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Greifensteinite

Pictures (6 Images total)

Greifensteinit
Views (Image: 1163604843): 2045, Rating: 8.25
Greifensteinit

Bildbreite: 3 mm; Fundort Greifenstein, Ehrenfriedersdorf, Erzgebirge, Sachsen, Deutschland

Copyright: Stephan Wolfsried
Contribution: Hg 2006-11-15
Greifensteinit
Views (Image: 1303249602): 500
Greifensteinit

Bildbreite: 1,8 mm, Fundort: Palermo No. 1 Mine, Groton, Grafton Co., New Hampshire, USA

Copyright: Jason B. Smith
Contribution: thdun5 2011-04-19
Greifensteinit
Views (Image: 1217483389): 916
Greifensteinit

Bildbreite: 4 mm; Fundort: Gentil Mine, Mendes Pimentel, Minas Gerais, Brasilien

Copyright: Leonardus
Contribution: slugslayer 2008-07-31
Greifensteinit
Views (Image: 1277056257): 1380
Greifensteinit

Bildbreite: 3 mm; Fundort Greifensteine, Ehrenfriedersdorf, Erzgebirge, Sachsen, Deutschland

Copyright: Leonardus
Contribution: slugslayer 2010-06-20
Greifensteinit mit Brasilianit x
Views (Image: 1528645475): 99
Greifensteinit mit Brasilianit x

Telirio Mine,Linopolis/Minas Gerais,Brasilien; Bildbreite ca.15 mm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2018-06-10
Greifensteinit xx
Views (Image: 1528645567): 143
Greifensteinit xx

Greifensteine bei Ehrenfriedersdorf/Erzgebirge,Sachsen; Größe des Kristallaggregates ca.2,5 mm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2018-06-10

Collectors Summary

Color gelbgrün, olivgrün, hellbraun
Streak color weiß
Hardness (Mohs) 4.5
Cleavages gut {100}
Fracture uneben
Crystal System monoklin, C2/c

Chemism

Chemical formula

Ca2(Fe2+,Mn2+)5Be4[(OH)4|(PO4)6]·6H2O

Chemical composition

Beryllium, Calcium, Eisen, Mangan, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 1140.247930775 u; Number of atoms in the formula: 67

Info

Empirical formula:

Ca2(Fe0.75Mn0.25)5Be4[(OH)4(PO4)6]·6H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.41

16

23.88

1.0079470

16.1271520

Beryllium

Be

3.16

4

5.97

9.0121823

36.0487292

Oxygen

O

47.71

34

50.75

15.9994300

543.9806200

Phosphorus

P

16.30

6

8.96

30.9737612

185.8425672

Calcium

Ca

7.03

2

2.99

40.0784000

80.1568000

Manganese

Mn

6.02

1.25

1.87

54.9380499

68.6725624

Iron

Fe

18.37

3.75

5.60

55.8452000

209.4195000

Analysis wt%

P2O5 : 38.36, Al2O3 : 1.05, BeO : 9.24, FeO : 22.42, MnO : 5.56, CaO : 9.98, H2O : 13.60 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 2002)

Strunz 9th edition incl. updates

8.DA.10

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
A: Mit kleinen (und gelegentlich größeren) [Kationen]
10:Roscherit-Gruppe

Lapis Classification

VII/D.01-055

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
D: Wasserhaltige Phosphate, mit fremden Anionen
1: Vorwiegend kleine Kationen: Be-Li

Classification by Hölzel

8.DA.260

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
A: Phosphates, C small

Dana 8th edition

42.07.07.04

42: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
07: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen where (AB)5 (XO4)3 Zq · x(H2O)
07: Roscherite group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelbgrün, olivgrün, hellbraun

Streak color

weiß

max. Birefringence

0.014

Birefringence chart\! Greifensteinite title=Birefringence chart Greifensteinite

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

1.624

RI value β

1.634

RI value γ / ε

1.638

Ri mean

1.632

2V angle

Biaxial (-) 80°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

15.903

Cell parameters b (Å)

11.885

Cell parameters c (Å)

6.677

Cell parameters a/b or c/a

1.338

Cell parameters c/b

0.562

Cell parameters α

90°

Cell parameters β

94.68

Cell parameters γ

90°

Z

2

Volumne (ų)

1257.793

X-Ray Powder Diffraction

9.48(100),
5.94(80),
4.82(60),
3.96(90),
3.07(60),
2.982(70),
2.783(80),
2.638(70)

XRD chart Greifensteinite

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)

4.5

VHN (Hardness Vickers)

280 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.93 (gemessen)

3.011 ( ρ calc. Mineralienatlas )

Cleavages

gut {100}

Fracture

uneben

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Deutschland/Sachsen/Erzgebirgskreis/Ehrenfriedersdorf/Greifensteine (Steinbruch Kopper)

Type material

Staatliche Naturhistorische Sammlungen Dresden

Collection number of type material

Min 18634 Sa (MMG Dresden) / Tresor

Paragenesis of type material

Albit, Kalifeldspat, Roscherit, Viitaniemiit, Childrenit, Quarz, Apatit, Herderit, Elbait, Montmorillonit

Author (Name, Year)

Rastsvetaeva & Gurbanova & Chukanov, 2002

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 131 (2002) (4), 47

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

Footemineite

Ca2Mn2+Mn2+2Mn2+2Be4(PO4)6(OH)4·6H2O

8.DA.10

Greifensteinite

Ca2(Fe2+,Mn2+)5Be4[(OH)4|(PO4)6]·6H2O

monoklin : 2/m : C2/c

8.DA.10

Guimarãesite

Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4·6H2O

8.DA.10

Okruschite

Ca2Mn2+5Be4(AsO4)6(OH)4·6H2O

monoklin : 2/m : C2/c

8.DA.10

Roscherite

Ca2Mn2+5Be4(PO4)6(OH)4·6H2O

triklin : 1 : C1

8.DA.10

Ruifrancoite

Ca22(Fe3+,Mn,Mg)4Be4(PO4)6(OH)4·6H2O

monoklin : 2/m : C2/c

8.DA.10

Zanazziite

(Ca,Mn)2(Mg,Fe)(Mg,Fe2+,Mn,Fe3+)4Be4(PO4)6(OH)4·6H2O

monoklin : 2/m : C2/c

8.DA.10

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

Moraesite

Be2(PO4)(OH)·4H2O

monoklin : 2/m : C2/c

VII/D.01-010

Bearsite

Be2(AsO4)(OH)·4H2O

monoklin : 2/m : P21/a

VII/D.01-020

Glucine

CaBe4(PO4)2(OH)4·0.5 H2O

VII/D.01-030

Weinebeneite

CaBe3(PO4)2(OH)2·4H2O

monoklin : m : Cc

VII/D.01-035

Uralolite

Ca2Be4(PO4)3(OH)3·5H2O

monoklin : 2/m : P21/n

VII/D.01-040

Atencioite

Ca2Fe2+☐Mg2Fe2+2Be4(PO4)6(OH)4·6H2O

triklin : 1 : P1

VII/D.01-045

Zanazziite

(Ca,Mn)2(Mg,Fe)(Mg,Fe2+,Mn,Fe3+)4Be4(PO4)6(OH)4·6H2O

monoklin : 2/m : C2/c

VII/D.01-050

Guimarãesite

Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4·6H2O

VII/D.01-052

Greifensteinite

Ca2(Fe2+,Mn2+)5Be4[(OH)4|(PO4)6]·6H2O

monoklin : 2/m : C2/c

VII/D.01-055

Roscherite

Ca2Mn2+5Be4(PO4)6(OH)4·6H2O

triklin : 1 : C1

VII/D.01-060

Footemineite

Ca2Mn2+Mn2+2Mn2+2Be4(PO4)6(OH)4·6H2O

VII/D.01-065

Ruifrancoite

Ca22(Fe3+,Mn,Mg)4Be4(PO4)6(OH)4·6H2O

monoklin : 2/m : C2/c

VII/D.01-070

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

Glucine

CaBe4(PO4)2(OH)4·0.5 H2O

8.DA.200

Uralolite

Ca2Be4(PO4)3(OH)3·5H2O

monoklin : 2/m : P21/n

8.DA.220

Roscherite

Ca2Mn2+5Be4(PO4)6(OH)4·6H2O

triklin : 1 : C1

8.DA.240

Guimarãesite

Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4·6H2O

8.DA.245

Zanazziite

(Ca,Mn)2(Mg,Fe)(Mg,Fe2+,Mn,Fe3+)4Be4(PO4)6(OH)4·6H2O

monoklin : 2/m : C2/c

8.DA.250

Ruifrancoite

Ca22(Fe3+,Mn,Mg)4Be4(PO4)6(OH)4·6H2O

monoklin : 2/m : C2/c

8.DA.255

Greifensteinite

Ca2(Fe2+,Mn2+)5Be4[(OH)4|(PO4)6]·6H2O

monoklin : 2/m : C2/c

8.DA.260

Atencioite

Ca2Fe2+☐Mg2Fe2+2Be4(PO4)6(OH)4·6H2O

triklin : 1 : P1

8.DA.270

Footemineite

Ca2Mn2+Mn2+2Mn2+2Be4(PO4)6(OH)4·6H2O

8.DA.275

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Childrenite

Fe2+Al(PO4)(OH)2·H2O

orthorhombisch : mm2 : Bba2

42.07.01.01

Eosphorite

MnAl(PO4)(OH)2·H2O

monoklin, pseudo-orthorhombisch : mmm : Cmca

42.07.01.02

Ernstite

(Mn2+1-xFe3+x)Al(PO4)(OH)2-xOx

monoklin, monoklin : m, 2/m : Aa, A2/a

42.07.01.03

Sinkankasite

H2MnAl(PO4)2(OH)·6H2O

triklin : 1 : P1

42.07.01.04

Foggite

CaAl(PO4)(OH)2·H2O

orthorhombisch : 222 : A2122

42.07.02.01

Krasnovite

Ba(Al,Mg)(PO4,CO3)(OH)2·H2O

orthorhombisch, orthorhombisch : mmm, mmm : Pnnn, Pnna

42.07.02.02

Crandallite

CaAl3(PO4)(PO3OH)(OH)6

trigonal : 3m : R3m

42.07.03.01

Gorceixite

BaAl3(PO4)(PO3OH)(OH)6

monoklin : m : Cm

42.07.03.02

Goyazite

SrAl3(PO4)(PO3OH)(OH)6

trigonal : 3m : R3m

42.07.03.03

Plumbogummite

PbAl3(PO4)2(OH)5·H2O

trigonal : 3m : R3m

42.07.03.05

Kintoreite

PbFe33+[(OH,H2O)6|(PO4,AsO4,SO4)2]

trigonal : 3m : R3m

42.07.03.06

Benauite

(Sr,Ba)Fe33+[(OH,H2O)6|(PO4,SO4)2]

trigonal : 3m : R3m

42.07.03.07

Springcreekite

BaV3+3(PO4)(PO3OH)(OH)6

trigonal : 3m : R3m

42.07.03.08

Arsenocrandallite

(Ca,Sr)Al3[(As,P)O4]2(OH)5·H2O

trigonal : 3m : R3m

42.07.04.01

Philipsbornite

PbAl3(AsO4)2(OH)5·H2O

trigonal : 3m : R3m

42.07.04.02

Arsenogoyazite

(Sr,Ca,Ba)Al3(AsO4)(AsO3OH)(OH)6

trigonal : 3m, 3m : R3m, R3m

42.07.04.03

Segnitite

PbFe33+H(AsO4)2(OH)6

trigonal : 3m : R3m

42.07.04.04

Nissonite

Cu2Mg2(PO4)2(OH)2·5H2O

monoklin : 2/m : C2/c

42.07.05.01

Uralolite

Ca2Be4(PO4)3(OH)3·5H2O

monoklin : 2/m : P21/n

42.07.06.01

Weinebeneite

CaBe3(PO4)2(OH)2·4H2O

monoklin : m : Cc

42.07.06.02

Zanazziite

(Ca,Mn)2(Mg,Fe)(Mg,Fe2+,Mn,Fe3+)4Be4(PO4)6(OH)4·6H2O

monoklin : 2/m : C2/c

42.07.07.03

Greifensteinite

Ca2(Fe2+,Mn2+)5Be4[(OH)4|(PO4)6]·6H2O

monoklin : 2/m : C2/c

42.07.07.04

Atencioite

Ca2Fe2+☐Mg2Fe2+2Be4(PO4)6(OH)4·6H2O

triklin : 1 : P1

42.07.07.05

Cyrilovite

NaFe33+(PO4)2(OH)4·2H2O

tetragonal : 422 : P41212

42.07.08.01

Wardite

NaAl3(PO4)2(OH)4·2H2O

tetragonal : 422, 422 : P41212, P43212

42.07.08.02

Millisite

(Na,K)CaAl6(PO4)4(OH)9·3H2O

42.07.09.01

Other languages

German

Greifensteinit

Spanish

Greifensteinita

French

Greifensteinite

English

Greifensteinite

Russian

Грайфенштейнит

Traditional Chinese

水磷錳鈹石

Simplified Chinese

水磷锰铍石

IMA Number

IMA 2001-044

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

German pages

DeWikiPedia - search for: Greifensteinit
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Mineralogisch-Petrographisches-Institut Hamburg - search for: Greifensteinit

English pages

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Russian pages

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