Smolyaninovite
A valid IMA mineral species - grandfathered
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About Smolyaninovite
Nikolai A. Smol'yaninov (1885-1957), mineralogist, Moscow University, Russia.
Formula:
Co3Fe3+2(AsO4)4 · 11H2O
With minor Ni, Mg and Ca replacing Co, and minor Al replacing Fe(III).
Colour:
Yellow
Lustre:
Silky
Hardness:
2
Crystal System:
Orthorhombic
Member of:
Name:
Named in honor of Nikolai Alekseevich Smolyaninov (Николай Алексеевич Смольянинов) (8 May 1885, Moscow, Russian Empire - 6 April 1957, Moscow, USSR), mineralogist, Moscow University, Russia.
Also spelled Smolianinovite, but Smolyaninovite is the correct, and official, spelling according to latest IMA lists.
Also spelled Smolianinovite, but Smolyaninovite is the correct, and official, spelling according to latest IMA lists.
This page provides mineralogical data about Smolyaninovite.
Unique Identifiers
Mindat ID:
7298
Long-form identifier:
mindat:1:1:7298:0
Similar Names
| Smolyaninovita | A synonym of 'Smolianinovite' |
IMA Classification of Smolyaninovite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Co2+3Fe3+2(As5+O4)4·11H2O
First published:
1956
Type description reference:
Classification of Smolyaninovite
8.CH.55
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
H : With large and medium-sized cations, RO4:H2O < 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
H : With large and medium-sized cations, RO4:H2O < 1:1
40.5.8.1
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
5 : AXO4·xH2O
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
5 : AXO4·xH2O
20.10.10
20 : Arsenates (also arsenates with phosphate, but without other anions)
10 : Arsenates of Co and Ni
20 : Arsenates (also arsenates with phosphate, but without other anions)
10 : Arsenates of Co and Ni
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 for Standard |
|---|---|---|
| Sya | 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 Smolyaninovite
Optical Data of Smolyaninovite
Type:
Biaxial (+)
Dispersion:
r < v moderate
Chemistry of Smolyaninovite
Mindat Formula:
Co3Fe3+2(AsO4)4 · 11H2O
With minor Ni, Mg and Ca replacing Co, and minor Al replacing Fe(III).
With minor Ni, Mg and Ca replacing Co, and minor Al replacing Fe(III).
Element Weights:
Crystallography of Smolyaninovite
Crystal System:
Orthorhombic
Cell Parameters:
a = 6.4 Å, b = 11.72 Å, c = 21.9 Å
Ratio:
a:b:c = 0.546 : 1 : 1.869
Unit Cell V:
1,642.68 ų (Calculated from Unit Cell)
Comment:
Space group not determined.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 21.94 Å | (10) |
| 11.58 Å | (8) |
| 3.20 Å | (6) |
| 2.92 Å | (5) |
| 2.59 Å | (1) |
| 1.642 Å | (5) |
| 1.486 Å | (2) |
Comments:
All lines diffuse.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] |
Type Occurrence of Smolyaninovite
General Appearance of Type Material:
Earthy to dense aggregates of finely fibrous material.
Place of Conservation of Type Material:
Mining Institute, St. Petersburg, Russia, 1286/1.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 64823.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 64823.
Geological Setting of Type Material:
Widely distributed as an oxidation product of smaltite, safflorite, and rammelsbergite.
Synonyms of Smolyaninovite
Other Language Names for Smolyaninovite
Relationship of Smolyaninovite to other Species
Common Associates
Associations Based on Photo Data:
| 49 photos of Smolyaninovite associated with Erythrite | Co3(AsO4)2 · 8H2O |
| 32 photos of Smolyaninovite associated with Mansfieldite | AlAsO4 · 2H2O |
| 20 photos of Smolyaninovite associated with Heterogenite | Co3+O(OH) |
| 4 photos of Smolyaninovite associated with Quartz | SiO2 |
| 3 photos of Smolyaninovite associated with 'Cobalt-bearing Mansfieldite' | (Al,Co)AsO4 · 2H2O |
| 2 photos of Smolyaninovite associated with Roselite | Ca2Co(AsO4)2 · 2H2O |
| 2 photos of Smolyaninovite associated with Cobaltite | CoAsS |
| 2 photos of Smolyaninovite associated with Lavendulan | NaCaCu5(AsO4)4Cl · 5H2O |
| 1 photo of Smolyaninovite associated with 'Cobalt-bearing Calcite-Spherocobaltite' | |
| 1 photo of Smolyaninovite associated with Vladimirite | Ca4(AsO4)2(AsO3OH) · 4H2O |
Related Minerals - Strunz-mindat Grouping
| 8.CH. | Georgeliuite | Ca2Mn3+3O2(AsO4)3(H2O)2 · H2O |
| 8.CH.05 | Natrowalentaite | [Fe3+0.5Na0.5(H2O)6][NaAs3+2(Fe3+2.33W6+0.67)(PO4)2O7] |
| 8.CH.05 | Walentaite | [Mn2+(H2O)6][◻As3+3Fe3+3(PO4)2O7] |
| 8.CH.05 | Halilsarpite | [Mg(H2O)6][CaAs3+2(Fe3+2.67Mo6+0.33)(AsO4)2O7] |
| 8.CH.10 | Anapaite | Ca2Fe2+(PO4)2 · 4H2O |
| 8.CH.15 | Picropharmacolite | Ca4Mg(AsO4)2(HAsO4)2 · 11H2O |
| 8.CH.20 | Dittmarite | (NH4)Mg(PO4) · H2O |
| 8.CH.20 | Niahite | (NH4)Mn2+(PO4) · H2O |
| 8.CH.25 | Taranakite | K3Al5(PO3OH)6(PO4)2 · 18H2O |
| 8.CH.25 | Francoanellite | K3Al5(PO3OH)6(PO4)2 · 12H2O |
| 8.CH.25 | Macivorite | (NH4)3Al5(PO3OH)6(PO4)2 · 18H2O |
| 8.CH.30 | Schertelite | (NH4)2MgH2(PO4)2 · 4H2O |
| 8.CH.35 | Hannayite | (NH4)2Mg3H4(PO4)4 · 8H2O |
| 8.CH.40 | Hazenite | KNaMg2(PO4)2 · 14H2O |
| 8.CH.40 | Struvite-(K) | KMg(PO4) · 6H2O |
| 8.CH.40 | Struvite | (NH4)Mg(PO4) · 6H2O |
| 8.CH.45 | Rimkorolgite | (Mg,Mn)5(Ba,Sr,Ca)(PO4)4 · 8H2O |
| 8.CH.50 | Bakhchisaraitsevite | Na2Mg5(PO4)4 · 7H2O |
| 8.CH.55 | Fahleite | CaZn5Fe3+2(AsO4)6 · 14H2O |
| 8.CH.60 | Barahonaite-(Fe) | (Ca,Cu,Na,Fe3+,Al)12Fe3+2(AsO4)8(OH,Cl)x · nH2O |
| 8.CH.60 | Barahonaite-(Al) | (Ca,Cu,Na,Fe3+,Al)12Al2(AsO4)8(OH,Cl)x · nH2O |
| 8.CH.70 | Epifanovite | NaCaCu5(PO4)4[AsO2(OH)2] · 7H2O |
| 8.CH.75 | Esdanaite-(Ce) | NaMnCe(PO4)2 · 4H2O |
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 Smolyaninovite
mindat.org URL:
https://www.mindat.org/min-7298.html
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Please feel free to link to this page.
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References for Smolyaninovite
Reference List:
Yakhontova, L.K. (1956) A new mineral - smolyaninovite. Doklady Akademii Nauk SSSR: 109(4): 849-850.
Smith, L. K., Han, K. N., Lawson, F. (1977) On the occurrence of smolyaninovite in the Mount Cobalt deposit, in north-western Queensland, Australia. Mineralogical Magazine, 41 (319) 385-388 doi:10.1180/minmag.1977.041.319.11
Localities for Smolyaninovite
Showing 13 localities.
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Australia | |
| Smith et al. (1977) +4 other references |
| Segnit (1978) +1 other reference |
Germany | |
| Smith et al. (1977) |
Ireland | |
| S. MORETON et al. (1999) |
| NHM (London) |
Morocco | |
| Weiß (2006) |
Portugal | |
| Marques de Sá et al. (2010) |
Russia (TL) | |
| Yakhontova et al. (1956) |
Spain | |
| J. Gröbner and M. A. Fernández Périz (2006) |
| Calvo Rebollar (2015) |
Sweden | |
| www.handbookofmineralogy.org (n.d.) |
Switzerland | |
| Cuchet (1994) +1 other reference |
UK | |
| [Russell Society Newsletter 35 Sep 1999 ... |
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Dome Rock Copper Mine, Boolcoomatta Reserve, Pastoral Unincorporated Area, South Australia, Australia