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Schumacherite

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Big Photo

Pucher Shaft, Wolfgang Maaßen Mine field, Schneeberg District, Erzgebirge, Saxony, Germany
© 2004 JBS

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Formula:
Bi
 
3
(VO
 
4
)
 
2
O(OH)
System:TriclinicColour:Yellow to yellow-brown
Hardness:3
Name:Named after Friedrich Schumacher (1884–1975), Professor of Mineralogy at the Universities of Freiberg and Bonn, Germany.


Preisingerite Group. Petitjeanite-Schumacherite Series, and the Preisingerite-Schumacherite Series.

Classification of Schumacherite

IMA status:Approved
Strunz 8th edition ID:7/B.30-20
Nickel-Strunz 10th (pending) edition ID:8.BO.10

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
O : With only large cations, (OH, etc.):RO4 about 1:1
Dana 8th edition ID:41.10.9.2

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
10 : (AB)3(XO4)2Zq
Hey's CIM Ref.:21.3.12

21 : Vanadates (and vanadates with arsenate or phosphate)
3 : Vanadates of Al, rare earths, Pb, V or Bi
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Type Occurrence of Schumacherite

Type Locality:Pucher Shaft, Wolfgang Maaßen Mine field, Schneeberg District, Erzgebirge, Saxony, Germany
Year of Discovery:1983

Physical Properties of Schumacherite

Lustre:Adamantine
Colour:Yellow to yellow-brown
Hardness (Mohs):3

Crystallography of Schumacherite

Crystal System:Triclinic
Cell Parameters:a = 10.05Å, b = 7.46Å, c = 6.9Å
α = 87.7°, β = 115.3°, γ = 111.5°
Ratio:a:b:c = 1.347 : 1 : 0.925
Unit Cell Volume:V 430.96 ų (Calculated from Unit Cell)

Chemical Properties of Schumacherite

Formula:
Bi
 
3
(VO
 
4
)
 
2
O(OH)
Essential elements:Bi, H, O, V
All elements listed in formula:Bi, H, O, V
Common Impurities:As,P

Relationship of Schumacherite to other Species

Series:Forms a series with Preisingerite (see here)
Forms a series with Petitjeanite (see here)
Structurally related to group(s):
Preisingerite Group
Related Minerals - Nickel-Strunz Grouping):

- +
8.BO.05Nacaphite
Na
 
2
Ca(PO
 
4
)F
8.BO.10Preisingerite
Bi
 
3
(AsO
 
4
)
 
2
O(OH)
8.BO.10Petitjeanite
Bi
 
3
(PO
 
4
)
 
2
O(OH)
8.BO.15Atelestite
Bi
 
2
(AsO
 
4
)O(OH)
8.BO.15Hechtsbergite
Bi
 
2
(VO
 
4
)O(OH)
8.BO.15Smrkovecite
Bi
 
2
(PO
 
4
)O(OH)
8.BO.20Kombatite
Pb
 
14
(VO
 
4
)
 
2
O
 
9
Cl
 
4
8.BO.20Sahlinite
Pb
 
14
(AsO
 
4
)
 
2
O
 
9
Cl
 
4
8.BO.25Heneuite
CaMg
 
5
(CO
 
3
)(PO
 
4
)
 
3
(OH)
8.BO.30Nefedovite
Na
 
5
Ca
 
4
(PO
 
4
)
 
4
F
8.BO.35Kuznetsovite
(Hg
+
2
)Hg
2+
 
(AsO
 
4
)Cl
8.BO.40Artsmithite
(Hg
+
2
)
 
2
Al(PO
 
4
)
 
1.74
(OH)
 
1.78
8.BO.45Schlegelite
Bi
 
7
(AsO
 
4
)
 
3
(MoO
 
4
)
 
2
O
 
4
Related Minerals - Hey's Index Grouping:

- +
21.3.1Steigerite
Al(VO
 
4
) · 3H
 
2
O
21.3.2Alvanite
(Zn,Ni)Al
 
4
(V
5+
 
O
 
3
)
 
2
(OH)
 
12
 · 2H
 
2
O
21.3.3Metaschoderite
Al
 
2
(PO
 
4
)(VO
 
4
) · 6H
 
2
O
21.3.4Schoderite
Al
 
2
(PO
 
4
)(VO
 
4
) · 8H
 
2
O
21.3.5Satpaevite
Al
 
12
V
4+
2
V
5+
6
O
 
37
 · 30H
 
2
O
21.3.6Vanalite
NaAl
 
8
V
 
10
O
 
38
 · 30H
 
2
O
21.3.7Wakefieldite-(Ce)
Ce(VO
 
4
)
21.3.7Wakefieldite-(Y)
Y(VO
 
4
)
21.3.8Chervetite
Pb
 
2
(V
 
2
O
 
7
)
21.3.9Mottramite
PbCu(VO
 
4
)(OH)
21.3.10Descloizite
Pb(Zn,Cu)(VO
 
4
)(OH)
21.3.11Clinobisvanite
Bi(VO
 
4
)
21.3.11Dreyerite
Bi(VO
 
4
)
21.3.11Pucherite
Bi(VO
 
4
)
21.3.13Namibite
Cu(BiO)
 
2
(VO
 
4
)(OH)
21.3.14Pottsite
HPbBi(VO
 
4
)
 
2
 · 2H
 
2
O
21.3.15Duhamelite
(Pb,Bi,Ca)Cu(VO
 
4
)(OH,O)

Other Names for Schumacherite

Synonyms:
IMA1982-023
Other Languages:
German:Schumacherit
Spanish:Schumacherita

Other Information

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 Schumacherite

Reference List:

- +
Walenta, K., Dunn, P. J., Hentschel, G. & Mereiter, K. (1983): Schumacherit, ein neues Wismutmineral von Schneeberg in Sachsen. Tschermaks Mineral. Petrogr. Mitt. 31, 165-173. (in German).

American Mineralogist (1985): 70: 438.

Internet Links for Schumacherite

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  • Raman and XRD data at RRUFF project
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    • Localities for Schumacherite

    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.
    Hide Locality List
    (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
     
    • Victoria
      • Benambra
        • Morass Creek gorge
    		Mineralogical Record: 29: 164.
    Brazil
     
    • Minas Gerais
      • Conceição do Mato Dentro
        • São José de Brejaúba (São José de Bryamba)
    		[MinRec 32:416]
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		U. Kolitsch, G. Blaß, H.-W. Graf und J. Gröbner (2004): Neufunde aus der Grube Clara im mittleren Schwarzwald. Lapis 29 (2) 18-23; 50. (in German); Gröbner, J., Kolitsch, U. und Bayerl, R. (2005): Interessante Uranmineralien im Stinkspat der Grube Clara. Lapis 30 (10), 34-39; 90; Gröbner, J., Bayerl, R. und Kolitsch, U. (2006): Weitere Beobachtungen zu den Uran- und Vanadium-Paragenesen der Grube Clara aus den Jahren 2002, 2004 und 2005. Erzgräber 20, 1-10
    • Saxony
      • Erzgebirge
        • Schneeberg District
    		Lapis 30(7/8):41-70 (2005)
          • Neustädtel
    		Lapis 30(7/8):41-70 (2005); Belendorff, K. (2009): Dreyerit und Rhabdophan-(Nd) aus Schneeberg, Erzgebirge. Mineralien-Welt 20 (3), 27-29
    Lapis 30(7/8):41-70 (2005)
          • Wolfgang Maaßen Mine field
    		Tscherm.Min.Petr.Mitt.(1983) 31, 165-173; Wittern: "Mineralfundorte in Deutschland", 2001
      • Vogtland
        • Oelsnitz
    		Gröbner, J. and Kolitsch, U. (2007): The minerals of the uranium prospect at Tirpersdorf, Vogtland. Lapis 32, 37-42; 58. (in German)
    USA
     
    • California
      • Plumas Co.
        • Last Chance District
          • Spring Creek area
    		[MinRecord 29:165]
    • Colorado
      • Fremont Co.
        • Eight Mile Park pegmatite District
    		[MinRec 29:165]
    • Nevada
      • Nye Co.
        • Manhattan District
    		Handbook of Mineralogy
    Mineral and/or Locality
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