Wagnerite Mineral Data

General Wagnerite Information

Chemical Formula:

(Mg,Fe++)2(PO4)F

Composition:

Molecular Weight = 162.71 gm

Magnesium 26.89 % Mg 44.59 % MgO

Iron 3.43 % Fe 4.42 % FeO

Phosphorus 19.04 % P 43.62 % P₂O₅

Hydrogen 0.19 % H 1.66 % H₂O

Oxygen 42.28 % O

Fluorine 8.17 % F 8.17 % F

- % F -3.44 % -O=F₂

______ ______

100.00 % 99.02 % = TOTAL OXIDE

Empirical Formula:

Mg_1.8Fe²⁺_0.1(PO₄)F_0.7(OH)_0.3

Environment:

Metamorphic rocks of moderate to high grade. Occurs as the Ma2bc, Ma5bc, Ma7bc and Ma9bc polytypes. See IMA 2003-03-C

IMA Status:

Valid Species (Pre-IMA) 1821

Locality:

Hï¿½llengraben, Werfen, Salzburg, Austria. Link to MinDat.org Location Data.

Name Origin:

Named for F. M. von Wagner (1768-1851), mining official in Munich, Germany.

Name Pronunciation:

Wagnerite + Pronunciation

Synonym:

ICSD 26970

Magniotriplite

PDF 42-1330

Wagnerite Image

Images:

Wagnerite

Comments: Crudely formed opaque wagnerite crystal in pegmatite.
Location: Hollengraben, Salzberg, Austria. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wagnerite Crystallography

Axial Ratios:

a:b:c =0.7606:1:0.943

Cell Dimensions:

a = 9.644, b = 12.679, c = 11.957, Z = 16; beta = 108.3° V = 1,388.11 Den(Calc)= 3.11

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2₁/a

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.985(1), 3.297(0.65), 3.123(0.63),2.854(0.59), 2.758(0.25), 2.71(0.22), 1.584(0.15),

Forms:

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Forms: ( 1 2 2) ( 0 1 0) ( 0 2 1) ( 1 2 0) ( 1 0 1)

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Physical Properties of Wagnerite

Cleavage:

{100} Imperfect, {120} Imperfect, {001} Poor

Color:

Greenish, Gray white, Grayish, Yellow, Reddish brown.

Density:

3.07 - 3.14, Average = 3.1

Diaphaneity:

Translucent

Fracture:

Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende).

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Habit:

Striated - Parallel lines on crystal surface or cleavage face.

Hardness:

5-5.5 - Apatite-Knife Blade

Luminescence:

Non-fluorescent.

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Wagnerite

Gladstone-Dale:

CI meas= -0.005 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.003 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1874,KPDmeas= 0.1877,KC= 0.1868
Ncalc = 1.57 - 1.59

Optical Data:

Biaxial (+), a=1.568-1.588, b=1.572-1.589, g=1.582-1.598, bire=0.0100-0.0140, 2V(Calc)=38-66, 2V(Meas)=25-35. Dispersion r < v weak.

Calculated Properties of Wagnerite

Electron Density:

Bulk Density (Electron Density)=3.07 gm/cc
note: Specific Gravity of Wagnerite =3.11 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Wagnerite= 2.57 barns/electron
U=PE_Wagnerite x rElectron Density= 7.88 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Wagnerite is Not Radioactive

Wagnerite Classification

Dana Class:

41.06.02.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen

(41.06)where (A)2 (XO4) Zq

(41.06.02)Wagnerite Group

41.06.02.01 Wagnerite (Mg,Fe)2(PO4)F P 2₁/a 2/m

41.06.02.02 Hydroxylwagnerite! Mg2(PO4)(OH) P 2₁/c 2/m

Strunz Class:

08.BB.15 08 - PHOSPHATES, ARSENATES, VANADATES

08.B - Phosphates, etc. with Additional Anions, without H2O

08.BB -With only medium-sized cations, (OH, etc.):RO4 ï¿½ 1:1

08.BB.15 Sarkinite Mn2(AsO4)(OH) P 2₁/a 2/m

08.BB.15 Stanekite! Fe(Mn,Fe,Mg)(PO4)O P 2₁/a 2/m

08.BB.15 Triploidite (Mn,Fe)2(PO4)(OH) P 2₁/a 2/m

08.BB.15 Wagnerite (Mg,Fe)2(PO4)F P 2₁/a 2/m

08.BB.15 Wolfeite (Fe,Mn)2(PO4)(OH) P 2₁/a 2/m

08.BB.15 Joosteite! (Mn,Mn,Fe)2(PO4)O I2/a 2/m

Other Wagnerite Information

References:

NAME( AntBidBlaNic4) PHYS. PROP.(AntBidBlaNic4, CanMin, v 41, p 392) OPTIC PROP.(AntBidBlaNic4)

See Also:

Links to other databases for Wagnerite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - Scandinavian mineral gallery
18 - WWW-MINCRYST

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Print or Cut-and-Paste your Wagnerite Specimen Label here :

Wagnerite

(Mg,Fe++)2(PO4)F
Dana No: 41.06.02.01 Strunz No: 08.BB.15
Locality:

Notes:

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