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Lizardite (Lizardit)

Pictures (12 Images total)

Lizardit
Views (Image: 1293815011): 7154
Lizardit

Größe: 1,6 mm; Fundort: Val Sissone, Chiareggio, Val Malenco, Sondrio, Provinz, Lombardei (Lombardia), Region, Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-31
Locality: Val Sissone / Chiareggio / Val Malenco / Sondrio, Provinz / Lombardei (Lombardia), Region / Italien
Lizardit
Views (Image: 1293662451): 4909
Lizardit

Größe: 1,32 mm; Fundort: Val Sissone, Chiareggio, Val Malenco, Sondrio, Provinz, Lombardei (Lombardia), Region, Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-12-29
Locality: Val Sissone / Chiareggio / Val Malenco / Sondrio, Provinz / Lombardei (Lombardia), Region / Italien
Saponit auf Lizardit
Views (Image: 1158836716): 12083
Saponit auf Lizardit

Größe: 1,5 x 3 x 4 cm; Fundort: Diabassteinbruch, Oberscheld, Dillenburg, Hessen, Deutschland

Collection: JHM
Copyright: Christiane David
Contribution: Hg 2006-09-21
Locality: Diabassteinbruch / Oberscheld / Dillenburg / Lahn-Dill-Kreis / Gießen, Bezirk / Hessen / Deutschland
Lizardit
Views (Image: 1177159242): 8365
Lizardit

Bildauschnitt ca. 5 cm; Fundort Oberscheld, Dillenburg, Hessen

Copyright: Hg
Contribution: Hg 2007-04-21
Locality: Diabassteinbruch / Oberscheld / Dillenburg / Lahn-Dill-Kreis / Gießen, Bezirk / Hessen / Deutschland
Lizardit
Views (Image: 1313218670): 1275
Lizardit

Lizardit psm. nach Olivin; Größe: 51x48 mm; Fundort: Snarum, Provinz Buskerud, Norwegen

Collection: British Museum of Natural History
Copyright: Rock Currier
Contribution: slugslayer 2011-08-13
Locality: Snarum / Modum / Viken, Provinz / Norwegen
Lizardit
Views (Image: 1623412129): 117
Lizardit

Dypingdal, Snarum, Modum, Viken, NO. BB: 8cm.

Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2021-06-11
Locality: Dypingdal / Snarum / Modum / Viken, Provinz / Norwegen

Collectors Summary

Color grün, grün blau, gelb, weiß
Streak color weiß
Lustre Wachsglanz
Hardness (Mohs) 2.5
Cleavages vollkommen {0001}
Solubility +++ Säuren
Crystal System monoklin, Cm

Additional information / Summary

Lizardit kommt in verschiedenen Polytypen vor. Hier wird primär der monokline Typ beschrieben.

Weitere Polytypen lt. Strunz Mineralogical Tables 9. Ausgabe

  • Lizardit-6T1 (trigonal P3) Brindley & v. Knörring 1954
  • Lizardite-2H2 (hexagonal P63) Brigatti u. weitere, 1997

Chemism

Chem­ical formula

Mg3Si2O5(OH)4

Chem­ical com­po­si­tion

Magnesium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 277.112898 u; Number of atoms in the formula: 18

Info

Empirical formula:

Mg3Si2O5(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

51.96

9

50.00

15.9994300

143.9948700

Magnesium

Mg

26.31

3

16.67

24.3050600

72.9151800

Silicon

Si

20.27

2

11.11

28.0855300

56.1710600

Anal­y­sis wt%

MgO : 40.69, FeO : 1.81, Al2O3 : 2.79, SiO2 : 41.80, H2O : 12.90 (Ref: American Mineralogist 87)

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.27-020

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

Clas­sifica­tion by Hölzel

9.EM.300

9: SILICATES
E: Phyllosilicates
M: Serpentine-Group
3: Lizardite-Group

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Kaolinite-Serpentine Group  ⇒ Serpentine subgroup

Optical Properties

Color

grün, grün blau, gelb, weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

durchscheinend

Lus­tre

Wachsglanz

max. Birefrin­gence

0.008

Birefringence chart\! Lizardite title=Birefringence chart Lizardite

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

1.538 - 1.554

RI value β

1.546 - 1.560

RI value γ / ε

1.546 - 1.560

Ri mean

1.551

2V angle

Uniaxial (-)

Ori­enta­tion

Y = b, Z ~ a, X ~ c

Optical Data Luminescence

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

m

Space Group number

8

Space Group

Cm

Cell param­e­ters a (Å)

5.301

Cell param­e­ters b (Å)

9.186

Cell param­e­ters c (Å)

7.281

Cell param­e­ters a/b or c/a

0.577

Cell param­e­ters c/b

0.793

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

354.548

Kristall struc­ture

M. Mellini, G. Cressey, F. J. Wicks, and B. A. Cressey: The crystal structure of Mg end-member lizardite-1T forming polyhedral spheres from the Lizard, Cornwall. Mineral. Mag. 74 (2010) S.277-284

X-Ray Pow­der Diffrac­tion

7.31(100),
4.59(50),
3.64(100),
2.494(100),
2.143(60),
1.531(70),
1.503(60),
1.306(60)

XRD chart Lizardite

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

Polytypes

Lizardite-1T

Mg3Si2O5(OH)4

trigonal

P31m

3m

Lizardite-2H1

Mg3Si2O5(OH)4

hexagonal

P63cm

6mm

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.5

VHN (Hard­ness Vick­ers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.55 - 2.6 / Durchschnittlich = 2.57

2.596 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {0001}

Tenac­ity

leicht zu biegen

Insta­bil­ity

+++ 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

UK/England/Cornwall Co./Lizard-Halbinsel/Kennack/Eastern Cliff

Type mate­r­ial

Natural History Museum, London, England

National Museum of Natural History, Washington, D.C., USA

Col­lec­tion number of type mate­r­ial

1955,243 (England); 114569 (USA)

Preface

Occurrences

Typischerweise ist Lizardit ein Produkt der retrograden Metamorphose; ersetzt Olivin, Orthopyroxen oder andere Mineralien in ultramafischen magmatischen Gesteinen.

Asso­cia­tions

Chrysotil, Brucit, Magnetit

Rare­ness

vermutlich das häufigste Serpentin-Mineral

Name from

1955 von Eric James William Whittaker und Jack Zussman nach der Typlokalität "The Lizard, Eastern Cliff, Kennack, Lizard-Halbinsel, Cornwall, England, UK" benannt.

Author (Name, Year)

Whittaker & Zussman, 1956

References

Mineralogical Magazine 29 (1951), 526.

Mineralogical Magazine 31 (1956), 108.

Acta Crystallographica 19 (1965), 381.

Zeitschrift für Kristallographie 126 (1968), 163.

Gregorkiewitz, M., Lebech, B., Mellini, M., and Viti, C. - Hydrogen positions and thermal expansion in lizardite-1T from Elba: A low-temperature study using Rietveld refinement of neutron diffraction data - American Mineralogist 81 (1996), 1111-1116.

Balan, E., Saitta, A.M., Mauri, F., Lemaire, C., and Guyot, F. - First-principles calculation of the infrared spectrum of lizardite. American Mineralogist 87 (2002), 1286-1290.

Canadian Mineralogist 41 (2003), 883.

Physics and Chemistry of Minerals 33 (2006), 629.

Wicks, F.J. and Chatfield, E.J. - Scrolling of thin crystals of lizardite: an expression of internal stress. Canadian Mineralogist 43 (2005), 193-2004.

American Mineralogist, Volume 72, pages 94i-948, 1987 http://rruff.geo.arizona.edu/doclib/am/vol72/AM72_943.pdf

American Mineralogist 79 (1994) 1194-1198 http://rruff.geo.arizona.edu/doclib/am/vol79/AM79_1194.pdf

American Mineralogist 81 (1996) 1111-1116 http://rruff.geo.arizona.edu/doclib/am/vol81/AM81_1111.pdf

American Mineralogist 82 (1997) 931-935 http://rruff.geo.arizona.edu/doclib/am/vol82/AM82_931.pdf

The Canadian Mineralogist 36 (1998) 1587-1594 http://rruff.geo.arizona.edu/doclib/cm/vol36/CM36_1587.pdf

The Canadian Mineralogist 49 (2011) 1045-1054

European Journal of Mineralogy 1 (1989) 13-19

Physics and Chemistry of Minerals 33 (2006) 266-275

IMA group assignments

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

Amesite

Mg2Al(SiAl)O5(OH)4

triklin : 1 : C1

9.ED.15

Kellyite

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

hexagonal : 6 : P63

9.ED.15

Lizardite

Mg3Si2O5(OH)4

monoklin : m : Cm

9.ED.15

Népouite

(Ni,Mg)3Si2O5(OH)4

orthorhombisch : mm2 : Ccm21

9.ED.15

Pecoraite

Ni3Si2O5(OH)4

9.ED.15

Antigorite

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

monoklin : m : Cm

9.ED.15

Chrysotile

Mg3Si2O5(OH)4

9.ED.15

'Serpentine subgroup'

9.ED.15

Berthierine

(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4

monoklin : 2/m : C2/m

9.ED.15

Brindleyite

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

9.ED.15

Fraipontite

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

9.ED.15

Greenalite

(Fe2+,Fe3+)2-3Si2O5(OH)4

monoklin : m : Cm

9.ED.15

Caryopilite

Mn2+3Si2O5(OH)4

monoklin : m : Cm

9.ED.15

Manandonite

Li2Al4[(Si2AlB)O10](OH)8

triklin : 1 : C1

9.ED.15

Cronstedtite

Fe22+Fe3+(SiFe3+)O5(OH)4

trigonal : 3m : P31m

9.ED.15

Guidottiite

Mn2Fe3+(SiFe3+)O5(OH)4

hexagonal : 6 : P63

9.ED.15

'Lizardite-1T' (Pol.v. Lizardite)

Mg3Si2O5(OH)4

trigonal : 3m : P31m

9.ED.15

'Greenalite-1T'

(Fe2+,Fe3+)2-3Si2O5(OH)4

9.ED.15

'Lizardite-2H1' (Pol.v. Lizardite)

Mg3Si2O5(OH)4

hexagonal : 6mm : P63cm

9.ED.15

'Parachrysotile' (Pol.v. Chrysotile)

Mg3Si2O5(OH)4

9.ED.15

'Clinochrysotile' (Pol.v. Chrysotile)

Mg3Si2O5(OH)4

monoklin : 2/m : C2/m

9.ED.15

'Orthochrysotile' (Pol.v. Chrysotile)

Mg3Si2O5(OH)4

orthorhombisch : mm2 : Ccm21

9.ED.15

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

Antigorite

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

monoklin : m : Cm

VIII/H.27-010

Lizardite

Mg3Si2O5(OH)4

monoklin : m : Cm

VIII/H.27-020

Chrysotile

Mg3Si2O5(OH)4

VIII/H.27-030

Caryopilite

Mn2+3Si2O5(OH)4

monoklin : m : Cm

VIII/H.27-055

Greenalite

(Fe2+,Fe3+)2-3Si2O5(OH)4

monoklin : m : Cm

VIII/H.27-060

Berthierine

(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4

monoklin : 2/m : C2/m

VIII/H.27-070

Fraipontite

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

VIII/H.27-080

Dozyite

Mg7(Al,Fe3+,Cr)2[(OH)12|Al2Si4O15]

monoklin : m : Cm

VIII/H.27-095

Amesite

Mg2Al(SiAl)O5(OH)4

triklin : 1 : C1

VIII/H.27-100

Kellyite

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

hexagonal : 6 : P63

VIII/H.27-110

Cronstedtite

Fe22+Fe3+(SiFe3+)O5(OH)4

trigonal : 3m : P31m

VIII/H.27-120

Guidottiite

Mn2Fe3+(SiFe3+)O5(OH)4

hexagonal : 6 : P63

VIII/H.27-130

'Karpinskite'

(Mg,Ni)2Si2O5(OH)2

VIII/H.27-140

Népouite

(Ni,Mg)3Si2O5(OH)4

orthorhombisch : mm2 : Ccm21

VIII/H.27-150

Pecoraite

Ni3Si2O5(OH)4

VIII/H.27-160

Brindleyite

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

VIII/H.27-170

Carlosturanite

(Mg,Fe2+,Ti)21(Si,Al)12O28(OH)34·H2O

monoklin : m : Cm

VIII/H.27-190

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

Lizardite

Mg3Si2O5(OH)4

monoklin : m : Cm

9.EM.300

'Lizardite-1T' (Pol.v. Lizardite)

Mg3Si2O5(OH)4

trigonal : 3m : P31m

9.EM.310

'Lizardite-2H1' (Pol.v. Lizardite)

Mg3Si2O5(OH)4

hexagonal : 6mm : P63cm

9.EM.320

Kellyite

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

hexagonal : 6 : P63

9.EM.330

Guidottiite

Mn2Fe3+(SiFe3+)O5(OH)4

hexagonal : 6 : P63

9.EM.340

Zussmanite

K(Fe2+,Mg,Mn)13(Si,Al)18O42(OH)14

trigonal : 3 : R3

9.EM.350

Coombsite

K(Mn2+,Fe2+,Mg)13[(OH)7|(Si,Al)3O3|Si6O18]2

trigonal : 3, 3 : R3, R3

9.EM.360

Alternative Name

German

Lizardit-1M

Spanish

Lizardita

English

Lizardite-1M

German

Norwegische Jade

Handels- bzw. Trivialname für derben Lizardit

German

Scyelit

Spanish

Scyelita

Scyelite

CNMNC symbol

Symbol

Lz

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Лизардит

Mineral Dealer

German pages

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

Locations with GPS information




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