 46)

Strunz 9th edi­tion incl. updates

9.EC.40

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
C: Schichtsilikate (Phyllosilikate) mit Glimmer Tafeln, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
40:Montmorillonit-Gruppe

Lapis Clas­sifica­tion

VIII/H.19-040

VIII: SILIKATE
H: Schichtsilikate
19: Tonminerale, regulär geschichtet; Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Montmorillonit-Gruppe

Clas­sifica­tion by Hölzel

9.EI.220

9: SILICATES
E: Phyllosilicates
I: Montmorillonite-Saponite-Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

grünlichgelb, bräunlich grün, olivgrün

Streak color

weiß

Diaphane­ity (Trans­parency)

teilweise opak

max. Birefrin­gence

0.03

Birefringence chart\! Nontronite title=Birefringence chart Nontronite

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

1.59

RI value β

1.61

RI value γ / ε

1.62

Ri mean

1.607

2V angle

Biaxial (-) 70°~

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

monoklin

Cell param­e­ters a (Å)

5.23

Cell param­e­ters b (Å)

9.11

Cell param­e­ters c (Å)

15.3 !

Cell param­e­ters a/b or c/a

0.574

Cell param­e­ters c/b

1.679

Cell param­e­ters α

90°

Cell param­e­ters β

90°..

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

728.973

X-Ray Pow­der Diffrac­tion

15.4(100),
4.56(100),
2.64(100),
2.56(100),
2.43(80),
1.72(80),
1.52(100)

XRD chart Nontronite

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)

1.5

VHN (Hard­ness Vick­ers)

18 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.3

2.259 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HF, HCl

Preface

Name from

dem Ort Nontron in Frankreich

Author (Name, Year)

Berthier, 1827

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 586

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

Saponite

(Ca,Na)0.3(Mg,Fe2+)3(Si,Al)4O10(OH)2·4H2O

9.EC.40

'Hectorite'

Na0.3(Mg,Li)3Si4O10(F,OH)2

9.EC.40

Beidellite

(Na,Ca0.5)0.3Al2(Si,Al)4O10(OH)2·4H2O

9.EC.40

Nontronite

Na0.3Fe23+(Si,Al)4O10(OH)2·4H2O

9.EC.40

Kurumsakite

(Zn,Ni,Cu)8Al8V2Si5O35·27H2O

9.EC.40

Swinefordite

(Ca,Na)0.3(Al,Li,Mg)2(Si,Al)4O10(OH,F)2·2H2O

9.EC.40

Volkonskoite

Ca0.3(Cr3+,Mg,Fe3+)2(Si,Al)4O10(OH)2·4H2O

9.EC.40

Yakhontovite

(Ca,Na,K)0.3(CuFe2+Mg)2Si4O10(OH)2·3H2O

9.EC.40

Montmorillonite

(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O

monoklin : 2/m : C2/m

9.EC.40

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

Brinrobertsite

(Na,K,Ca)0.3(Al,Fe,Mg)4(Si,Al)8O20(OH)4·3.5H2O

VIII/H.19-010

Montmorillonite

(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O

monoklin : 2/m : C2/m

VIII/H.19-020

Beidellite

(Na,Ca0.5)0.3Al2(Si,Al)4O10(OH)2·4H2O

VIII/H.19-030

Nontronite

Na0.3Fe23+(Si,Al)4O10(OH)2·4H2O

VIII/H.19-040

Volkonskoite

Ca0.3(Cr3+,Mg,Fe3+)2(Si,Al)4O10(OH)2·4H2O

VIII/H.19-050

Swinefordite

(Ca,Na)0.3(Al,Li,Mg)2(Si,Al)4O10(OH,F)2·2H2O

VIII/H.19-060

Yakhontovite

(Ca,Na,K)0.3(CuFe2+Mg)2Si4O10(OH)2·3H2O

VIII/H.19-070

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

Beidellite

(Na,Ca0.5)0.3Al2(Si,Al)4O10(OH)2·4H2O

9.EI.200

Nontronite

Na0.3Fe23+(Si,Al)4O10(OH)2·4H2O

9.EI.220

Other languages

German

Nontronit

Spanish

Nontronita

French

Nontronite

English

Nontronite

Russian

Нонтронит

Traditional Chinese

綠脫石

Simplified Chinese

绿脱石

Japanese

ノントロン石

Alternative Name

English

Chloropal

Chloropal (Berhardi and Brandes)

Chrome-Ferrimontmorillonite

Chrome-Nontronite

German

Chromnontronit

English

Gramenite

Hydroferripyrophyllite

Unnamed (MSH UK-29)

Yanit

Traditional Chinese

綠高嶺石

Simplified Chinese

绿高岭石

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

German pages

DeWikiPedia - search for: Nontronit
Google-Bilder-Suche - search for: Nontronit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Nontronit

English pages

Mindat - search for: Nontronite
Webmineral - search for:Nontronite
Handbook-of-Mineralogy - search for: Nontronite
RRUFF - Raman, XRD and other mineral data - search for: Nontronite
RRUFF - References and PDF downloads - search for: Nontronite
American-Mineralogist-Crystal-Structure-Database - search for: Nontronite
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Russian pages

Webmineral.ru - search for: Нонтронит

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German pages

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