Olgite (original) (raw)

A valid IMA mineral species

About OlgiteHide

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

Formula:

(Sr,Ba)(Na,Sr,REE)2Na(PO4)2

Colour:

Bright blue, bluish green

Name:

Named by Khomyakov et al. in 1980 in honor of Olga Anisimovne-Vorobiova (Ольга Анисимовна-Воробьева) (19 December 1902 - 14 February 1974), Russian mineralogist. She was an expert on the alkaline rocks of the Kola peninsula.

Unique IdentifiersHide

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

Long-form identifier:

mindat:1:1:2973:1

223ebd6a-671c-4073-a20f-cf8819d0e2a7

IMA Classification of OlgiteHide

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

IMA Formula:

(Ba,Sr)(Na,Sr,REE)2Na(PO4)2

Type description reference:

Khomyakov, A.P., Semenov, E.I., Shumyatskaya, N.G., Timoshenkov, I.M., Laputina, I.P., and Smol'yaninova, N.N. (1980) Olgite, Na(Sr,Ba)PO4 - a new mineral. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva.

Classification of OlgiteHide

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

8.AC.40

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations

38.1.3.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
1 : ABXO4

19.5.7

19 : Phosphates
5 : Phosphates of Sr and Ba

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 OlgiteHide

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

Colour:

Bright blue, bluish green

Fracture:

Irregular/Uneven

Density:

3.94 g/cm3 (Measured) 3.904 g/cm3 (Calculated)

Optical Data of OlgiteHide

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

RI values:

_n_ω = 1.623 _n_ε = 1.619

δ = 0.004

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

Optical Extinction:

Parallel

Chemistry of OlgiteHide

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

Mindat Formula:

(Sr,Ba)(Na,Sr,REE)2Na(PO4)2

Crystallography of OlgiteHide

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

Class (H-M):

3_m_ _(_32/m ) - Hexagonal Scalenohedral

Cell Parameters:

a = 5.5606 Å, c = 7.045 Å

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)
0006063	Olgite	Sokolova E, Hawthorne F C, Khomyakov A P (2005) Refinement of the crystal structure and revision of the chemical formula of olgite: (Ba,Sr) (Na,Sr,REE)2 Na [PO4]2 The Canadian Mineralogist 43 1521-1526		2005	Lovozero alkaline massif, Kola Peninsula, Russia	0	293
0006064	Olgite	Sokolova E, Hawthorne F C, Khomyakov A P (2005) Refinement of the crystal structure and revision of the chemical formula of olgite: (Ba,Sr) (Na,Sr,REE)2 Na [PO4]2 The Canadian Mineralogist 43 1521-1526		2005	Lovozero alkaline massif, Kola Peninsula, Russia	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:

Geological EnvironmentHide

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

Type Occurrence of OlgiteHide

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

General Appearance of Type Material:

Grains up to 1-2 mm in diameter in analcime and natrosilite.

Place of Conservation of Type Material:

A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 80179.

Geological Setting of Type Material:

Nepheline syenite pegmatite.

Associated Minerals at Type Locality:

Reference:

Khomyakov, A.P., Semenov, E.I., Shumyatskaya, N.G., Timoshenkov, I.M., Laputina, I.P., and Smol'yaninova, N.N. (1980) Olgite, Na(Sr,Ba)PO4 - a new mineral. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva .

Synonyms of OlgiteHide

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

Other Language Names for OlgiteHide

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

Simplified Chinese:磷钠锶石

Traditional Chinese:磷鈉鍶石

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.

Fluorescence of OlgiteHide

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

Other InformationHide

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

IR Spectrum:

The IR spectrum shows bands characteristic of phosphates.

Notes:

The mineral is insoluble in water, dissolved by cold 10% HCl.

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 OlgiteHide

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

References for OlgiteHide

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

Reference List:

Khomyakov, A.P., Semenov, E.I., Shumyatskaya, N.G., Timoshenkov, I.M., Laputina, I.P., and Smol'yaninova, N.N. (1980) Olgite, Na(Sr,Ba)PO4 - a new mineral. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva.

Localities for OlgiteHide

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.