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Phosphoellenbergerite

A valid IMA mineral species

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Photos of Phosphoellenbergerite (19)

Phosphoellenbergerite Gallery Search Photos of Phosphoellenbergerite

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Phosphoellenbergerite, etc.

Case Parigi, Martiniana Po, Cuneo Province, Piedmont, Italy

Phosphoellenbergerite

Dora-Maira coesite-bearing unit, Cuneo Province, Piedmont, Italy

Phosphoellenbergerite

Dora-Maira coesite-bearing unit, Cuneo Province, Piedmont, Italy

Phosphoellenbergerite, etc.

Case Parigi, Martiniana Po, Cuneo Province, Piedmont, Italy

Phosphoellenbergerite

Dora-Maira coesite-bearing unit, Cuneo Province, Piedmont, Italy

Phosphoellenbergerite

Dora-Maira coesite-bearing unit, Cuneo Province, Piedmont, Italy

Phosphoellenbergerite, etc.

Case Parigi, Martiniana Po, Cuneo Province, Piedmont, Italy

Phosphoellenbergerite

Dora-Maira coesite-bearing unit, Cuneo Province, Piedmont, Italy

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About PhosphoellenbergeriteHide

François T. V. Ellenberger

Formula:

(Mg,◻)₂Mg₁₂(PO₄,PO₃OH)₆(PO₃OH,CO₃)₂(OH)₆

Colour:

Azure blue

Lustre:

Vitreous

Hardness:

6½

Specific Gravity:

3.0

Crystal System:

Hexagonal

Name:

Named as the phosphate analogue of ellenbergerite. The root name is for François Théodore Victor Ellenberger (5 May 1915, Lealui, Northern Rhodesia (now Zambia) - 11 January 2000, Bures-sur-Yvette, France), Professor of Structural Geology, University of the Sorbonne, Paris. In 1976 he created the French Committee of History of Geology (COFRHIGEO) and published 'Histoire de la Géologie' in two volumes (1988 and 1994).

Type Locality:

ⓘ Dora-Maira coesite-bearing unit, Cuneo Province, Piedmont, Italy

Closely related to ellenbergerite. Compare 'ellenbergerite-(PO4)', a supposed separate species.

Unique IdentifiersHide

Mindat ID:

7232

Long-form identifier:

mindat:1:1:7232:4

GUID
(UUID V4):

72c4f2b3-2cea-4f7f-808d-38e8e5a30a2a

IMA Classification of PhosphoellenbergeriteHide

IMA status:

Approved

Approval year:

1994

First published:

1998

Type description reference:

Raade, G., Romming, C., Medenbach, O. (1998) Carbonate-substituted phosphoellenbergerite from Modum, Norway: description and crystal structure. Mineralogy and Petrology, 62 (1) 89-101 doi:10.1007/bf01173764

Classification of PhosphoellenbergeriteHide

Strunz-mindat (2024):

8.BB.55

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

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

Physical Properties of PhosphoellenbergeriteHide

Lustre:

Vitreous

Transparency:

Transparent, Translucent

Colour:

Azure blue

Streak:

White

Hardness:

6½ on Mohs scale

Cleavage:

None Observed

Density:

3.0 g/cm³ (Measured) 2.93 g/cm³ (Calculated)

Optical Data of PhosphoellenbergeriteHide

Type:

Uniaxial (-)

RI values:

n_ω = 1.606 - 1.609 n_ε = 1.588 - 1.589

Max Birefringence:

δ = 0.018 - 0.020

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Moderate

Pleochroism:

Visible

Comments:

E = blue, O = colorless.

Chemistry of PhosphoellenbergeriteHide

Mindat Formula:

(Mg,◻)₂Mg₁₂(PO₄,PO₃OH)₆(PO₃OH,CO₃)₂(OH)₆

Elements listed:

C, H, Mg, O, P - search for minerals with similar chemistry

Crystallography of PhosphoellenbergeriteHide

Crystal System:

Hexagonal

Class (H-M):

6mm - Dihexagonal Pyramidal

Space Group:

P6₃mc

Cell Parameters:

a = 12.467(2) Å, c = 5.0437(4) Å

Ratio:

a:c = 1 : 0.405

Unit Cell V:

678.90 Å³ (Calculated from Unit Cell)

Twinning:

None

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)
0014640	Phosphoellenbergerite	Raade G, Romming C, Medenbach O (1998) Carbonate-substituted phosphoellenbergerite from Modum, Norway: description and crystal structure Mineralogy and Petrology 62 89-101		1998		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Phosphoellenbergerite'
loop_
_publ_author_name
'Raade G'
'Romming C'
'Medenbach O'
_journal_name_full 'Mineralogy and Petrology'
_journal_volume 62 
_journal_year 1998
_journal_page_first 89
_journal_page_last 101
_publ_section_title
;
 Carbonate-substituted phosphoellenbergerite from Modum, Norway: description and
 crystal structure
;
_database_code_amcsd 0014640
_chemical_formula_sum 'Mg6.68 P3.32 As.3 C.38 O18.62 H6.92'
_cell_length_a 12.467
_cell_length_b 12.467
_cell_length_c 5.0437
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 678.897
_exptl_crystal_density_diffrn      2.921
_symmetry_space_group_name_H-M 'P 63 m c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-x+y,1/2+z'
  'x-y,x,1/2+z'
  '-y,-x,z'
  '-y,x-y,z'
  'x-y,-y,1/2+z'
  '-x,-y,1/2+z'
  'x,x-y,z'
  '-x+y,-x,z'
  'y,x,1/2+z'
  'y,-x+y,1/2+z'
  '-x+y,y,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
Mg1   0.42433   0.07821   0.21000   1.00000   0.01000
Mg21   0.00000   0.00000   0.45330   0.62000   0.01500
Mg22   0.00000   0.00000   0.34030   0.06000   0.01500
P1   0.30330   0.15160   0.69110   0.80000   0.01000
As1   0.30330   0.15160   0.69110   0.10000   0.01000
P11   0.32600   0.16300   0.69700   0.10000   0.01100
P2   0.66667   0.33333   0.99340   0.62000   0.00800
C2   0.66667   0.33333   0.11800   0.38000   0.01100
O1   0.37870   0.18940   0.42150   1.00000   0.01600
O2   0.16350   0.08180   0.64930   0.90000   0.02700
O-H2   0.16350   0.08180   0.64930   0.10000   0.02700
O3   0.34740   0.07380   0.85210   1.00000   0.01400
O4   0.79420   0.39710   0.09650   1.00000   0.02000
O-H5   0.66667   0.33333   0.68300   0.62000   0.02900
O6   0.95380   0.47690   0.51540   1.00000   0.01000
H6   0.90300   0.45100   0.60300   1.00000   0.02000
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
Mg1 0.01030 0.01000 0.00920 0.00460 0.00040 0.00070
Mg21 0.01020 0.01020 0.02450 0.00510 0.00000 0.00000
Mg22 0.00710 0.00710 0.02950 0.00360 0.00000 0.00000
P1 0.01390 0.00830 0.00640 0.00690 -0.00040 -0.00020
As1 0.01390 0.00830 0.00640 0.00690 -0.00040 -0.00020
P2 0.00620 0.00620 0.01220 0.00310 0.00000 0.00000
O1 0.02900 0.01400 0.01000 0.01400 0.00600 0.00300
O2 0.02800 0.02400 0.02200 0.01400 -0.00600 -0.00300
O-H2 0.02800 0.02400 0.02200 0.01400 -0.00600 -0.00300
O3 0.01920 0.01230 0.01000 0.01040 -0.00090 0.00020
O4 0.01370 0.01220 0.02870 0.00690 -0.00630 -0.00310
O-H5 0.03700 0.03700 0.01400 0.01800 0.00000 0.00000
O6 0.00980 0.01140 0.01040 0.00490 0.00190 0.00090

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.685 Å	(100)
3.170 Å	(95)
2.702 Å	(80)
2.381 Å	(70)
2.221 Å	(80)
1.555 Å	(80)
1.426 Å	(80)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 7: Great Oxidation Event	<2.4
47a : [Near-surface hydration of prior minerals]
47c : [Carbonates, phosphates, borates, nitrates]

Type Occurrence of PhosphoellenbergeriteHide

Type Locality:

ⓘ Dora-Maira coesite-bearing unit, Cuneo Province, Piedmont, Italy

General Appearance of Type Material:

Blue, anhedral inclusions, up to 0.5 mm long, in heneuite.

Geological Setting of Type Material:

In lenses of Precambrian serpentine-magnesite rocks of the Tingelstadtjern deposit, Modum terrane, southern Norway.

Associated Minerals at Type Locality:

Holtedahlite

Heneuite

Althausite

Reference:

Raade, G., Rømming, C. and Medenbach, O. (1998) Carbonate-substituted phosphoellenbergerite from Modum, Norway: description and crystal structure. Mineralogy and Petrology: 62: 89-101.

Synonyms of PhosphoellenbergeriteHide

IMA1994-006

Other Language Names for PhosphoellenbergeriteHide

German:Phosphoellenbergerit

Italian:Fosfoellenbergerite

Common AssociatesHide

Associated Minerals Based on Photo Data:

5 photos of Phosphoellenbergerite associated with Althausite	Mg₄(PO₄)₂(OH,O)(F,◻)
4 photos of Phosphoellenbergerite associated with Pyrope	Mg₃Al₂(SiO₄)₃
3 photos of Phosphoellenbergerite associated with Heneuite	CaMg₅(CO₃)(PO₄)₃(OH)
3 photos of Phosphoellenbergerite associated with Raadeite	Mg₇(PO₄)₂(OH)₈
3 photos of Phosphoellenbergerite associated with Chlorapatite	Ca₅(PO₄)₃Cl
2 photos of Phosphoellenbergerite associated with Magnesiostaurolite	Mg(Mg,Li)₃(Al,Mg)₁₈Si₈O₄₄(OH)₄
2 photos of Phosphoellenbergerite associated with Goethite	α-Fe³⁺O(OH)
1 photo of Phosphoellenbergerite associated with Coesite	SiO₂

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	Joosteite	Mn²⁺(Mn³⁺,Fe³⁺)(PO₄)O	Mon. 2/m
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	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

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 PhosphoellenbergeriteHide

mindat.org URL:

https://www.mindat.org/min-7232.html
Please feel free to link to this page.

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External Links:

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Look for Phosphoellenbergerite on Mineralien Atlas

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 PhosphoellenbergeriteHide

Reference List:

Contributions to Mineralogy and Petrology: 92: 316-321.

Chopin, C. (1984) Coesite and pure pyrope in high-grade blueschists of the western Alps: a first record and some consequences. Contributions to Mineralogy and Petrology: 86: 106-118.

Brunet, F., Chopin, C., and Seifert, F. (1998) Phase relations in the MgO–P2O5–H2O system and the stability of phosphoellenbergerite: petrological implications. Contributions to Mineralogy and Petrology: 131: 54–70.

Jambor, J.L., Pertsev, N.N., and Roberts, A.C. (1999) New mineral names. American Mineralogist: 84: 1195-1198.

Simon G, Chopin C (2001) Enstatite–sapphirine crack-related assemblages in ultrahigh-pressure pyrope megablasts, Dora-Maira massif, western Alps. Contributions to Mineralogy and Petrology: 140: 422-440.

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

Localities for PhosphoellenbergeriteHide

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.


Italy
Piedmont Cuneo Province Brossasco Gilba Valley ⓘ Masueria	Piccoli et al. (2007)
ⓘ Dora-Maira coesite-bearing unit (TL)	Brunet et al. (1998) +1 other reference
Martiniana Po ⓘ Case Parigi	Knut Eldjarn
Venasca ⓘ Pratoluogo	Piccoli et al. (2007)

Norway
Buskerud Modum Overntjern ⓘ Overntjern Quarry	Knut Eldjarn +1 other reference
ⓘ Tingelstadtjern Quarry	Raade et al. (1998) +1 other reference

Phosphoellenbergerite

About PhosphoellenbergeriteHide

Unique IdentifiersHide

IMA Classification of PhosphoellenbergeriteHide

Classification of PhosphoellenbergeriteHide

Mineral SymbolsHide

Physical Properties of PhosphoellenbergeriteHide

Optical Data of PhosphoellenbergeriteHide

Chemistry of PhosphoellenbergeriteHide

Crystallography of PhosphoellenbergeriteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of PhosphoellenbergeriteHide

Synonyms of PhosphoellenbergeriteHide

Other Language Names for PhosphoellenbergeriteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for PhosphoellenbergeriteHide

References for PhosphoellenbergeriteHide

Localities for PhosphoellenbergeriteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide