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Joosteite

Collectors Summary

Color schwarz
Streak color bräunlichschwarz
Lustre schwacher Halbmetallglanz
Cleavages keine
Crystal System monoklin, I2/a
Morphology Das Mineral tritt in Form von schmalen, unregelmäßig konturierten, nie verzwillingten Aggregaten bis 3mm Länge auf.

Chemism

Chem­ical formula

(Mn2+,Mn3+,Fe3+)2(PO4)O

Addi­tional chem. informa­tion

Triplit/Triploidit Gruppen

Chem­ical com­po­si­tion

Eisen, Mangan, Phosphor, Sauerstoff

Unit weight: 221.02844102 u; Number of atoms in the formula: 8

Info

Empirical formula:

(Mn0.6Mn0.3Fe0.1)2(PO4)O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

36.19

5

62.50

15.9994300

79.9971500

Phosphorus

P

14.01

1

12.50

30.9737612

30.9737612

Manganese

Mn

44.74

1.8

22.50

54.9380499

98.8884898

Iron

Fe

5.05

0.2

2.50

55.8452000

11.1690400

Anal­y­sis wt%

P2O5 : 29.97, Fe2O3 : 12.86, Mn2O3 : 22.80, MnO : 31.14 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) A2007)

Strunz 9th edi­tion incl. updates

8.DO.

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
O: Mit CO3, SO4, SiO4

Lapis Clas­sifica­tion

VII/B.03-067

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
B: Wasserfreie Phosphate, mit fremden Anionen F,Cl,O,OH
3: Mittelgroße Kationen: Mg-Mn-Fe-Cu-Zn

Clas­sifica­tion by Hölzel

8.BB.275

8: PHOSPHATES ARSENATES VANADATES
B: Phosphates (+Anions -Water)
B: Phosphates, C medium, V: 2, OH/XO4=1/1
2: Monoclinic Zwieselite-Group

IMA sta­tus

anerkannt 2005

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

schwarz

Streak color

bräunlichschwarz

Diaphane­ity (Trans­parency)

opak-dunkelbraun-durchscheinend in ultradünnen Schliffen

Lus­tre

schwacher Halbmetallglanz

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

I2/a

Cell param­e­ters a (Å)

11.888

Cell param­e­ters b (Å)

6.409

Cell param­e­ters c (Å)

9.804

Cell param­e­ters a/b or c/a

1.855

Cell param­e­ters c/b

1.530

Cell param­e­ters α

90°

Cell param­e­ters β

106.17

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

717.418

X-Ray Pow­der Diffrac­tion

3.600(4), 3.209(6), 3.077(8), 2.819(10), 2.184(4), 2.082(5), 1.787(5), 1.495(5)

XRD chart Joosteite

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

Morphol­ogy

Das Mineral tritt in Form von schmalen, unregelmäßig konturierten, nie verzwillingten Aggregaten bis 3mm Länge auf.

Crystal Structure 3D

Open larger view

Physical Properties

VHN (Hard­ness Vick­ers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.13 berechnet

4.093 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Tenac­ity

spröde

(Co-)Type locality

(Co-)Type locality

Namibia/Erongo, Region/Karibib, Kreis/Farm Okongava-Ost/Helikon II-Pegmatit

Type mate­r­ial

Archiv der Universität Stuttgart, "Mineralogische Sammlung Prof. Keller"

Col­lec­tion number of type mate­r­ial

TM-05.13-9911.07 / 0/824-s27/2

Par­a­ge­n­e­sis of type mate­r­ial

Amblygonit, Lithiophilit, Sicklerit, Eosphorit, Varulit, Dickinsonit, Hureaulith, manganhaltiger Apatit

Preface

Asso­cia­tions

Lithiophilit, Sicklerit, Eosphorit, Amblygonit, Varulith, Dickinsonit, Hureaulith, Apatit

Name from

Charlotte "Lotti" Jooste (in Anerkennung ihrer uneigennützigen Unterstützung der Pegmatitforscher in Zentralnamibia)

References

Keller, P, Fontan, F., Roldan, F. V. & P.de Parseval (2007): "Joosteite, Mn2+(Mn3+,Fe3+)(PO4)O - a new phosphate mineral from the Helikon II Mine, Karibib, Namibia". - Neues Jahrbuch für Mineralogie, Abhandlungen, 183 (2), S.197-201.
Mineralien Welt 05/08, Steffen Jahn, Die neuen Mineralien 2007 - 2008

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

Girvasite

NaCa2Mg3(PO4)2[PO2(OH)2](CO3)(OH)2·4H2O

monoklin : 2/m : P21/c

8.DO.05

Joosteite

(Mn2+,Mn3+,Fe3+)2(PO4)O

monoklin : 2/m : I2/a

8.DO.

Krásnoite

Ca3Al7.7Si3P4O22.9(OH)13.3F2·8H2O

trigonal : 3m : P3m1

8.DO.20

Micheelsenite

(Ca,Y)3Al[(OH)6|{PO3(OH),CO3}|CO3]·12H2O

hexagonal : 6 : P63

8.DO.30

Parwanite

(Na,K)(Mg,Ca)4Al8(PO4)8(CO3)(OH)7·30H2O

8.DO.40

Peisleyite

Na3Al16(SO4)2(PO4)10(OH)17·20H2O

8.DO.15

Perhamite

(Ca,Sr)3Al8[(OH)14|(PO4)4|Si3O8]·8 H2O

trigonal : 3m : P3m1

8.DO.20

Saryarkite-(Y)

Ca(Y,Th)Al5(SiO4)2(PO4,SO4)2(OH)7·6H2O

tetragonal : 422, 422 : P4212, P42212

8.DO.25

Skorpionite

Ca3Zn2(PO4)2CO3(OH)2·H2O

monoklin : 2/m : C2/c

8.DO.45

Voggite

Na2Zr(PO4)(CO3)(OH)·2H2O

monoklin : 2/m : I2/m

8.DO.10

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

Wagnerite

(Mg,Fe2+)2(PO4)F

monoklin : 2/m : P21/c

VII/B.03-010

Hydroxylwagnerite

Mg2(PO4)(OH)

monoklin : 2/m : P21/c

VII/B.03-020

Zwieselite

Fe2+2(PO4)F

monoklin : 2/m : I2/a

VII/B.03-030

Triplite

Mn2+2(PO4)F

monoklin : 2/m : I2/a

VII/B.03-040

Wolfeite

(Fe2+,Mn2+)2(PO4)(OH)

monoklin : 2/m : P21/a

VII/B.03-050

Triploidite

(Mn,Fe2+)2(PO4)(OH)

monoklin : 2/m : P21/a

VII/B.03-060

Stanekite

Fe3+Mn2+O(PO4)

monoklin : 2/m : P21/a

VII/B.03-065

Joosteite

(Mn2+,Mn3+,Fe3+)2(PO4)O

monoklin : 2/m : I2/a

VII/B.03-067

Sarkinite

Mn22+(AsO4)(OH)

monoklin : 2/m : P21/a

VII/B.03-070

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

Zwieselite

Fe2+2(PO4)F

monoklin : 2/m : I2/a

8.BB.200

Triplite

Mn2+2(PO4)F

monoklin : 2/m : I2/a

8.BB.210

Wagnerite

(Mg,Fe2+)2(PO4)F

monoklin : 2/m : P21/c

8.BB.230

Hydroxylwagnerite

Mg2(PO4)(OH)

monoklin : 2/m : P21/c

8.BB.231

'Magniotriplite'

(Mg,Fe2+,Mn2+)2PO4(F,OH)

monoklin : 2/m : I2/a

8.BB.240

Wolfeite

(Fe2+,Mn2+)2(PO4)(OH)

monoklin : 2/m : P21/a

8.BB.250

Triploidite

(Mn,Fe2+)2(PO4)(OH)

monoklin : 2/m : P21/a

8.BB.260

Stanekite

Fe3+Mn2+O(PO4)

monoklin : 2/m : P21/a

8.BB.270

Joosteite

(Mn2+,Mn3+,Fe3+)2(PO4)O

monoklin : 2/m : I2/a

8.BB.275

Sarkinite

Mn22+(AsO4)(OH)

monoklin : 2/m : P21/a

8.BB.280

Olivenite

Cu2AsO4(OH)

monoklin : 2/m : P21/n

8.BB.290

Other languages

German

Joosteit

English

Joosteite

Russian

Джустеит

IMA Number

IMA 2005-013

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Джустеит

Mineral Dealer

German pages

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

Locations with GPS information




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