Arsenuranylite (original) (raw)

A valid IMA mineral species - grandfathered

About ArsenuranyliteHide

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Formula:

Ca(UO2)4(AsO4)2(OH)4 · 6H2O

Specific Gravity:

4.25 (Calculated)

Crystal System:

Orthorhombic

Name:

Named in allusion to its composition, containing ARSENic and URANium, and probable relation to phosphuranylite.

This page provides mineralogical data about Arsenuranylite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:374:8

3ee76a33-dc17-4ec9-a0c9-4b967ffca323

IMA Classification of ArsenuranyliteHide

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Approved, 'Grandfathered' (first described prior to 1959)

Type description reference:

Classification of ArsenuranyliteHide

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8.EC.10

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
C : UO2:RO4 = 3:2

42.4.9.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
4 : (AB)5(XO4)2Zq·xH2O

20.7.8

20 : Arsenates (also arsenates with phosphate, but without other anions)
7 : Arsenates of U

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.

Physical Properties of ArsenuranyliteHide

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Cleavage:

Perfect
One, perfect

Density:

4.25 g/cm3 (Calculated)

Optical Data of ArsenuranyliteHide

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RI values:

_n_α = 1.738 _n_β = 1.761 _n_γ = 1.774

δ = 0.036

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Dispersion:

r > v moderate

Comments:

yellow in transmitted light.

Chemistry of ArsenuranyliteHide

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Mindat Formula:

Ca(UO2)4(AsO4)2(OH)4 · 6H2O

Crystallography of ArsenuranyliteHide

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Crystal System:

Orthorhombic

Class (H-M):

m m m _(_2/_m_2/_m_2/m ) - Dipyramidal

Cell Parameters:

a = 15.40 Å, b = 17.40 Å, c = 13.77 Å

Ratio:

a:b:c = 0.885 : 1 : 0.791

Unit Cell V:

3,689.81 ų (Calculated from Unit Cell)

Comment:

Space Group: Bmmb.

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of ArsenuranyliteHide

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General Appearance of Type Material:

As fine scales and lichenlike incrustations of elongated crystals, to 0.5 mm.

Place of Conservation of Type Material:

A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia,
64434.

Geological Setting of Type Material:

oxidized zone of a uranium deposit containing arsenic-bearing sulfides

Associated Minerals at Type Locality:

Reference:

Belova, L. N. (1958): Arsenuranylite, the arsenic analog of phosphuranylite. Zapiski Vserossiiskogo Mineralogicheskogo Obshchestva 87, 598-602. (in Russian).

Other Language Names for ArsenuranyliteHide

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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 ArsenuranyliteHide

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References for ArsenuranyliteHide

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Localities for ArsenuranyliteHide

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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.