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Tsumebite

Big Photo

Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
© O. Dziallas

Show Tsumebite Photos (30)
Formula:
Pb
 
2
Cu[OH|SO
 
4
|PO
 
4
]
System:MonoclinicColour:Emerald-green; green in ...
Lustre:Adamantine, VitreousHardness:3½
Name:Named after its discovery locality, the Tsumcor Mine, Tsumeb, Namibia.


Brackebuschite Group. The phosphate analogue of Arsentsumebite.

A secondary mineral.

Classification of Tsumebite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/B.24-50
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:43.4.2.1

43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
Hey's CIM Ref.:22.3.15

22 : Phosphates, Arsenates or Vanadates with other Anions
3 : Phosphates, arsenates or vanadates with sulphates
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Type Occurrence of Tsumebite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Year of Discovery:1912
Associated Minerals at type locality:
SmithsoniteCerussiteAzurite

Physical Properties of Tsumebite

Lustre:Adamantine, Vitreous
Diaphaneity (Transparency):Transparent
Comment:Lustre brilliant
Colour:Emerald-green; green in transmitted light.
Hardness (Mohs):3½
Tenacity:Brittle
Fracture:Irregular/Uneven
Density (measured):6.13 g/cm3

Crystallography of Tsumebite

Crystal System:Monoclinic
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)
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.

Optical Data of Tsumebite

Type:Biaxial (+)
RI values: nα = 1.900 nβ = 1.920 nγ = 1.942
2V:Measured: 90° , Calculated: 90°
Maximum Birefringence:δ = 0.042

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v extreme
Pleochroism:Weak
Comments:Faint.

Chemical Properties of Tsumebite

Formula:
Pb
 
2
Cu[OH|SO
 
4
|PO
 
4
]
Essential elements:Cu, H, O, P, Pb, S
All elements listed in formula:Cu, H, O, P, Pb, S

Relationship of Tsumebite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.BG.05Arsentsumebite
Pb
 
2
Cu[OH|SO
 
4
|AsO
 
4
]
8.BG.05Bearthite
Ca
 
2
Al[OH|(PO
 
4
)
 
2
]
8.BG.05Brackebuschite
Pb
 
2
(Mn
3+
 
,Fe
3+
 
)[OH|(VO
 
4
)
 
2
]
8.BG.05Gamagarite
Ba
 
2
(Fe
3+
 
,Mn
3+
 
)[OH|(VO
 
4
)
 
2
]
8.BG.05Goedkenite
(Sr,Ca)
 
2
Al[OH|(PO
 
4
)
 
2
]
8.BG.05UM1994-19
Pb
 
2
CuOHPO
 
4
(Mo,As,Cr,Ga)O
 
4
8.BG.05Arsenbrackebuschite
Pb
 
2
(Fe
3+
 
,Zn
2+
 
)[(OH,H
 
2
O)|(AsO
 
4
)
 
2
]
8.BG.05Feinglosite
Pb
 
2
(Zn,Fe
2+
 
)[OH|SO
 
4
|AsO
 
4
]
8.BG.05Bushmakinite
Pb
 
2
Al[OH|PO
 
4
|VO
 
4
]
8.BG.05Tokyoite
Ba
 
2
(Mn
3+
 
,Fe
3+
 
)[OH|(VO
 
4
)
 
2
]
8.BG.05Calderónite
Pb
 
2
Fe
3+
 
[OH|(VO
 
4
)
 
2
]
8.BG.10Mélonjosephite
CaFe
2+
 
Fe
3+
 
[OH|(PO
 
4
)
 
2
]
8.BG.15Tancoite
LiNa
 
2
Al[OH|HPO
 
4
|PO
 
4
]
Related Minerals - Hey's Index Grouping:

- +
22.3.1Parnauite
Cu
 
9
[(OH)
 
10
|SO
 
4
|(AsO
 
4
)
 
2
] · 7H
 
2
O
22.3.2Ardealite
Ca
 
2
[HPO
 
4
|SO
 
4
] · 4H
 
2
O
22.3.3Machatschkiite
(Ca,Na)
 
6
AsO
 
4
(AsO
 
3
OH)
 
3
(PO
 
4
,SO
 
4
)·15H
 
2
O
22.3.4Clinotyrolite
Ca
 
2
Cu
 
9
[(OH,O)
 
10
|(AsO
 
4
,SO
 
4
)
 
4
] · 10H
 
2
O
22.3.5Peisleyite
Na
 
3
Al
 
16
[SO
 
4
|(PO
 
4
)
 
5
]
 
2
 · 20H
 
2
O
22.3.6Chalcophyllite
Cu
 
18
Al
 
2
[(OH)
 
9
|SO
 
4
|AsO
 
4
]
 
3
 · 33H
 
2
O
22.3.7Woodhouseite
CaAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
22.3.8Schlossmacherite
(H
 
3
O,Ca)Al
 
3
[(OH)
 
6
|(SO
 
4
,AsO
 
4
)
 
2
]
22.3.9Svanbergite
SrAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
22.3.10Kemmlitzite
(Sr,Ce)Al
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
22.3.11Sanjuanite
Al
 
2
[OH|SO
 
4
|PO
 
4
] · 9H
 
2
O
22.3.12Kribergite
Al
 
5
[(OH)
 
4
|SO
 
4
|(PO
 
4
)
 
3
] · 4H
 
2
O
22.3.13Hotsonite
Al
 
11
[(OH)
 
21
|(SO
 
4
)
 
3
|(PO
 
4
)
 
2
] · 16H
 
2
O
22.3.14Weilerite
22.3.16Arsentsumebite
Pb
 
2
Cu[OH|SO
 
4
|AsO
 
4
]
22.3.17Hinsdalite
PbAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
22.3.18Hidalgoite
PbAl
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
22.3.19Orpheite
PbAl
 
3
[(OH)
 
6
|(PO
 
4
,SO
 
4
)
 
2
] (?)
22.3.20Coconinoite
Fe
3+
2
Al
 
2
(UO
 
2
)
 
2
[(OH)
 
2
|SO
 
4
|(PO
 
4
)
 
4
] · 20H
 
2
O
22.3.21Sasaite
(Al,Fe
3+
 
)
 
14
[(OH)
 
7
|SO
 
4
|(PO
 
4
)
 
11
] · 83H
 
2
O
22.3.22Tristramite
(Ca,U,Fe)(PO
 
4
,SO
 
4
)·2H
 
2
O
22.3.23Corkite
PbFe
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
22.3.24Beudantite
PbFe
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
22.3.25Diadochite
Fe
3+
2
(PO
 
4
)(SO
 
4
)(OH) · 5H
 
2
O
22.3.26Sarmientite
Fe
3+
2
[OH|SO
 
4
|AsO
 
4
] · 5H
 
2
O
22.3.27Bukovskýite
Fe
3+
2
[OH|SO
 
4
|AsO
 
4
] · 7H
 
2
O
22.3.28Zýkaite
Fe
3+
4
[OH|SO
 
4
|(AsO
 
4
)
 
3
] · 15H
 
2
O
22.3.29Tooeleite
Fe
3+
6
(AsO
 
3
)
 
4
(SO
 
4
)(OH)
 
4
· 4H
 
2
O
22.3.30Pitticite
[Fe, SO
 
4
, AsO
 
4
, H
 
2
O] ?
22.3.31Xiangjiangite
(Fe
3+
 
,Al)(UO
 
2
)
 
4
[OH|(SO
 
4
)
 
2
|(PO
 
4
)
 
2
] · 22H
 
2
O

Other Names for Tsumebite

Synonyms:
Preslite
Other Languages:
German:Tsumebit
Spanish:Tsumebita

Other Information

Other Information:Readily soluble in HCl and slowly soluble in HNO3.
Health Warning: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.

Articles/Blogs about Tsumebite

Internet Links for Tsumebite

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    Localities for Tsumebite

    Hide Locality List
    The 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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    (TL) indicates type locality. ? 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)
      • Katanga Copper Crescent
        • Southern area
          • Lubumbashi (Elizabethville)
            • Kipushi
    		No reference listed
    France
     
    • Alsace
      • Haut-Rhin
        • Ste Marie-aux-Mines (Markirch)
    		Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Waldshut
          • Birkendorf
    		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
        • Bensheim
          • Gadernheim
    		Lapis 2002(2), 13-30
          • Reichenbach
            • Borstein
            • Hohenstein
    		Lapis 25(2), 13-30 (2000)
      • Spessart Mts
        • 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
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		Festschr.Ges.Deutsch. Naturforscher und Ärzte, Münster,(1912) 182-185; 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.
    UK
     
    • England
      • Cumbria
        • North and Western Region (Cumberland)
          • Caldbeck Fells
            • Roughton Gill
    		[UKJMM 16:4]
    USA
     
    • Arizona
      • Greenlee Co.
        • Shannon Mts
          • 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.
    		Mineral News Vol 16-5 Adams, Paul Microminerals From the Reward Mine, Inyo Co., California
      • San Bernardino Co.
        • Baker
          • Section 2; T13N; R7E (SB)
    		www.mineralsocal.org
        • Clark Mts
    		[Mineralien Welt 1/93:44]
    • 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
            • Flint Creek Valley
    		Waisman D. (1992) Minerals of the Black Pine Mine, Granite County, Montana Mineralogical Record, Vol. 23 No. 6, p. 477-483.
    • 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
    Google
     
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