Achyrophanite (original) (raw)

A valid IMA mineral species

About AchyrophaniteHide

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Formula:

(K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5

Crystal System:

Orthorhombic

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:52919:4

eb65e54d-c8fc-473c-be32-282db1108be6

IMA Classification of AchyrophaniteHide

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Approved, Pending publication

Classification of AchyrophaniteHide

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8.BF.30

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
F : With medium-sized and large cations, (OH, etc.):RO4< 0.5:1

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 AchyrophaniteHide

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Mindat Formula:

(K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5

Crystallography of AchyrophaniteHide

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Crystal System:

Orthorhombic

Class (H-M):

222 - Disphenoidal

Cell Parameters:

a = 6.5824(2) Å, b = 13.2488(4) Å, c = 10.7613(3) Å

Ratio:

a:b:c = 0.497 : 1 : 0.812

Unit Cell V:

938.48 ų (Calculated from Unit Cell)

Comment:

new structure type

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of AchyrophaniteHide

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Place of Conservation of Type Material:

collections of the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 5029/1

Synonyms of AchyrophaniteHide

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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 AchyrophaniteHide

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References for AchyrophaniteHide

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Localities for AchyrophaniteHide

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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.