Iriginite (original) (raw)

A valid IMA mineral species - grandfathered

About IriginiteHide

This section is currently hidden. Click the show button to view.

Formula:

(UO2)Mo2O7 · 3H2O

Crystal System:

Orthorhombic

Name:

The author liked the sound of the name. The Handbook of Mineralogy states: "A euphonious construction, devoid of connotation."

This page provides mineralogical data about Iriginite.

Unique IdentifiersHide

This section is currently hidden. Click the show button to view.

Long-form identifier:

mindat:1:1:2046:2

1ef145ff-8430-46c6-98ab-f64f657f6b89

IMA Classification of IriginiteHide

This section is currently hidden. Click the show button to view.

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

IMA Formula:

(UO2)Mo6+2O7 · 3H2O

Classification of IriginiteHide

This section is currently hidden. Click the show button to view.

4.GB.60

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
G : Uranyl Hydroxides
B : With additional cations (K, Ca, Ba, Pb, etc.); with mainly UO2(O,OH)5 pentagonal polyhedra

49.2.3.1

49 : HYDRATED MOLYBDATES AND TUNGSTATES
2 : Hydrated Normal Molybdates and Tungstates

27.3.7

27 : Sulphites, Chromates, Molybdates and Tungstates
3 : Molybdates

Mineral SymbolsHide

This section is currently hidden. Click the show button to view.

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

Physical Properties of IriginiteHide

This section is currently hidden. Click the show button to view.

Optical Data of IriginiteHide

This section is currently hidden. Click the show button to view.

RI values:

_n_α = 1.730 - 1.764 _n_β = 1.820 - 1.889 _n_γ = 1.930 - 1.936

2V:

Measured: 60° , Calculated: 58° to 90°

δ = 0.200

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

Chemistry of IriginiteHide

This section is currently hidden. Click the show button to view.

Mindat Formula:

(UO2)Mo2O7 · 3H2O

Crystallography of IriginiteHide

This section is currently hidden. Click the show button to view.

Crystal System:

Orthorhombic

Class (H-M):

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

Cell Parameters:

a = 12.77 Å, b = 6.71 Å, c = 11.53 Å

Ratio:

a:b:c = 1.903 : 1 : 1.718

Unit Cell V:

987.97 ų (Calculated from Unit Cell)

Crystal StructureHide

This section is currently hidden. Click the show button to view.

Load
Unit Cell |Unit Cell Packed
2x2x2 |3x3x3 |4x4x4

Show
Big Balls |Small Balls |Just Balls |Spacefill
Polyhedra Off |Si Polyhedra |All Polyhedra
Remove metal-metal sticks

Display Options
Black Background |White Background
Perspective On |Perspective Off
2D |Stereo |Red-Blue |Red-Cyan

View
CIF File Best |x |y |z |a |b |c

Rotation
Stop |Start

Labels
Console Off |On |Grey |Yellow

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0005691	Iriginite	Krivovichev S V, Burns P C (2000) The crystal chemistry of uranyl molybdates. II. the crystal structure of iriginite The Canadian Mineralogist 38 847-851		2000	0	293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

This section is currently hidden. Click the show button to view.

Powder Diffraction Data:

Comments:

Aleksandrovskii Golets deposit, Russia. Data from the type description.

Geological EnvironmentHide

This section is currently hidden. Click the show button to view.

Type Occurrence of IriginiteHide

This section is currently hidden. Click the show button to view.

General Appearance of Type Material:

Very fine-grained dense yellow aggregates, sometimes forming pseudomorphs after brannerite.

Place of Conservation of Type Material:

Mining Institute, St. Petersburg, Russia, number 1257/2 (type).

Geological Setting of Type Material:

Granulated albitite, with U-Mo minerals.

Associated Minerals at Type Locality:

Synonyms of IriginiteHide

This section is currently hidden. Click the show button to view.

Other Language Names for IriginiteHide

This section is currently hidden. Click the show button to view.

Common AssociatesHide

This section is currently hidden. Click the show button to view.

Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

This section is currently hidden. Click the show button to view.

Other InformationHide

This section is currently hidden. Click the show button to view.

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 IriginiteHide

This section is currently hidden. Click the show button to view.

References for IriginiteHide

This section is currently hidden. Click the show button to view.

Localities for IriginiteHide

This section is currently hidden. Click the show button to view.

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

This section is currently hidden. Click the show button to view.

- 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.