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Tsumebite

A valid IMA mineral species - grandfathered
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About TsumebiteHide

Formula:
Pb2Cu(PO4)(SO4)(OH)
Colour:
Emerald-green sometimes bluish green; green in transmitted light.
Lustre:
Adamantine, Sub-Adamantine, Vitreous, Sub-Vitreous, Resinous, Waxy
Hardness:
Specific Gravity:
6.13
Crystal System:
Monoclinic
Name:
Named in 1912 by Karl Heinrich Emil Georg Busz for the town of the type locality - Tsumeb, Southwest Africa (now Namibia).
The phosphate analogue of arsentsumebite.

A secondary mineral in polymetallic ore deposits. Chemically verified Tsumeb tsumebite is rare and most unanalyzed specimens so labeled are, most likely, arsentsumebite.


Unique IdentifiersHide

Mindat ID:
4040
Long-form identifier:
mindat:1:1:4040:8
GUID
(UUID V4):
b402d335-6ea1-4854-99ce-8b3313ba15fe

Classification of TsumebiteHide

Approved, 'Grandfathered' (first described prior to 1959)
First published:
1912
8.BG.05

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
G : With medium-sized and large cations, (OH, etc.):RO4 = 0.5:1
43.4.2.1

43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
22.3.15

22 : Phosphates, Arsenates or Vanadates with other Anions
3 : Phosphates, arsenates or vanadates with sulphates

Mineral SymbolsHide

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

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

Pronunciation of TsumebiteHide

Pronunciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom
Debbie WoolfUnited Kingdom

Physical Properties of TsumebiteHide

Adamantine, Sub-Adamantine, Vitreous, Sub-Vitreous, Resinous, Waxy
Transparency:
Transparent, Translucent
Comment:
Luster usually brilliant
Colour:
Emerald-green sometimes bluish green; green in transmitted light.
Streak:
White to faint green
Hardness:
3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
6.13 g/cm3 (Measured)    6.22 g/cm3 (Calculated)

Optical Data of TsumebiteHide

Type:
Biaxial (+)
RI values:
nα = 1.900 nβ = 1.920 nγ = 1.942
2V:
Measured: 90° , Calculated: 90°
Birefringence:
0.042
Max Birefringence:
δ = 0.042
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v extreme
Optical Extinction:
Inclined
Pleochroism:
Weak
Comments:
Faint. X = Y = very pale blue to colorless; Z =
robin’s-egg-blue.
Comments:
Absorption: Z > X.

Chemical Properties of TsumebiteHide

Formula:
Pb2Cu(PO4)(SO4)(OH)

Crystallography of TsumebiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 8.69 Å, b = 5.78 Å, c = 7.86 Å
β = 111.87°
Ratio:
a:b:c = 1.503 : 1 : 1.36
Unit Cell V:
366.38 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Crusts of intergrown crystals.
Twinning:
Ubiquitous, with twin plane {122}, as trillings or more complex groups at times. Often thick tabular on {101} or {110}. {011} and {104} usually in oscillatory combination, producing a zig-zag suture in twins at times. {100} narrow and bright, {110} uneven or composite.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0014449TsumebiteFanfani L, Zanazzi P F (1967) Structural similarities of some secondary lead minerals Mineralogical Magazine 36 522-5291967Tsumeb, South West Africa0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.70 Å(30)
3.92 Å(20)
3.24 Å(100)
2.94 Å(40)
2.90 Å(70)
2.72 Å(40)
2.62 Å(30)
2.27 Å(40)
Comments:
ICDD 29-568

Geological EnvironmentHide

Type Occurrence of TsumebiteHide

General Appearance of Type Material:
Crust
Place of Conservation of Type Material:
Destroyed by bombing.
Geological Setting of Type Material:
Oxidation zone.
Associated Minerals at Type Locality:
Reference:
Busz, V.K. (1912) Tsumebit, ein neues Blei-Kupfer-Phosphat von Otavi, Deutsch Süd-West-Afrika. Deutschen Naturforscher und Årtze in Münster, Versammlung: 84: 182-185.

Synonyms of TsumebiteHide

Other Language Names for TsumebiteHide

German:Tsumebit
Simplified Chinese:绿磷铅铜矿
Spanish:Tsumebita

Relationship of Tsumebite to other SpeciesHide

Other Members of this group:
AldomarinoiteSr2Mn3+(AsO4)2(OH)Mon. 2/m : P21/m
ArsenbrackebuschitePb2Fe3+(AsO4)2(OH)Mon. 2/m : P2/m
ArsentsumebitePb2Cu(AsO4)(SO4)(OH)Mon. 2/m : P21/m
BearthiteCa2Al(PO4)2(OH)Mon. 2/m : P21/m
BrackebuschitePb2Mn3+(VO4)2(OH)Mon. 2/m : P21/m
BushmakinitePb2Al(PO4)(VO4)(OH)Mon. 2/m : P21/m
CalderónitePb2Fe3+(VO4)2(OH)Mon. 2/m : P21/m
CanosioiteBa2Fe3+(AsO4)2(OH)Mon. 2/m : P21/m
FeinglositePb2Zn(AsO4)2 · H2OMon. 2/m
FerribushmakinitePb2Fe3+(PO4)(VO4)(OH)Mon. 2/m : P21/m
GamagariteBa2Fe3+(VO4)2(OH)Mon. 2/m : P21/m
GoedkeniteSr2Al(PO4)2(OH)Mon. 2/m : P21/m
GrandaiteSr2Al(AsO4)2(OH)Mon. 2/m : P21/m
LombardoiteBa2Mn3+(AsO4)2(OH)Mon. 2/m : P21/m
TokyoiteBa2Mn3+(VO4)2(OH)Mon. 2/m : P21/m
Unnamed (possible ordered As-analogue of Tokyoite)Ba2Mn[(As,V)O4]2(OH)Mon. 2/m : P21/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
14 photos of Tsumebite associated with AzuriteCu3(CO3)2(OH)2
12 photos of Tsumebite associated with CorkitePbFe3(PO4)(SO4)(OH)6
8 photos of Tsumebite associated with PyromorphitePb5(PO4)3Cl
7 photos of Tsumebite associated with LibetheniteCu2(PO4)(OH)
7 photos of Tsumebite associated with SmithsoniteZnCO3
7 photos of Tsumebite associated with MalachiteCu2(CO3)(OH)2
5 photos of Tsumebite associated with TsumcoritePbZn2(AsO4)2 · 2H2O
5 photos of Tsumebite associated with MimetitePb5(AsO4)3Cl
3 photos of Tsumebite associated with SepioliteMg4(Si6O15)(OH)2 · 6H2O
2 photos of Tsumebite associated with BrochantiteCu4(SO4)(OH)6

Related Minerals - Strunz-mindat GroupingHide

8.BG.CanosioiteBa2Fe3+(AsO4)2(OH)Mon. 2/m : P21/m
8.BG.AldomarinoiteSr2Mn3+(AsO4)2(OH)Mon. 2/m : P21/m
8.BG.DongchuanitePb4ZnZn2(PO4)4(OH)2Tric. 1 : P1
8.BG.CuprodongchuanitePb4CuZn2(PO4)4(OH)2Tric. 1 : P1
8.BG.05ArsentsumebitePb2Cu(AsO4)(SO4)(OH)Mon. 2/m : P21/m
8.BG.05BearthiteCa2Al(PO4)2(OH)Mon. 2/m : P21/m
8.BG.05BrackebuschitePb2Mn3+(VO4)2(OH)Mon. 2/m : P21/m
8.BG.05GamagariteBa2Fe3+(VO4)2(OH)Mon. 2/m : P21/m
8.BG.05GoedkeniteSr2Al(PO4)2(OH)Mon. 2/m : P21/m
8.BG.05UM1994-19-PO:CuHMoPbPb2Cu(PO4)(MoO4,AsO4,CrO4,GaO4)(OH)
8.BG.05ArsenbrackebuschitePb2Fe3+(AsO4)2(OH)Mon. 2/m : P2/m
8.BG.05FeinglositePb2Zn(AsO4)2 · H2OMon. 2/m
8.BG.05BushmakinitePb2Al(PO4)(VO4)(OH)Mon. 2/m : P21/m
8.BG.05TokyoiteBa2Mn3+(VO4)2(OH)Mon. 2/m : P21/m
8.BG.05CalderónitePb2Fe3+(VO4)2(OH)Mon. 2/m : P21/m
8.BG.05FerribushmakinitePb2Fe3+(PO4)(VO4)(OH)Mon. 2/m : P21/m
8.BG.05LombardoiteBa2Mn3+(AsO4)2(OH)Mon. 2/m : P21/m
8.BG.05Unnamed (possible ordered As-analogue of Tokyoite)Ba2Mn[(As,V)O4]2(OH)Mon. 2/m : P21/m
8.BG.10MélonjosephiteCaFe2+Fe3+(PO4)2(OH)Orth. mmm (2/m 2/m 2/m) : Pbam
8.BG.15TancoiteLiNa2Al(PO4)(PO3OH)(OH)Orth. mmm (2/m 2/m 2/m) : Pbca
8.BG.20DmisokoloviteK3Cu5AlO2(AsO4)4Mon. 2/m : B2/b
8.BG.25ShchurovskyiteK2CaCu6O2(AsO4)4Mon. 2 : B2
8.BG.30WrightiteK2Al2O(AsO4)2Orth. mmm (2/m 2/m 2/m) : Pmma
8.BG.35PolyarsiteNa7CaMgCu2(AsO4)4F2ClMon. 2/m

Fluorescence of TsumebiteHide

Not fluorescent in UV

Other InformationHide

Notes:
Readily soluble in HCl and slowly soluble in HNO3.
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 TsumebiteHide

References for TsumebiteHide

Reference List:

Localities for TsumebiteHide

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.
Australia
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
        • Broken Hill
Chile
 
  • Atacama
    • Chañaral province
      • Diego de Almagro
        • Pampa Capitana
          • La Florida mining district
      • Mantos de Oro mining district
China
 
  • Yunnan
    • Kunming
      • Dongchuan District
DR Congo
 
  • Haut-Katanga
    • Kipushi Territory
      • Kipushi
France
 
  • Auvergne-Rhône-Alpes
    • Allier
      • Vichy
        • Échassières
          • Montmins mining district
  • Grand Est
    • Haut-Rhin
      • Colmar-Ribeauvillé
        • Sainte-Marie-aux-Mines
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Ortenaukreis
        • Oberwolfach
      • Waldshut
        • Ühlingen-Birkendorf
          • Schlücht valley
  • Hesse
    • Darmstadt
      • Bergstraße
        • Lautertal (Odenwald)
          • Gadernheim
          • Reichenbach
            • Borstein
            • Hohenstein
      • Main-Kinzig-Kreis
        • Freigericht
          • Altenmittlau
  • Rhineland-Palatinate
    • Altenkirchen
      • Kirchen (Sieg)
        • Niederfischbach
Italy
 
  • Campania
    • Naples
      • Somma-Vesuvius Complex
  • Sardinia
    • Sassari Province
      • Ozieri
  • Tuscany
    • Grosseto Province
      • Montieri
        • Gerfalco
Japan
 
  • Akita Prefecture
    • Daisen City
Namibia (TL)
 
  • Oshikoto Region
    • Tsumeb
  • Otjozondjupa Region
    • Otavi Constituency
UK
 
  • England
    • Cumbria
      • Allerdale
        • Caldbeck
          • Roughton Gill
USA
 
  • Arizona
    • Gila County
      • Banner Mining District
        • Hayden area
          • Chilito
    • Greenlee County
      • Morenci
        • Morenci Mine
    • Pima County
    • Pinal County
      • Mammoth Mining District
        • Tiger
          • St. Anthony deposit
    • Yavapai County
      • Bradshaw Mountains (Bradshaw Range)
        • Castle Creek Mining District
  • California
    • Inyo County
      • Inyo Mts (Inyo Range)
        • Russ Mining District
          • Reward
    • San Bernardino County
      • Clark Mts (Clark Mountain Range)
        • Clark Mountain District (Clark District)
          • Mohawk Hill
      • Silver Lake Mining District
        • Soda Mountains
          • Zzyzx
  • Montana
    • Beaverhead County
      • Argenta Mining District
        • Argenta
          • Stapleton Gulch
    • Granite County
      • Philipsburg Mining District (Flint Creek Mining District)
  • Nevada
    • Washoe County
      • Pyramid Mining District
        • Burrus vein system
        • Section 21 prospects
  • New Mexico
    • Socorro County
        • Bingham
 
Mineral and/or Locality  
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