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|Name:||Named after William Paul Schoder (1900-1977) research chemist, Union Carbide Nuclear Company.|
May dehydrate to metaschoderite.
Classification of Schoderite
|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:||188.8.131.52|
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 (Van Nav Sand claim), Fish Creek Range, Gibellini District, Eureka Co., Nevada, USA|
|Year of Discovery:||1960|
Physical Properties of Schoderite
Crystallography of Schoderite
|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 Å³ (Calculated from Unit Cell)|
|X-Ray Powder Diffraction:|
Optical Data of Schoderite
|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.
Chemical Properties of Schoderite
|Simplified for copy/paste:||Al2(PO4)(VO4)·8H2O|
|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):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Schoderite
|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
Hausen, D. M. (1962): Schoderite, a new phosphovanadate mineral from Nevada. American Mineralogist 47: 637-648.
Pabst, A. (1979): Schoderite, a new locality and a redescription.. American Mineralogist 64: 713-720.
Internet Links for Schoderite
Localities for Schoderite
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.
(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.
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Locality Updated: São Pedro, Óbidos, Leiria District, PortugalFrom Rui Nunes, 26th Nov 2014 13:44:31