Redledgeite (original) (raw)

A valid IMA mineral species

About RedledgeiteHide

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Formula:

Ba(Ti4+6Cr3+2)O16

Formerly defined as Bax([Cr,Fe,V]3+2xTi8-2x)O16.

Colour:

Green, yellow, black

Crystal System:

Tetragonal

Name:

Named after its discovery locality.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:3380:6

c56ee21a-0458-49c2-b212-45aa7c4d85bb

IMA Classification of RedledgeiteHide

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IMA Formula:

Ba(Ti6Cr3+2)O16

Type description reference:

Classification of RedledgeiteHide

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4.DK.05b

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
K : With large (+- medium-sized) cations; tunnel structures

7.9.5.2

7 : MULTIPLE OXIDES
9 : AB8X16

7.14.8

7 : Oxides and Hydroxides
14 : Oxides of Cr

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Pronunciation of RedledgeiteHide

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Pronunciation:

Physical Properties of RedledgeiteHide

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Colour:

Green, yellow, black

Density:

3.72 g/cm3 (Measured) 4.413 g/cm3 (Calculated)

Chemistry of RedledgeiteHide

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Mindat Formula:

Ba(Ti4+6Cr3+2)O16

Formerly defined as Bax([Cr,Fe,V]3+2xTi8-2x)O16.

Crystallography of RedledgeiteHide

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Crystal System:

Tetragonal

Cell Parameters:

a = 20.33 Å, c = 5.88 Å

Unit Cell V:

2,430.26 ų (Calculated from Unit Cell)

Comment:

Tetragonal, or monoclinic, pseudotetragonal. Point Group: 4/m or 2/m.; : Space Group: I41/m, : I2/m, ; Space Group: I41/m, with a = 14.320(2) c = 5.893(1) Z = 4, or Space Group: I2/m, with a = 10.129(2) b = 2.951(1) c = 10.135(1) β = 90.05◦ Z=1

Crystal StructureHide

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ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0005537	Redledgeite	Foley J A, Hughes J M, Drexler J W (1997) Redledgeite, Bax([Cr,Fe,V]2xTi8-2x)O16, the I4/m structure and elucidation of the sequence of tunnel Ba cations The Canadian Mineralogist 35 1531-1534		1997	0	293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Comments:

close to mannardite.

Geological EnvironmentHide

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Type Occurrence of RedledgeiteHide

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Place of Conservation of Type Material:

National Museum of Natural History, Washington, D.C., USA, 95846; The Natural History Museum, London, England, 1928,336.

Associated Minerals at Type Locality:

Reference:

Strunz, H. (1961) “Chromrutil” von der Red Ledge mine ist kein rutil. Redledgeite. Neues Jahrbuch für Mineralogie, Monatshefte: 107-111.

Synonyms of RedledgeiteHide

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Other Language Names for RedledgeiteHide

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Relationship of Redledgeite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for RedledgeiteHide

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References for RedledgeiteHide

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Reference List:

Hawthorne, Frank C., Burke, Ernst A. J., Ercit, T. Scott, Grew, Edward S., Grice, Joel D., Jambor, John L., Puziewicz, Jacek, Roberts, Andrew C., Vanko, David A. (1988) New Mineral Names. American Mineralogist, 73 (1-2) 189-199

Localities for RedledgeiteHide

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This 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.

Locality ListHide

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.