Phosphocyclite-(Fe) (original) (raw)

A valid IMA mineral species

Crystal System:

Monoclinic

Fe2+-analogue of phosphocyclite-(Ni). The two are the first tetraphosphate (and/or cyclo-tetraphosphate) minerals.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:55378:4

9f3c3347-c7fa-448c-8b90-b0185405f2fa

IMA Classification of Phosphocyclite-(Fe)Hide

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Approved, Pending publication

Approval history:

IMA No. 2020-087

Classification of Phosphocyclite-(Fe)Hide

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8.FA.

8 : PHOSPHATES, ARSENATES, VANADATES
F : Polyphosphates, Polyarsenates, [4]-Polyvanadates
A : Polyphosphates, etc., without OH and H2O; dimers of corner-sharing RO4 tetrahedra.

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.

Chemistry of Phosphocyclite-(Fe)Hide

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Mindat Formula:

Fe2+2(P4O12)

Crystallography of Phosphocyclite-(Fe)Hide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 11.834(4) Å, b = 8.340(2) Å, c = 9.911(2) Å
β = 118.50(4)°

Ratio:

a:b:c = 1.419 : 1 : 1.188

Unit Cell V:

859.63 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Type Occurrence of Phosphocyclite-(Fe)Hide

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Place of Conservation of Type Material:

collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5596/1

Synonyms of Phosphocyclite-(Fe)Hide

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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 Phosphocyclite-(Fe)Hide

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References for Phosphocyclite-(Fe)Hide

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Localities for Phosphocyclite-(Fe)Hide

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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.