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Tsumebite

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Formula:
Pb2Cu(PO4)(SO4)(OH)
System:
Monoclinic
Colour:
Emerald-green sometimes ...
Lustre:
Adamantine, Sub-Adamantine, Vitreous, Sub-Vitreous, Resinous, Waxy
Hardness:
Name:
Named in 1912 by Karl Heinrich Emil Georg Busz for the town of the type locality - Tsumeb, Southwest Africa (now Namibia).
Brackebuschite Group. 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.

Classification of Tsumebite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
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
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http://www.mindat.org/min-4040.html
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First Recorded Occurrence of Tsumebite

Year of Discovery:
1912
Associated Minerals at First Recorded Locality:

Physical Properties of Tsumebite

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

Crystallography of Tsumebite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Space Group Setting:
P21/m
Cell Parameters:
a = 8.69Å, b = 5.78Å, c = 7.86Å
β = 111.87°
Ratio:
a:b:c = 1.503 : 1 : 1.36
Unit Cell Volume:
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.
X-Ray Powder Diffraction Data:
d-spacingIntensity
4.70 (30)
3.92 (20)
3.24 (100)
2.94 (40)
2.90 (70)
2.72 (40)
2.62 (30)
2.27 (40)
Comments:
ICDD 29-568

Optical Data of Tsumebite

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.

Chemical Properties of Tsumebite

Formula:
Pb2Cu(PO4)(SO4)(OH)
Essential elements:
All elements listed in formula:

Relationship of Tsumebite to other Species

Other Members of Group:
ArsenbrackebuschitePb2Fe3+(AsO4)2(OH)
ArsentsumebitePb2Cu(AsO4)(SO4)(OH)
BearthiteCa2Al(PO4)2(OH)
BrackebuschitePb2Mn3+(VO4)2(OH)
BushmakinitePb2Al(PO4)(VO4)(OH)
CalderónitePb2Fe3+(VO4)2(OH)
FeinglositePb2Zn(AsO4)2 · H2O
FerribushmakinitePb2Fe3+(PO4)(VO4)(OH)
GamagariteBa2Fe3+(VO4)2(OH)
GoedkeniteSr2Al(PO4)2(OH)
GrandaiteSr2Al(AsO4)2(OH)
TokyoiteBa2Mn3+(VO4)2(OH)
8.BG.05ArsentsumebitePb2Cu(AsO4)(SO4)(OH)
8.BG.05BearthiteCa2Al(PO4)2(OH)
8.BG.05BrackebuschitePb2Mn3+(VO4)2(OH)
8.BG.05GamagariteBa2Fe3+(VO4)2(OH)
8.BG.05GoedkeniteSr2Al(PO4)2(OH)
8.BG.05UM1994-19-PO:CuHMoPbPb2Cu(PO4)(MoO4,AsO4,CrO4,GaO4)(OH)
8.BG.05ArsenbrackebuschitePb2Fe3+(AsO4)2(OH)
8.BG.05FeinglositePb2Zn(AsO4)2 · H2O
8.BG.05BushmakinitePb2Al(PO4)(VO4)(OH)
8.BG.05TokyoiteBa2Mn3+(VO4)2(OH)
8.BG.05CalderónitePb2Fe3+(VO4)2(OH)
8.BG.10MélonjosephiteCaFe2+Fe3+(PO4)2(OH)
8.BG.15TancoiteLiNa2Al(PO4)(HPO4)(OH)
22.3.1ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2O
22.3.2ArdealiteCa2(HPO4)(SO4) · 4H2O
22.3.3Machatschkiite(Ca,Na)6(AsO4)(HAsO4)3(PO4,SO4) · 15H2O
22.3.4ClinotyroliteCa2Cu9(AsO4,SO4)4(OH,O)10 · 10H2O
22.3.5PeisleyiteNa2Al9[(P,S)O4]8(OH)6•28H2O
22.3.6ChalcophylliteCu18Al2(SO4)3(AsO4)3(OH)27 · 33H2O
22.3.7WoodhouseiteCaAl3(PO4)(SO4)(OH)6
22.3.8Schlossmacherite(H3O)Al3(SO4)2(OH)6
22.3.9SvanbergiteSrAl3(PO4)(SO4)(OH)6
22.3.10KemmlitziteSrAl3(AsO4)(SO4)(OH)6
22.3.11SanjuaniteAl2(PO4)(SO4)(OH) · 9H2O
22.3.12KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2O
22.3.13HotsoniteAl11(SO4)3(PO4)2(OH)21 · 16H2O
22.3.14WeileriteBaAl3(AsO4)(SO4)(OH)6
22.3.16ArsentsumebitePb2Cu(AsO4)(SO4)(OH)
22.3.17HinsdalitePbAl3(PO4)(SO4)(OH)6
22.3.18HidalgoitePbAl3(AsO4)(SO4)(OH)6
22.3.19Orpheite
22.3.20CoconinoiteFe23+Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2O
22.3.21Sasaite(Al,Fe3+)14(PO4)11(SO4)(OH)7 · 83H2O
22.3.22Tristramite(Ca,U,Fe)(PO4,SO4) · 2H2O
22.3.23CorkitePbFe3(PO4)(SO4)(OH)6
22.3.24BeudantitePbFe3(AsO4)(SO4)(OH)6
22.3.25DiadochiteFe23+(PO4)(SO4)(OH) · 5H2O
22.3.26SarmientiteFe23+(AsO4)(SO4)(OH) · 5H2O
22.3.27BukovskýiteFe23+(AsO4)(SO4)(OH) · 9H2O
22.3.28ZýkaiteFe43+(AsO4)3(SO4)(OH) · 15H2O
22.3.29TooeleiteFe63+(As3+O3)4(SO4)(OH)4 · 4H2O
22.3.30Pitticite(Fe, SO4, AsO4, H2O) ?
22.3.31Xiangjiangite(Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2O

Other Names for Tsumebite

Name in Other Languages:
German:Tsumebit
Simplified Chinese:绿磷铅铜矿
Spanish:Tsumebita

Other Information

Not fluorescent in UV
Other Information:
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.

References for Tsumebite

Reference List:
Busz (1912) Festschr. Ges. Deutsch. Naturforscher und Ärzte, Münster, 182-185.

Busz (1912) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 51: 526.

Rosický (1912) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 51: 521 (as Preslite).

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 147.

LaForge (1938) America Mineralogist: 23: 772.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 918-920.

American Mineralogist (1966) 51: 258, 267.

Internet Links for Tsumebite

Localities for Tsumebite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Australia
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill
Australian Min. 3:1 (1997)
[UKJMM 19:28]
Chile
 
  • Atacama Region
    • Chañaral province
      • El Salado
        • Diego de Almagro
          • Pampa Capitana
            • La Florida district
Ruiz Fuller C.-Peebles F.; "Yacimientos metalíferos de Chile", Fondecyt, Stgo 1988, Chile
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Kipushi
No reference listed
France
 
  • Alsace
    • Haut-Rhin
      • Ste Marie-aux-Mines (Markirch)
Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
  • Auvergne
    • Allier
      • Ébreuil
        • Échassières
Kolitsch, U., Gröbner, J. & Brandstätter, F. (2009): Neufunde von Les Montmins, Allier, Frankreich. Lapis 34 (11), 24-32; 54 (in German). [unpublished analyses by N. Meisser and S. Ansermet]
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Waldshut
        • Birkendorf
          • Schlücht valley
K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Wolfach
        • Oberwolfach
          • Rankach valley
Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German); Blaß, G. & Graf, H. W. (2000): Neufunde von bekannten Fundorten im Schwarzwald. Mineralien-Welt, 11 (4), 57-60. (in German)
  • Hesse
    • Odenwald
      • Lautertal (Odenwald)
        • Gadernheim
Lapis 2002(2), 13-30
        • Reichenbach
          • Borstein
          • Hohenstein
Lapis 25(2), 13-30 (2000)
    • Spessart
      • Freigericht
        • Altenmittlau
Lapis 1985(1), 13-16; Emser Hefte 1988(1), 56-64
  • Rhineland-Palatinate
    • Siegerland
      • Niederfischbach
Weiss: "Mineralfundstellen, Deutschland West", 1990
Italy
 
  • Sardinia
    • Sassari Province
      • Ozieri
Olmi, F., Sabelli, C., Santucci, A., Brizzi, G. (1995): I silicati e i vanadati di Ozieri (SS). Rivista Mineralogica Italiana, 2/1995, 145-160
  • Tuscany
    • Grosseto Province
      • Montieri
        • Gerfalco
Batacchi, C., Ciriotti, M.E., Bittarello, E., Callegari, A.M., Boiocchi, M., Ceccantini, L., Fassina, B. (2013): Fosso Mandromicci, Gerfalco, Montieri (Grosseto). Nuovi ritrovamenti. Micro, 3/2013, 106-126
Japan
 
  • Honshu Island
    • Tohoku Region
      • Akita Prefecture
Masayuki Ohnishi and Norimasa Shimobayashi (2009): Tsumebite from the Kisamori mine, Akita Prefecture, Japan. JAKOKA: 2009 Annual Meeting of the Japan Association of Mineralogical Sciences, R4-09.
Namibia
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Busz (1912) Festschr. Ges. Deutsch. Naturforscher und Ärzte, Münster, 182-185; Busz (1912) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 51: 526; Rosický (1912) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 51: 521 (as Preslite); Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 919.
  • Otjozondjupa Region
    • Otavi
Brandstätter, F., Niedermayr, G., Walter, F. & Wartha, R. (2013): Tsumebit von Gross Otavi, Namibia. Mineralien-Welt, 24(6), 130-133.
UK
 
  • England
    • Cumbria
      • North and Western Region (Cumberland)
        • Caldbeck Fells
          • Roughton Gill
[UKJMM 16:4]
USA
 
  • Arizona
    • Greenlee Co.
      • Shannon Mts
        • Copper Mountain District (Clifton-Morenci District)
          • Morenci
            • Morenci Mine (Morenci pit; Phelps Dodge Morenci Mine; Morenci-Metcalf)
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 919; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 403; Bideaux, R.A., et al (1960), Some new occurrences of minerals of AZ, AZ Geol. Soc. Digest: 3: 53-56.
    • Pinal Co.
      • Mammoth District
        • Tiger
          • St. Anthony deposit
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 404; Bideaux, R.A. (1980), Tiger, AZ, Min.Rec.: 11: 155-181.
  • California
    • Inyo Co.
      • Inyo Mts (Inyo Range)
        • Russ District
          • Reward
Mineral News Vol 16-5 Adams, Paul Microminerals From the Reward Mine, Inyo Co., California; Adams, Paul (2010) The Brown Monster and Reward Mines Inyo County, California. Mineralogical Record 41:175-193.
    • San Bernardino Co.
      • Clark Mts (Clark Mountain Range)
        • Clark Mountain District
          • Pactolus
            • Mohawk Hill
[Mineralien Welt 1/93:44]
      • Soda Lake Mts
        • Baker
www.mineralsocal.org
  • Montana
    • Beaverhead Co.
      • Argenta District
        • Argenta
          • Stapleton Gulch
http://www.mineralnews.com/MinNews/MN18-2.html
    • Granite Co.
      • Philipsburg District (Flint Creek District)
        • John Long Mts
          • Black Pine Ridge
Waisman D. (1992) Minerals of the Black Pine Mine, Granite County, Montana Mineralogical Record, Vol. 23 No. 6, p. 477-483.; Gobla, M. J. (2012) Montana Mineral Locality Index. Rocks and Minerals 87:208-240.
  • Nevada
    • Washoe Co.
      • Pyramid District
        • Section 21 prospects
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Spec Pub 31 Minerals of Nevada
  • New Mexico
    • Socorro Co.
Northrop, Minerals of New Mexico, 3rd Rev. ed., 1996
        • Bingham
[www.johnbetts-fineminerals.com]
Mineral and/or Locality  
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