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Fleischerite

A valid IMA mineral species
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06967550014977193316103.jpg
Fleischerite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
02965190014957214836284.jpg
Fleischerite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
03433240014977149129530.jpg
Fleischerite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
06020470014949086554864.jpg
Fleischerite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
08525950014949086555588.jpg
Fleischerite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
07476170014949086554440.jpg
Fleischerite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
06110320014962343252438.jpg
Fleischerite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
02965190014957214836284.jpg
Fleischerite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
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About FleischeriteHide

06163830014946603768681.jpg
Mike Fleischer
Formula:
Pb3Ge(SO4)2(OH)6 · 3H2O
Colour:
White, slightly pale rose red
Lustre:
Sub-Vitreous, Silky
Hardness:
2½ - 3
Crystal System:
Hexagonal
Name:
Named in 1960 by Clifford Frondel and Hugo Strunz in honor of Michael Fleischer [February 27, 1908 Bridgeport, Connecticut, USA- September 5, 1998 Chevy Chase, Montgomery County, Maryland, USA]. "Mike" was a mineral chemist for the United States Geological Survey, Reston, Virginia and a long-term editor of "New Mineral Names" for the American Mineralogist. He was co-founder of the International Mineralogical Association.
Fleischerite Group. The Pb analogue of schaurteite. Also the Pb-Ge analogue of genplesite.

Note: most "fleischerite" from Tsumeb is in fact dundasite (see http://www.mindat.org/mesg-7-50534.html).


Unique IdentifiersHide

Mindat ID:
1556
Long-form identifier:
mindat:1:1:1556:7
GUID
(UUID V4):
605c9db4-172c-4ccc-a364-6e7ec7bbc35a

IMA Classification of FleischeriteHide

Classification of FleischeriteHide

Strunz-mindat (2024):
7.DF.25

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
F : With large and medium-sized cations
Dana 8th ed.:
31.7.6.3

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
Hey's CIM Ref.:
25.7.11

25 : Sulphates
7 : Sulphates of Pb

Mineral SymbolsHide

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

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
FshIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
FlcThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of FleischeriteHide

Lustre:
Sub-Vitreous, Silky
Transparency:
Transparent
Colour:
White, slightly pale rose red
Streak:
White
Hardness:
2½ - 3 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed

Optical Data of FleischeriteHide

Type:
Uniaxial (+)
RI values:
nω = 1.747 nε = 1.776
Birefringence:
0.029
Max Birefringence:
δ = 0.029
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Optical Extinction:
Parallel
Pleochroism:
Non-pleochroic

Chemistry of FleischeriteHide

Mindat Formula:
Pb3Ge(SO4)2(OH)6 · 3H2O
Elements listed:
Ge, H, O, Pb, S - search for minerals with similar chemistry

Crystallography of FleischeriteHide

Crystal System:
Hexagonal
Class (H-M):
6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:
P63/mmc
Setting:
P63/mmc
Cell Parameters:
a = 8.86 Å, c = 10.87 Å
Ratio:
a:c = 1 : 1.227
Unit Cell V:
738.97 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Acicular

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0014702FleischeriteOtto H H (1975) Die kristallstruktur von fleischerite, Pb3Ge[(OH)6|(SO4)2]*3H2O sowie kristallchemische untersuchungen an isotypen verbindungen Neues Jahrbuch fur Mineralogie, Abhandlungen 123 160-1901975synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.681 Å(50)
6.281 Å(40)
5.438 Å(30)
3.619 Å(100)
3.437 Å(60)
3.138 Å(40)
2.800 Å(50)
2.635 Å(80)
2.214 Å(60)
1.889 Å(60)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47b : [Sulfates and sulfites]

Type Occurrence of FleischeriteHide

Type Locality:
ⓘ Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia
Place of Conservation of Type Material:
National School of Mines, Paris, France.
Technical University, Berlin, Germany, 57/1405.
Harvard University, Cambridge, Massachusetts, USA, 111461.
National Museum of Natural History (Smithsonian), Washington, D.C., USA, 115310, 162620.
Geological Setting of Type Material:
Oxidation zone of a germanium-bearing Cu, and As-rich polymetallic ore deposit
Associated Minerals at Type Locality:
Tennantite SubgroupPlumbojarositeMimetiteItoiteDolomite
Cerussite
Reference:
Frondel, C., Strunz, H. (1960) Fleischerit und Itoite, zwei neue Germanium-Neues Jahrbuch für Mineralogie, Monatshefte: 1960: 132-142.

Synonyms of FleischeriteHide

Other Language Names for FleischeriteHide

Relationship of Fleischerite to other SpeciesHide

Member of:
Fleischerite Group
Other Members of this group:
DespujolsiteCa3Mn4+(SO4)2(OH)6 · 3H2OHex. 6 m2 : P62c
GenplesiteCa3Sn(SO4)2(OH)6 · 3H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
MallestigitePb3Sb5+(SO4)(AsO4)(OH)6 · 3H2OHex. 6 : P63
SchaurteiteCa3Ge(SO4)2(OH)6 · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
Unnamed (Ba-Sb Silicate-Sulphate-Hydroxide-Hydrate)Ba3Sb5+[(Si,S)O3(OH)]2(OH,O)6 · 3H2O Trig. 3 : P3

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Fleischerite associated with ItoitePb3Ge4+(SO4)2O2(OH)2
2 photos of Fleischerite associated with StottiteFe2+[Ge4+(OH)6]
1 photo of Fleischerite associated with PlumbojarositePb0.5Fe3+3(SO4)2(OH)6

Related Minerals - Strunz-mindat GroupingHide

7.DF.Aldridgeite(Cd,Ca)(Cu,Zn)4(SO4)2(OH)6 · 3H2O Mon. 2/m : B2/b
7.DF.ChromschieffelinitePb10Te6+6O20(OH)14(CrO4)(H2O)5Orth. 2 2 2 : C2 2 21
7.DF.AlcaparrosaiteK3Ti4+Fe3+(SO4)4O(H2O)2Mon. 2/m : B2/b
7.DF.BairditePb2Cu2+4Te6+2O10(OH)2(SO4) · H2OMon. 2/m : P21/b
7.DF.Carlsonite(NH4)5Fe3+3O(SO4)6 · 7H2OTric. 1 : P1
7.DF.Ammoniomathesiusite(NH4)5(UO2)4(SO4)4(VO5) · 4H2OTet. 4/m : P4/n
7.DF.ErssoniteMg7Fe3+2(OH)18[Ca(H2O)6](SO4)2 · 12H2OTrig. 3m (3 2/m) : P3c1
7.DF.FlaggitePb4Cu2+4Te6+2(SO4)2O11(OH)2(H2O)Tric. 1 : P1
7.DF.PoellmanniteCa6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig. 3 : R3
7.DF.Haywoodite[Pb(H2O)10][Zn12(OH)20(H2O)(SO4)3]Tric. 1 : P1
7.DF.Cherokeeite[Pb2Zn(OH)4](SO4) · H2OMon. 2/m
7.DF.Cuprocherokeeite[Pb8Zn3Cu2+(OH)16](SO4)4 · 4H2OMon. 2/m
7.DF.TzeferisiteCaZn8(SO4)2(OH)12Cl2(H2O)9Trig. 3m (3 2/m) : R3c
7.DF.05UklonskoviteNaMg(SO4)F · 2H2OMon. 2/m : P21/m
7.DF.10KainiteKMg(SO4)Cl · 3H2OMon. 2/m : B2/m
7.DF.10KaliochalciteKCu2(SO4)2[(OH)(H2O)]Mon. 2/m : B2/m
7.DF.15NatrochalciteNaCu2(SO4)2(OH) · 2H2OMon. 2/m : B2/m
7.DF.17Unnamed (Ba-Sb Silicate-Sulphate-Hydroxide-Hydrate)Ba3Sb5+[(Si,S)O3(OH)]2(OH,O)6 · 3H2O Trig. 3 : P3
7.DF.17GenplesiteCa3Sn(SO4)2(OH)6 · 3H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
7.DF.20MetasideronatriteNa2Fe(SO4)2(OH) · H2OOrth. mmm (2/m 2/m 2/m)
7.DF.20SideronatriteNa2Fe(SO4)2(OH) · 3H2OOrth. 2 2 2 : P21 21 21
7.DF.25DespujolsiteCa3Mn4+(SO4)2(OH)6 · 3H2OHex. 6 m2 : P62c
7.DF.25SchaurteiteCa3Ge(SO4)2(OH)6 · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
7.DF.25MallestigitePb3Sb5+(SO4)(AsO4)(OH)6 · 3H2OHex. 6 : P63
7.DF.30Slavíkite(H3O+)3Mg6Fe15(SO4)21(OH)18 · 98H2OTrig. 3 : R3
7.DF.35MetavoltineK2Na6Fe2+Fe3+6O2(SO4)12 · 18H2OTrig.
7.DF.40LannoniteMg2Ca4Al4(SO4)8F8 · 24H2O Tet. 4/m : I4/m
7.DF.40VlodavetsiteAlCa2(SO4)2F2Cl · 4H2OTet. 4/m : I4/m
7.DF.45PeretaiteCa(SbO)4(SO4)2(OH)2 · 2H2OMon. 2/m : B2/b
7.DF.50GordaiteNaZn4(SO4)(OH)6Cl · 6H2OTrig. 3 : P3
7.DF.50CalamaiteNa2TiO(SO4)2 · 2H2O Orth. mmm (2/m 2/m 2/m) : Ibam
7.DF.52ScordariiteK8(Fe3+0.67◻0.33)[Fe3+3O(SO4)6]2 · 14H2OTrig. 3 : R3
7.DF.52Huizingite-(Al)[(NH4)9(SO4)2][(Al,Fe3+)3(OH)2(H2O)4(SO4)6]Tric. 1 : P1
7.DF.55Clairite(NH4)2Fe3(SO4)4(OH)3 · 3H2OTric.
7.DF.55GiacovazzoiteK5Fe3+3O(SO4)6 · 10H2OMon. 2/m : P21/b
7.DF.57MagnanelliiteK3Fe3+2(SO4)4(OH)(H2O)2Mon. 2/m : B2/b
7.DF.60ArzruniteCu4Pb2(SO4)(OH)4Cl6 · 2H2O (?)Orth.
7.DF.60EvdokimoviteTl4(VO)3(SO4)5(H2O)5Mon. 2/m
7.DF.62Bridgesite-(Ce)CaCe2Cu6(SO4)4(OH)12 · 8H2OMon. 2/m : B2/m
7.DF.65ElyitePb4Cu(SO4)O2(OH)4 · H2OMon. 2/m : P21/b
7.DF.70LautenthalitePbCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DF.70YecoraiteFe3+3Bi5(Te6+O4)2(Te4+O3)O9 · 9H2O
7.DF.75RiomarinaiteBi(SO4)(OH) · H2OMon. 2/m
7.DF.80DukeiteBi3+24Cr6+8O57(OH)6 · 3H2OTrig. 3m : P3 1c

Fluorescence of FleischeriteHide

In UV light:
Not fluorescent in UV

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 FleischeriteHide

References for FleischeriteHide

Localities for FleischeriteHide

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.
Bolivia
 
  • Potosí
    • Tomás Frías Province
Econ Geol (1997) +1 other reference
Namibia (TL)
 
  • Oshikoto Region
    • Tsumeb
Frondel et al. (1957) +1 other reference
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