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Schoderite

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VanNavSan Claim, Gibellini District, Eureka Co., Nevada, USA
© Elmar Lackner

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Formula:
Al
 
2
PO
 
4
VO
 
4
·8H
 
2
O
System:MonoclinicColour:Bright Yellow-orange.
Name:Named after William Paul Schoder (b 1900) research chemist, Union Carbide Nuclear Company.
This page provides mineralogical data about Schoderite.

Classification of Schoderite

IMA status:Approved
Strunz 8th edition ID:7/C.12-30
Nickel-Strunz 10th (pending) edition ID:8.CE.70

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5
Dana 8th edition ID:43.3.1.1

43 : COMPOUND PHOSPHATES, ETC.
3 : Hydrated Normal Compound Phosphates, etc·
Hey's CIM Ref.:21.3.4

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 Schoderite

Type Locality:VanNavSan Claim, Gibellini District, Eureka Co., Nevada, USA
Year of Discovery:1960

Physical Properties of Schoderite

Colour:Bright Yellow-orange.

Crystallography of Schoderite

Crystal System:Monoclinic
Cell Parameters:a = 16.34Å, b = 30.74Å, c = 12.58Å
β = 92°
Ratio:a:b:c = 0.532 : 1 : 0.409
Unit Cell Volume:V 6,314.98 ų (Calculated from Unit Cell)

Optical Data of Schoderite

Type:Biaxial (-)
RI values: nα = 1.560 nβ = 1.563 nγ = 1.565
2V:Measured: 43° , Calculated: 78°
Maximum Birefringence:δ = 0.005

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:none

Chemical Properties of Schoderite

Formula:
Al
 
2
PO
 
4
VO
 
4
·8H
 
2
O
Essential elements:Al, H, O, P, V
All elements listed in formula:Al, H, O, P, V

Relationship of Schoderite to other Species

Related Minerals - Nickel-Strunz Grouping):
8.CE.05Chudobaite
(Na,K)(Mg,Zn)
 
2
H(AsO
 
4
)(OH,O)
 
6
8.CE.05Geigerite
Mn
 
5
[HAsO
 
4
|AsO
 
4
]
 
2
 · 10H
 
2
O
8.CE.10Newberyite
MgHPO
 
4
·3H
 
2
O
8.CE.15Brassite
MgHAsO
 
4
·4H
 
2
O
8.CE.20Phosphorrösslerite
MgHPO
 
4
·7H
 
2
O
8.CE.20Rösslerite
MgHAsO
 
4
·7H
 
2
O
8.CE.25Metaswitzerite
Mn
 
3
(PO
 
4
)
 
2
·4H
 
2
O
8.CE.25Switzerite
(Mn,Fe)
 
3
(PO
 
4
)
 
2
·7H
 
2
O
8.CE.30Lindackerite
CuCu
 
4
[HAsO
 
4
|AsO
 
4
]
 
2
 · 8-9H
 
2
O
8.CE.30IMA2005-053
(Zn,Cu,Co)Cu
 
4
[HAsO
 
4
|AsO
 
4
]
 
2
 · 9H
 
2
O
8.CE.30Pradetite
CoCu
 
4
(AsO
 
4
)
 
2
(AsO
 
3
OH)
 
2
·9H
 
2
O
8.CE.35Bobierrite
Mg
 
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Annabergite
Ni
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Arupite
Ni
 
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Barićite
(Mg,Fe)
 
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Erythrite
Co
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Ferrisymplesite
Fe
3+
3
[(OH)
 
3
|(AsO
 
4
)
 
2
] · 5H
 
2
O
8.CE.40Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Köttigite
Zn
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Manganohörnesite
(Mn,Mg)
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Parasymplesite
Fe
2+
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Vivianite
Fe
2+
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Pakhomovskyite
Co
 
3
[PO
 
4
]
 
2
 · 8H
 
2
O
8.CE.45Symplesite
Fe
2+
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.50Cattiite
Mg
 
3
(PO
 
4
)
 
2
·22H
 
2
O
8.CE.55Koninckite
Fe
3+
 
[PO
 
4
] · 3H
 
2
O
8.CE.60Kaňkite
FeAsO
 
4
·3.5H
 
2
O
8.CE.65Steigerite
AlVO
 
4
·3H
 
2
O
8.CE.70Metaschoderite
Al
 
2
PO
 
4
VO
 
4
·6H
 
2
O
8.CE.75Mahlmoodite
8.CE.75Malhmoodite
FeZr(PO
 
4
)
 
2
·4H
 
2
O
8.CE.80Santabarbaraite
Fe
3+
3
[(OH)
 
3
|(PO
 
4
)
 
2
] · 5H
 
2
O
8.CE.85Metaköttigite
(Zn,Fe,Fe)
 
3
(AsO
 
4
)
 
2
·8(H
 
2
O,OH)
8.CE.85Metavivianite
Fe
2+
3-x
Fe
3+
x
(PO
 
4
)
 
2
(OH)x·(8-x)H
 
2
O
Related Minerals - Hey's Index Grouping:
21.3.1Steigerite
AlVO
 
4
·3H
 
2
O
21.3.2Alvanite
(Zn,Ni)Al
 
4
[(OH)
 
12
|V
 
2
O
 
6
] · 2H
 
2
O
21.3.3Metaschoderite
Al
 
2
PO
 
4
VO
 
4
·6H
 
2
O
21.3.5Satpaevite
Al
 
12
V
 
2
V
 
6
O
 
37
·30H
 
2
O
21.3.6Vanalite
NaAl
 
8
V
 
10
O
 
38
·30H
 
2
O
21.3.7Wakefieldite-(Ce)
(Ce,Pb)VO
 
4
21.3.7Wakefieldite-(Y)
YVO
 
4
21.3.8Chervetite
Pb
 
2
[V
 
2
O
 
7
]
21.3.9Mottramite
Pb(Cu,Zn)[OH|VO
 
4
]
21.3.10Descloizite
Pb(Zn,Cu)[OH|VO
 
4
]
21.3.11Clinobisvanite
BiVO
 
4
21.3.11Dreyerite
BiVO
 
4
21.3.11Pucherite
BiVO
 
4
21.3.12Schumacherite
Bi
 
3
[O|OH|(VO
 
4
)
 
2
]
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[(OH,O)|VO
 
4
]

Other Names for Schoderite

German names:
Schoderit
Spanish names:
Schoderita

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 Schoderite

Reference List:American Mineralogist (1962): 47: 637-648.

American Mineralogist (1979): 64: 713-720.

Internet Links for Schoderite

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    Localities for Schoderite

    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.
    USA
     
    • Arkansas
      • Garland Co.
        • Wilson Springs (Potash Sulfur Springs)
          • Union Carbide Mine
    		R&M 70:3 pp 154-170
    • Nevada
      • Eureka Co.
        • Gibellini District
    		NBMG Bull 64 Geology and Mineral Resources of Eureka County, Nevada
    Mineral and/or Locality
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