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Flurlite

A valid IMA mineral species
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05673880017272472505989.jpg
Flurlite, etc.

Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
08427460017757664522523.jpg
Flurlite

Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
05593380017272472519457.jpg
Flurlite, etc.

Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
05673880017272472505989.jpg
Flurlite, etc.

Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
04015060017757153291881.jpg
Flurlite

Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
02434890017272000792396.jpg
Flurlite, etc.

Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
05673880017272472505989.jpg
Flurlite, etc.

Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
08427460017757664522523.jpg
Flurlite

Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
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About FlurliteHide

04957720017272472529650.jpg
Mathias von Flurl
Formula:
Zn3Mn2+Fe3+(PO4)3(OH)2 · 9H2O
Colour:
Bright orange red to dark maroon red
Specific Gravity:
2.89
Crystal System:
Monoclinic
Name:
Named by I.E. Grey, E. Keck, W.G. Mumme, A. Pring and C.M. MacRae in 2014 in honor of Mathias von Flurl (5 February 1756, Straubing, Bavaria - 27 July 1823, Kissingen, Bavaria), the founder of mineralogical and geological studies in Bavaria. He created the first geological map of Bavaria.
Related to schoonerite.
A re-evaluation of the site occupancies in flurlite, using BVS calculations, resulted in a change in the dominant cation in the M1 site from Mn2+ to Zn. Consequently, the end-member formula for flurlite becomes [5]Zn[6]Zn3[6]Fe3+(PO4)3(OH)2(H2O)7·2H2O (CNMNC Newsletter No. 42).


Unique IdentifiersHide

Mindat ID:
46498
Long-form identifier:
mindat:1:1:46498:5

IMA Classification of FlurliteHide

IMA status:
Approved
IMA status notes:
Redefined by the IMA
IMA Formula:
Zn2+Zn2+3Fe3+(PO4)3(OH)2(H2O)7·2H2O
Approval year:
2014
First published:
2015
Approval history:
2014: Approved by IMA as a new species (IMA 2014-064) with the formula Zn3Mn2+Fe3+(PO4)3(OH)2·9H2O.
2017: Revised end-member formula for flurlite (Proposal 17-I),[5]Zn[6]3[6]Fe3+(PO4)3(OH)2(H2O)7·2H2O.
Type description reference:
Grey, I. E., Keck, E., Mumme, W. G., Pring, A., Macrae, C. M., Gable, R. W., Price, J. R. (2015) Flurlite, Zn3Mn2+Fe3+(PO4)3(OH)2·9H2O, a new mineral from the Hagendorf Süd pegmatite, Bavaria, with a schoonerite-related structure. Mineralogical Magazine, 79 (5) 1175-1184 doi:10.1180/minmag.2015.079.5.11

Classification of FlurliteHide

Strunz-mindat (2026):
8.DB.40

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
B : With only medium-sized cations, (OH, etc.):RO4< 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.

SymbolSourceReference for Standard
FluIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of FlurliteHide

Transparency:
Translucent
Colour:
Bright orange red to dark maroon red
Streak:
Buff
Comment:
Hardness not described.
Tenacity:
Brittle
Cleavage:
Perfect
Parallel to (001).
Fracture:
Irregular/Uneven
Density:
2.89 g/cm3 (Measured)    2.84 g/cm3 (Calculated)

Optical Data of FlurliteHide

Type:
Biaxial (-)
RI values:
nα = 1.60(1) nβ = 1.65(1) nγ = 1.68(1)
2V:
Calculated: 74°
Max. Birefringence:
δ = 0.080
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.

Surface Relief:
High (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).

This shows the grain boundary and Becke line effect under plane-polarised light, based on the contrast between this mineral's average refractive index and the mounting medium. It does not take into account mineral colouration.
In focus
Interference Figure:
This shows the idealized biaxial acute bisectrix (Bxa) interference figure - the conoscopic view for a grain cut perpendicular to the acute bisectrix, using this mineral's 2V. The two small white dots mark the melatopes - the points where the two optic axes emerge - and are shown only when they fall within the field of view. The coloured bands are isochromatics, and the dark bands are isogyres.

Rotate the stage: at 0°/90° the isogyres form a cross through the melatopes; at 45° they pull apart into curved hyperbolas. That splitting on rotation - absent in a uniaxial figure - is the standard diagnostic test for telling biaxial minerals from uniaxial ones. If 2V is large, the melatopes may fall outside the field of view, as they often do at the microscope too.
Dispersion:
Weak
Optical Extinction:
Parallel. X ≈ c, Y ≈ a, Z ≈ b.
Pleochroism:
Weak
Comments:
With colours: X = pale yellow, Y = pale orange, Z = orange brown

Chemistry of FlurliteHide

Mindat Formula:
Zn3Mn2+Fe3+(PO4)3(OH)2 · 9H2O
Element Weights:
Element% weight
O46.699 %
Zn24.891 %
P11.792 %
Fe7.087 %
Mn6.972 %
H2.558 %

Calculated from ideal end-member formula.
O
Zn
P
Fe
Mn
H
Elements listed:
Fe, H, Mn, O, P, Zn - search for minerals with similar chemistry

Crystallography of FlurliteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 6.3894(8) Å, b = 11.037(1) Å, c = 13.063(2) Å
β = 99.37(2)°
Ratio:
a:b:c = 0.579 : 1 : 1.184
Unit Cell V:
908.91 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Platelets forming twisted accordion-like aggregates.

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites

Type Occurrence of FlurliteHide

Type Locality:
ⓘ Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany
General Appearance of Type Material:
As ultrathin (<1 μm) translucent platelets that form characteristic twisted accordion-like aggregates, on mitridatite.
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of Museum Victoria, Melbourne, Victoria, Australia, registration number M53238.
Geological Setting of Type Material:
Zoned granitic phosphate pegmatite.
Associated Minerals at Type Locality:
BerauniteMitridatiteParascholzitePhosphophyllitePlimerite
RobertsiteSchoonerite
Reference:
Grey, I. E., Keck, E., Mumme, W. G., Pring, A., Macrae, C. M., Gable, R. W., Price, J. R. (2015) Flurlite, Zn3Mn2+Fe3+(PO4)3(OH)2·9H2O, a new mineral from the Hagendorf Süd pegmatite, Bavaria, with a schoonerite-related structure. Mineralogical Magazine, 79 (5) 1175-1184 doi:10.1180/minmag.2015.079.5.11

Synonyms of FlurliteHide

Other Language Names for FlurliteHide

Dutch:Flurliet
German:Flurlit

Common AssociatesHide

Associations Based on Photo Data:
3 photos of Flurlite associated with JungiteCa2Zn4Fe3+8(PO4)9(OH)9 · 16H2O
1 photo of Flurlite associated with StewartiteMn2+Fe3+2(PO4)2(OH)2 · 8H2O

Related Minerals - Strunz-mindat GroupingHide

8.DB.ArangasiteAl2F(PO4)(SO4) · 9H2O Mon. 2/m : P2/b
8.DB.HösliteFe3+3(VO4)2(SO4)(OH)(H2O)4 · 3H2OMon. 2/m : P21/b
8.DB.Camaronesite[Fe3+(H2O)2(PO3OH)]2(SO4) · 1-2H2OTrig. 32 : R32
8.DB.05DestineziteFe3+2(PO4)(SO4)(OH) · 6H2OTric. 1 : P1
8.DB.05Pitticite(Fe, AsO4, H2O) (?)Amor.
8.DB.05DiadochiteFe3+2(PO4)(SO4)(OH) · 6H2OAmor.
8.DB.07WilhelmgümbeliteZnFe2+Fe3+3(PO4)3(OH)4(H2O)5 · 2H2OOrth. mmm(2/m2/m2/m)
8.DB.07Schmidite[Zn2(Fe3+,Mn2+)2Fe3+(PO4)3(OH)3(H2O)6] · 2H2OOrth.
8.DB.07WildenaueriteZn(Fe3+,Mn2+)2MnFe3+(PO4)3(OH)3(H2O)6 · 2H2OOrth. mmm(2/m2/m2/m) : Pbam
8.DB.10VashegyiteAl11(PO4)9(OH)6 · 38H2OOrth. mmm(2/m2/m2/m)
8.DB.15SchooneriteZnMn2+Fe2+2Fe3+(PO4)3(OH)2 · 9H2OOrth. mmm(2/m2/m2/m) : Pbam
8.DB.20SinkankasiteMn2+Al(PO3OH)2(OH) · 6H2OTric. 1 : P1
8.DB.25MitryaevaiteAl6(PO4)((P,S)O3(OH,O))2F2(OH)2 · 14.5H2OTric. 1 : P1
8.DB.30SanjuaniteAl2(PO4)(SO4)(OH) · 9H2OTric.
8.DB.35SarmientiteFe3+2(AsO4)(SO4)(OH) · 5H2OMon. 2/m : P21/b
8.DB.40BukovskýiteFe3+2(AsO4)(SO4)(OH) · 9H2OTric. 1 : P1
8.DB.40ManganflurliteZnMn2+3Fe3+(PO4)3(OH)2(H2O)7 · 2H2OMon. 2/m : P21/m
8.DB.42BohuslaviteFe3+4(PO4)3(SO4)(OH) · nH2OTric. 1 : P1
8.DB.45ZýkaiteFe3+4(AsO4)3(SO4)(OH) · 15H2OOrth. 222 : P222
8.DB.47LapeyreiteCu3O[AsO3(OH)]2 · 0.75H2OMon. 2/m : B2/m
8.DB.50RossiantoniteAl3(PO4)(SO4)2(OH)2(H2O)14Tric. 1 : P1
8.DB.50GiniiteFe2+Fe3+4(PO4)3(OH)5 · 2H2OMon. 2/m : P2/b
8.DB.52'Arctowskite'Al9(PO4)8(OH)3 · 27H2OOrth.
8.DB.55Sasaite(Al,Fe3+)14(PO4)11(SO4)(OH)7 · 83H2OOrth.
8.DB.60McauslaniteFe3Al2(PO4)3(PO3OH)F · 18H2OTric.
8.DB.65GoldquarryiteCuCd2Al3(PO4)4F2(H2O,F)2 · 10H2OTric. 1 : P1
8.DB.70BirchiteCd2Cu2(PO4)2(SO4) · 5H2OOrth. mmm(2/m2/m2/m) : Pnma
8.DB.75BraithwaiteiteNaCu5(Ti4+Sb5+)(AsO4)4(HAsO4)2O2 · 8H2OTric. 1 : P1

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 FlurliteHide

References for FlurliteHide

Localities for FlurliteHide

Showing 1 localities.

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.
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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.
Germany (TL)
 
  • Bavaria
    • Upper Palatinate
      • Neustadt an der Waldnaab District
        • Waidhaus
          • Hagendorf
Williams et al. (2015) +1 other reference
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