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Pecoraite

Pictures (4 Images total)

Nickelin
Views (Image: 1434013649): 2049
Nickelin

Nickelin-Reicherzlinse mit grünem Pecorait überzogen. 5 cm breite Stufe von der 7. Sohle (nähe Rampe), Steinbruch Reimersgrün, Treuen, Vogtland, Sachsen, Deutschland.

Collection: Jan Hartmann
Copyright: raritätenjäger
Contribution: raritätenjäger 2015-06-11
Locality: Diabas-Steinbruch Reimersgrün / Limbach / Vogtlandkreis / Sachsen / Deutschland
Nickelin nebst Pecorait
Views (Image: 1551829729): 404
Nickelin nebst Pecorait

Kupferroter Nickelin nebst grünem Nickelsilikat (Pecorait). 7. Sohle, Steinbruch Reimersgrün. Stufenbreite: rund 5 cm.

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: Alcest 2019-03-06
Locality: Diabas-Steinbruch Reimersgrün / Limbach / Vogtlandkreis / Sachsen / Deutschland
Pecorait
Views (Image: 1551829775): 376
Pecorait

Pecoraitkugeln auf Nickelinerz. 7. Sohle, Steinbruch Reimersgrün. Stufenbreite: rund 5 mm.

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: Alcest 2019-03-06
Locality: Diabas-Steinbruch Reimersgrün / Limbach / Vogtlandkreis / Sachsen / Deutschland
Pecorait
Views (Image: 1604919193): 185
Pecorait

FO.: Steinbruch Rentzschmühle, Greiz OT Cossengrün, Thüringen, Deutschland / Stufengröße: 11 x 6,5 x 5,5 cm

Collection: Museum für Naturkunde Gera
Copyright: Hrouda
Contribution: Hrouda 2020-11-09
Locality: Steinbruch Rentzschmühle / Cossengrün / Greiz / Greiz, Landkreis / Thüringen / Deutschland

Collectors Summary

Color dunkelgrün
Streak color hellgrün
Hardness (Mohs) 2.5
Crystal System monoklin,

Chemism

Chem­ical formula

Ni3Si2O5(OH)4

Chem­ical com­po­si­tion

Nickel, Silicium, Sauerstoff, Wasserstoff

Unit weight: 380.277978 u; Number of atoms in the formula: 18

Info

Empirical formula:

Ni3Si2O5(OH)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.06

4

22.22

1.0079470

4.0317880

Oxygen

O

37.87

9

50.00

15.9994300

143.9948700

Silicon

Si

14.77

2

11.11

28.0855300

56.1710600

Nickel

Ni

46.30

3

16.67

58.6934200

176.0802600

Anal­y­sis wt%

SiO2 : 31.00, NiO : 51.50, FeO : 0.70, MgO : 0.50, CaO : 0.40, Al2O3 : 1.40, H2O : 13.80 (Ref: Science 69)

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.27-160

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

Clas­sifica­tion by Hölzel

9.EN.100

9: SILICATES
E: Phyllosilicates
N: NiSerpentine-Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Kaolinite-Serpentine Group  ⇒ Serpentine subgroup

Optical Properties

Color

dunkelgrün

Streak color

hellgrün

Diaphane­ity (Trans­parency)

durchscheinend

max. Birefrin­gence

schwach

RI value α / ω / n

1.565

RI value γ / ε

1.603

2V angle

Biaxial

Crystallography

Crystal Sys­tem

monoklin

Cell param­e­ters a (Å)

5.26

Cell param­e­ters b (Å)

9.16

Cell param­e­ters c (Å)

14.70

Cell param­e­ters a/b or c/a

0.574

Cell param­e­ters c/b

1.605

Cell param­e­ters α

90°

Cell param­e­ters β

92.0

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

707.838

X-Ray Pow­der Diffrac­tion

7.43(100),
4.50(60),
3.66(70),
2.620(60),
2.447(50),
1.529(70),
1.303(30)

XRD chart Pecoraite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.5

VHN (Hard­ness Vick­ers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.84 - 3.084 / Durchschnittlich = 3.46

3.568 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Faust & Fahey & Mason & Dwornik, 1969

References

Science 165 (1969), 59

IMA group assignments


 
 
 
monoklin
 

 
 
 
Mg2Al(SiAl)O5(OH)4
triklin
C1

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

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

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

 
 
 
Mn2+3Si2O5(OH)4
monoklin
Cm

 
 
 
Mg3Si2O5(OH)4
 
 

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

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

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

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

 
 
 
Mg3Si2O5(OH)4
monoklin
Cm

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

 
 
 
Ni3Si2O5(OH)4
monoklin
 

Refresh list

Actuality: 21. Jul 2021 - 10:54:44

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]

Pecoraite

Ni3Si2O5(OH)4

9.EN.100

Népouite

(Ni,Mg)3Si2O5(OH)4

orthorhombisch : mm2 : Ccm21

9.EN.120

Other languages

German

Pecorait

English

Pecoraite

French

Pecoraite

Spanish

Pecoraíta

Russian

Пекораит

Traditional Chinese

鎳纖蛇紋石

Simplified Chinese

镍纤蛇纹石

IMA Number

IMA 1969-005

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Пекораит

Mineral Dealer

German pages

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

Locations with GPS information