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Joosteite

A valid IMA mineral species

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Formula:

Mn²⁺(Mn³⁺,Fe³⁺)(PO₄)O

Colour:

grey with a brownish tinge, dark brown in thin section

Lustre:

Sub-Metallic

Hardness:

Specific Gravity:

4.13 (Calculated)

Crystal System:

Monoclinic

Member of:

Wagnerite Group

Name:

Named for Mrs. Charlotte Jooste (1920-2009), Karibib, Namibia, for her support of pegmatite research in Central Namibia.

Type Locality:

ⓘ Helikon II pegmatite, Okongava Ost Farm 72, Karibib Constituency, Erongo Region, Namibia

Wagnerite Group.
The Mn³⁺ analogue of stanĕkite.

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Unique IdentifiersHide

Mindat ID:

27436

Long-form identifier:

mindat:1:1:27436:4

GUID
(UUID V4):

ceb362f5-3eac-4eb0-8be3-40bbe169b4cf

IMA Classification of JoosteiteHide

IMA status:

Approved

IMA Formula:

Mn²⁺Mn³⁺O(PO₄)

Approval year:

2005

Type description reference:

Keller, Paul, Fontan, François, Roldan, Francisco Velasco, de Parseval, Philippe (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) 197-201 doi:10.1127/0077-7757/2007/0069

Classification of JoosteiteHide

Strunz-mindat (2024):

8.BB.15

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H₂O
B : With only medium-sized cations, (OH, etc.):RO₄ about 1:1

Dana 8th ed.:

41.6.3.5

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
6 : A₂(XO₄)Z_q

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Joo	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of JoosteiteHide

Pronunciation:

Play	Recorded by	Country
	Debbie Woolf	United Kingdom

Physical Properties of JoosteiteHide

Lustre:

Sub-Metallic

Transparency:

Opaque

Comment:

weak

Colour:

grey with a brownish tinge, dark brown in thin section

Hardness:

4 on Mohs scale

Tenacity:

Brittle

Cleavage:

None Observed

Density:

4.13 g/cm³ (Calculated)

Optical Data of JoosteiteHide

Anisotropism:

distinct

Bireflectance:

Low to moderate

Colour in reflected light:

gray with a brownish tint

Chemistry of JoosteiteHide

Mindat Formula:

Mn²⁺(Mn³⁺,Fe³⁺)(PO₄)O

Elements listed:

Fe, Mn, O, P - search for minerals with similar chemistry

Crystallography of JoosteiteHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 11.888(2) Å, b = 6.409(1) Å, c = 9.804(2) Å
β = 106.17(3)°

Ratio:

a:b:c = 1.855 : 1 : 1.53

Unit Cell V:

717.3 Å³

Twinning:

not observed

Comment:

Space Group: I2/a

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0014727	Joosteite	Keller P, Lissner F, Schleid T (2007) The crystal structure of joosteite, (Mn2+,Mn3+,Fe3+)2[PO4]O, from the Helikon II mine, Karibib (Namibia), and its relationship to stanekite, (Fe3+,Mn2+,Fe2+,Mg)2[PO4]O Neues Jahrbuch fur Mineralogie, Abhandlungen 184 225-230		2007	Helikon II mine, Karibib, Namibia	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Joosteite'
loop_
_publ_author_name
'Keller P'
'Lissner F'
'Schleid T'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Abhandlungen'
_journal_volume 184 
_journal_year 2007
_journal_page_first 225
_journal_page_last 230
_publ_section_title
;
 The crystal structure of joosteite, (Mn2+,Mn3+,Fe3+)2[PO4]O, from the Helikon II mine,
 Karibib (Namibia), and its relationship to stanekite, (Fe3+,Mn2+,Fe2+,Mg)2[PO4]O
 Note: M1 and M2 Fe/Mn occupancies not determined, below are estimates
;
_database_code_amcsd 0014727
_chemical_compound_source 'Helikon II mine, Karibib, Namibia'
_chemical_formula_sum 'Mn1.436 Fe.48 P O5'
_cell_length_a 11.888
_cell_length_b 6.409
_cell_length_c 9.804
_cell_angle_alpha 90
_cell_angle_beta 106.17
_cell_angle_gamma 90
_cell_volume 717.418
_exptl_crystal_density_diffrn      4.012
_symmetry_space_group_name_H-M 'I 1 2/a 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/2-x,y,-z'
  '-x,1/2+y,1/2-z'
  '1/2+x,-y,z'
  '+x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
MnM1   0.20305   0.00704   0.19432   0.79300   0.03420
FeM1   0.20305   0.00704   0.19432   0.15900   0.03420
MnM2   0.11156   0.14042   0.45274   0.64300   0.03210
FeM2   0.11156   0.14042   0.45274   0.32100   0.03210
P   0.07267   0.65914   0.37803   1.00000   0.02710
O1   0.05070   0.83580   0.47190   1.00000   0.03980
O2   0.95930   0.60860   0.26310   1.00000   0.03260
O3   0.16820   0.71700   0.30990   1.00000   0.04320
O4   0.11400   0.46880   0.47300   1.00000   0.03530
O5   0.26530   0.15590   0.37620   1.00000   0.05220
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
MnM1 0.02720 0.04550 0.02610 0.00120 0.00130 0.00300
FeM1 0.02720 0.04550 0.02610 0.00120 0.00130 0.00300
MnM2 0.03980 0.02620 0.02420 -0.00010 -0.00140 -0.00030
FeM2 0.03980 0.02620 0.02420 -0.00010 -0.00140 -0.00030
P 0.02580 0.02370 0.02550 -0.00010 0.00290 0.00040
O1 0.05710 0.03090 0.02840 0.00170 0.00690 -0.00410
O2 0.02980 0.03770 0.02690 -0.00130 0.00240 0.00290
O3 0.03410 0.05190 0.04440 -0.00420 0.01240 0.00660
O4 0.03210 0.03440 0.03680 0.00460 0.00550 0.00600
O5 0.04990 0.05410 0.03980 0.01340 -0.00850 -0.01420

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
2.819 Å	(100)
3.077 Å	(80)
3.209 Å	(60)
2.082 Å	(50)
1.787 Å	(50)
1.495 Å	(50)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Near-surface Processes
21 : Chemically precipitated carbonate, phosphate, iron formations
High-𝑇 alteration and/or metamorphism
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits
Stage 4b: Highly evolved igneous rocks	>3.0
34 : Complex granite pegmatites
Stage 5: Initiation of plate tectonics	<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)
Stage 7: Great Oxidation Event	<2.4
47a : [Near-surface hydration of prior minerals]
47c : [Carbonates, phosphates, borates, nitrates]

Type Occurrence of JoosteiteHide

Type Locality:

ⓘ Helikon II pegmatite, Okongava Ost Farm 72, Karibib Constituency, Erongo Region, Namibia

General Appearance of Type Material:

irregular small aggregates up to 3mm in length

Place of Conservation of Type Material:

Universitat Stuttgart, Germany; Museum d'Histoire Naturelle de Toulouse, France, and the Department de Mineralogia y Petrologia, Universidad del Pais Vasco, Bilbao, Spain

Geological Setting of Type Material:

granitic rare element pegmatite

Associated Minerals at Type Locality:

Lithiophilite	Sicklerite	Eosphorite	Amblygonite	Varulite
Dickinsonite-(KMnNa)	Hureaulite	Apatite

Reference:

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

Synonyms of JoosteiteHide

IMA2005-013

Relationship of Joosteite to other SpeciesHide

Member of:

Wagnerite Group

Other Members of this group:

Arsenowagnerite	Mg₂(AsO₄)F	Mon. 2/m : P2₁/b
Hydroxylwagnerite	Mg₂(PO₄)(OH)	Mon. 2/m : P2₁/b
Sarkinite	Mn²⁺₂(AsO₄)(OH)	Mon. 2/m : P2₁/b
Stanĕkite	(Mn²⁺,Fe²⁺,Mg)Fe³⁺(PO₄)O	Mon. 2/m : P2₁/b
Wagnerite	(Mg,Fe²⁺)₂(PO₄)F	Mon. 2/m : P2₁/b
Wagnerite-Arsenowagnerite Series

Related Minerals - Strunz-mindat Grouping Hide

8.BB.	Tilasite	CaMg(AsO₄)F	Mon.
8.BB.X	Arsenowagnerite	Mg₂(AsO₄)F	Mon. 2/m : P2₁/b
8.BB.	Moabite	NiFe³⁺(PO₄)O	Orth. mmm (2/m 2/m 2/m) : Pnma
8.BB.	Karlditmarite	Cu₉O₄(PO₄)₂(SO₄)₂	Tric. 1 : P1
8.BB.	Milkovoite	Cu₄O(PO₄)(AsO₄)	Orth. mmm (2/m 2/m 2/m) : Pnma
8.BB.	Paulgrothite	Cu₉Fe³⁺O₄(PO₄)₄Cl₃	Orth. mm2 : Cmc2₁
8.BB.05	Amblygonite	LiAl(PO₄)F	Tric. 1 : P1
8.BB.05	Montebrasite	LiAl(PO₄)(OH)	Tric. 1 : P1
8.BB.05	Tavorite	LiFe³⁺(PO₄)(OH)	Tric. 1 : P1
8.BB.10	Triplite	Mn²⁺₂(PO₄)F	Mon. 2/m
8.BB.10	Zwieselite	Fe²⁺₂(PO₄)F	Mon. 2/m : P2₁/b
8.BB.15	Sarkinite	Mn²⁺₂(AsO₄)(OH)	Mon. 2/m : P2₁/b
8.BB.15	Triploidite	Mn²⁺₂(PO₄)(OH)	Mon. 2/m : P2/b
8.BB.15	Wagnerite	(Mg,Fe²⁺)₂(PO₄)F	Mon. 2/m : P2₁/b
8.BB.15	Wolfeite	Fe²⁺₂(PO₄)(OH)	Mon. 2/m : P2₁/b
8.BB.15	Stanĕkite	(Mn²⁺,Fe²⁺,Mg)Fe³⁺(PO₄)O	Mon. 2/m : P2₁/b
8.BB.15	Hydroxylwagnerite	Mg₂(PO₄)(OH)	Mon. 2/m : P2₁/b
8.BB.15	Unnamed (Sb-analogue of Auriacusite)	Fe³⁺Cu²⁺[(Sb,As)O₄]O
8.BB.20	Holtedahlite	Mg₂(PO₄)(OH)	Trig. 3m : P3 1m
8.BB.20	Satterlyite	(Fe²⁺,Mg,Fe)₁₂(PO₄)₅(PO₃OH)(OH,O)₆	Trig. 3m (3 2/m) : P3 1m
8.BB.25	Althausite	Mg₄(PO₄)₂(OH,O)(F,◻)	Orth. mmm (2/m 2/m 2/m) : Pnma
8.BB.30	Adamite	Zn₂(AsO₄)(OH)	Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30	Eveite	Mn²⁺₂(AsO₄)(OH)	Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30	Libethenite	Cu₂(PO₄)(OH)	Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30	Olivenite	Cu₂(AsO₄)(OH)	Mon. 2/m : P2₁/m
8.BB.30	Zincolibethenite	CuZn(PO₄)(OH)	Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30	Zincolivenite	CuZn(AsO₄)(OH)	Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30	Auriacusite	Fe³⁺Cu²⁺(AsO₄)O	Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.35	Paradamite	Zn₂(AsO₄)(OH)	Tric. 1 : P1
8.BB.35	Tarbuttite	Zn₂(PO₄)(OH)	Tric. 1 : P1
8.BB.40	Barbosalite	Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂	Mon. 2/m : P2₁/b
8.BB.40	Hentschelite	CuFe³⁺₂(PO₄)₂(OH)₂	Mon. 2/m : P2₁/m
8.BB.40	Lazulite	MgAl₂(PO₄)₂(OH)₂	Mon. 2/m : P2₁/b
8.BB.40	Scorzalite	Fe²⁺Al₂(PO₄)₂(OH)₂	Mon. 2/m : P2₁/b
8.BB.40	Wilhelmkleinite	ZnFe³⁺₂(AsO₄)₂(OH)₂	Mon. 2/m : P2₁/m
8.BB.45	Trolleite	Al₄(PO₄)₃(OH)₃	Mon. 2/m : B2/b
8.BB.45	Yaroshevskite	Cu₉O₂(VO₄)₄Cl₂	Tric. 1 : P1
8.BB.45	Dokuchaevite	Cu₈O₂(VO₄)₃Cl₃	Tric. 1 : P1
8.BB.50	Namibite	Cu(BiO)₂(VO₄)(OH)	Tric. 1 : P1
8.BB.50	Aleutite	[Cu₅O₂](AsO₄)(VO₄) · (Cu,K,Pb,Rb,Cs,)Cl	Mon. 2/m : B2/m
8.BB.52a	Ericlaxmanite	Cu₄O(AsO₄)₂	Tric. 1 : P1
8.BB.52b	Kozyrevskite	Cu₄O(AsO₄)₂	Orth. mmm (2/m 2/m 2/m) : Pnma
8.BB.55	Phosphoellenbergerite	(Mg,◻)₂Mg₁₂(PO₄,PO₃OH)₆(PO₃OH,CO₃)₂(OH)₆	Hex. 6mm : P6₃mc
8.BB.55	Popovite	Cu₅O₂(AsO₄)₂	Tric. 1 : P1
8.BB.60	Urusovite	CuAl(AsO₄)O	Mon. 2/m : P2₁/b
8.BB.65	Theoparacelsite	Cu₃(As₂O₇)(OH)₂	Orth. mmm (2/m 2/m 2/m) : Pmma
8.BB.70	Turanite	Cu₅(VO₄)₂(OH)₄	Tric. 1 : P1
8.BB.75	Stoiberite	Cu₅(VO₄)₂O₂	Mon. 2/m
8.BB.80	Fingerite	Cu₁₁(VO₄)₆O₂	Tric. 1 : P1
8.BB.85	Averievite	Cu₆(VO₄)₂O₂Cl₂	Trig. 3 : P3
8.BB.90	Lipscombite	Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂	Tet. 4 2 2 : P4₁ 2₁ 2
8.BB.90	Richellite	CaFe³⁺₂(PO₄)₂(OH,F)₂	Amor.
8.BB.90	Zinclipscombite	ZnFe³⁺₂(PO₄)₂(OH)₂	Tet. 4 2 2 : P4₃ 2₁ 2

Fluorescence of JoosteiteHide

In UV light:

no fluorescence

Other InformationHide

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for JoosteiteHide

mindat.org URL:

https://www.mindat.org/min-27436.html
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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for JoosteiteHide

Reference List:

(2023) Joosteite. Handbook of Mineralogy. Mineralogical Society of America

Localities for JoosteiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Namibia (TL)
Erongo Region Karibib Constituency Okongava Ost Farm 72 ⓘ Helikon II pegmatite (TL)	Keller et al. (2007)

Poland
Lower Silesian Voivodeship Dzierżoniów County Piława Górna DSS Piława Górna Quarry ⓘ Julianna pegmatite ?	Pieczka et al. (2015)