Olekminskite
A valid IMA mineral species
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About Olekminskite
Formula:
Sr(Sr,Ca,Ba)(CO3)2
Colour:
white
Lustre:
Vitreous
Hardness:
3
Specific Gravity:
3.650 - 3.682
Crystal System:
Trigonal
Name:
Named for the city of Olekminsk, the administration center of the Murunskij alkaline complex.
Type Locality:
Isostructural with:
Unique Identifiers
Mindat ID:
2971
Long-form identifier:
mindat:1:1:2971:7
GUID
(UUID V4):
(UUID V4):
34a2ede1-0a97-40ef-adc1-a392d657f84a
IMA Classification of Olekminskite
Approved
IMA Formula:
Sr2(CO3)2
First published:
1991
Classification of Olekminskite
5.AB.40
5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
B : Alkali-earth (and other M2+) carbonates
5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
B : Alkali-earth (and other M2+) carbonates
14.2.2.3
14 : ANHYDROUS NORMAL CARBONATES
2 : AB(XO3)2
14 : ANHYDROUS NORMAL CARBONATES
2 : AB(XO3)2
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Okm | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Olekminskite
Vitreous
Transparency:
Transparent
Colour:
white
Hardness:
3 on Mohs scale
Tenacity:
Brittle
Density:
3.650 - 3.682 g/cm3 (Measured) 3.66(1) g/cm3 (Calculated)
Optical Data of Olekminskite
Type:
Uniaxial (-)
RI values:
nω = 1.670(2) nε = 1.527(2)
Max Birefringence:
δ = 0.143
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Chemistry of Olekminskite
Mindat Formula:
Sr(Sr,Ca,Ba)(CO3)2
Common Impurities:
TR,La,Ce
Crystallography of Olekminskite
Crystal System:
Trigonal
Class (H-M):
3 2 - Trapezohedral
Space Group:
P3 2 1
Cell Parameters:
a = 8.66(2) Å, c = 6.08(2) Å
Ratio:
a:c = 1 : 0.702
Unit Cell V:
394.88 ų (Calculated from Unit Cell)
Z:
3
Comment:
Hexagonal symnrletry and space group P321 were assumed by analogy with paralstonite.
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.50 Å | (100) |
2.49 Å | (90) |
2.03 Å | (90) |
1.928 Å | (60) |
1.837 Å | (60) |
1.581 Å | (60 broad) |
1.443 Å | (60 broad) |
1.305 Å | (70 broad) |
1.277 Å | (40 broad) |
1.252 Å | (40 broad) |
1.178 Å | (50 broad) |
Comments:
Kedrovyi alkaline massif, Russia. The data are from the type description.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks | |
36 : Carbonatites, kimberlites, and related igneous rocks |
Geological Setting:
Daughter products in fluid inclusions in carbonatites.
Type Occurrence of Olekminskite
General Appearance of Type Material:
Needle-like crystals, 0.005-0.010 mm thick, occurring in spherulitic aggregates 0.10-0.15 mm in radius.
Place of Conservation of Type Material:
Mining Institute, St. Petersburg, Russia, number 2071/1.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, number p461/1.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, number p461/1.
Geological Setting of Type Material:
In barytocalcite-quartz veins that cut intrusive breccias accompanying an alkaline massif.
Associated Minerals at Type Locality:
Reference:
Konyev, A.A., Vorobyev, E.I., Piskunova, L.F., Ushchalovskaya, Z.F., and Tokhonova, G.A. (1991) Olekminskite Sr(Sr,Ca,B)(CO3)2, a new mineral and the new isomorphous series olekminskite-paralstonite. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 120(3): 89-96.
Synonyms of Olekminskite
Other Language Names for Olekminskite
Relationship of Olekminskite to other Species
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
2 photos of Olekminskite associated with Barytocalcite | BaCa(CO3)2 |
Related Minerals - Strunz-mindat Grouping
5.AB. | Škáchaite | CaCo(CO3)2 |
5.AB.05 | Calcite | CaCO3 |
5.AB.05 | Gaspéite | NiCO3 |
5.AB.05 | Magnesite | MgCO3 |
5.AB.05 | Otavite | CdCO3 |
5.AB.05 | Rhodochrosite | MnCO3 |
5.AB.05 | Siderite | FeCO3 |
5.AB.05 | Smithsonite | ZnCO3 |
5.AB.05 | Spherocobaltite | CoCO3 |
5.AB.05 va | Parakutnohorite | |
5.AB.10 | Ankerite | Ca(Fe2+,Mg)(CO3)2 |
5.AB.10 | Dolomite | CaMg(CO3)2 |
5.AB.10 | Kutnohorite | CaMn2+(CO3)2 |
5.AB.10 | Minrecordite | CaZn(CO3)2 |
5.AB.15 | Aragonite | CaCO3 |
5.AB.15 | Cerussite | PbCO3 |
5.AB.15 | Strontianite | SrCO3 |
5.AB.15 | Witherite | BaCO3 |
5.AB.20 | Vaterite | CaCO3 |
5.AB.25 | Huntite | CaMg3(CO3)4 |
5.AB.30 | Norsethite | BaMg(CO3)2 |
5.AB.35 | Alstonite | BaCa(CO3)2 |
5.AB.40 | Paralstonite | BaCa(CO3)2 |
5.AB.45 | Barytocalcite | BaCa(CO3)2 |
5.AB.50 | Carbocernaite | (Ca,Na)(Sr,Ce,Ba)(CO3)2 |
5.AB.55 | Benstonite | Ba6Ca6Mg(CO3)13 |
5.AB.60 | Juangodoyite | Na2Cu(CO3)2 |
Other Information
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 Olekminskite
mindat.org URL:
https://www.mindat.org/min-2971.html
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References for Olekminskite
Reference List:
Localities for Olekminskite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Bolivia | |
| Laszlo Horvath |
Brazil | |
| Gomide (2015) |
| Gomide (2015) |
| Gomide (2015) |
| Gomide (2015) |
Canada | |
| Edahbi et al. (2022, October) |
Greenland | |
| HUTCHINSON et al. (2008) |
Russia | |
| [Lapis 1993:4 p.13-20] |
Konyev et al. (1991) +2 other references | |
| Sharygin +10 other references |
| Sorokhtina et al. (2008) |
| Mikhailova et al. (2016) |
| Belovitskaya et al. (2004) |
| Sharygin et al. (2008) |
| Sharygin (2016) +1 other reference |
South Africa | |
| Wilson |
| Mitchell et al. (2004) |
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Kedrovyi alkaline massif, Murunskii Massif, Chara and Tokko Rivers Confluence, Aldan Shield, Russia