Kovdorskite (original) (raw)
A valid IMA mineral species
About KovdorskiteHide
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Formula:
Mg2(PO4)(OH) · 3H2O
Colour:
Colorless, pale rose, bright pink, pale blue
Crystal System:
Monoclinic
Name:
Named for the Kovdor Massif, Russia, that includes the type locality.
This page provides mineralogical data about Kovdorskite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:2266:4
b5fb3758-4eae-4bf0-92de-f059b6d6399b
IMA Classification of KovdorskiteHide
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Type description reference:
Classification of KovdorskiteHide
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8.DC.22
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
C : With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
43.5.8.1
43 : COMPOUND PHOSPHATES, ETC.
5 : Hydrated Compound Phosphates, etc·, Containing Hydroxyl or Halogen
22.4.2
22 : Phosphates, Arsenates or Vanadates with other Anions
4 : Phosphates, arsenates or vanadates with carbonate
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.
| Symbol | Source | Reference |
|---|---|---|
| Kov | 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 KovdorskiteHide
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Transparency:
Transparent, Opaque
Colour:
Colorless, pale rose, bright pink, pale blue
Hardness:
VHN100=420 - 450 - Vickers
Fracture:
Irregular/Uneven, Conchoidal
Density:
2.28 g/cm3 (Measured) 2.30 g/cm3 (Calculated)
Optical Data of KovdorskiteHide
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RI values:
_n_α = 1.528 _n_β = 1.542 _n_γ = 1.549
2V:
Measured: 80° to 82°, Calculated: 68°
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of KovdorskiteHide
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Mindat Formula:
Mg2(PO4)(OH) · 3H2O
Crystallography of KovdorskiteHide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 10.4785(1) Å, b = 12.9336(2) Å, c = 4.7308(1) Å
β = 105.054(1)°
Ratio:
a:b:c = 0.81 : 1 : 0.366
Comment:
Cell parameters from Morrison et al. (2012).
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0018615 | Kovdorskite | Morrison S M, Downs R T, Yang H (2012) Redetermination of kovdorskite, Mg2PO4(OH)*3H2O Acta Crystallographica E68 i12-i13 |  |
2012 | Kovdor massif, Kola Peninsula, Russia | 0 | 293 |
| 0012469 | Kovdorskite | Ovchinnikov V E, Soloveva L P, Pudovkina Z V, Kapustin Yu L, Belov N V (1980) The crystal structure of kovdorskite Mg2(PO4)(OH)*3(H2O) Doklady Akademii Nauk SSSR 255 351-354 | 1980 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 7.96 Å | (100) |
| 5.44 Å | (46) |
| 4.32 Å | (36) |
| 2.821 Å | (59) |
| 2.658 Å | (25) |
| 2.258 Å | (64) |
| 1.884 Å | (27) |
Geological EnvironmentHide
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Type Occurrence of KovdorskiteHide
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General Appearance of Type Material:
Rough prismatic crystals, to 2 cm.
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 81408.
Associated Minerals at Type Locality:
Reference:
Kapustin, Yu. L.; Bykova, A. V.; Pudovkina, Z. V. (1980): Kovdorskite - a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 109 (3), 341-347. (in Russian)
Synonyms of KovdorskiteHide
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Other Language Names for KovdorskiteHide
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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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| 8.DC. | Césarferreiraite | Fe2+ Fe3+2(AsO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
|---|---|---|---|
| 8.DC. | Ferrivauxite | Fe3+Al2(PO4)2(OH)3 · 5H2O | Tric. 1 : _P_1 |
| 8.DC. | Ianbruceite | Zn2(AsO4)(OH) · 3H2O | Mon. 2/m : _P_21/b |
| 8.DC.05 | Nissonite | Cu2Mg2(PO4)2(OH)2 · 5H2O | Mon. 2/m : _B_2/b |
| 8.DC.07 | Euchroite | Cu2(AsO4)(OH) · 3H2O | Orth. 222 : _P_212121 |
| 8.DC.10 | Legrandite | Zn2(AsO4)(OH) · H2O | Mon. 2/m : _P_21/b |
| 8.DC.12 | Strashimirite | Cu8(AsO4)4(OH)4 · 5H2O | Mon. |
| 8.DC.15 | Earlshannonite | Mn2+Fe3+2(PO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | Kunatite | CuFe3+2(PO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | UM2006-27-PO:FeHZn | ZnFe3+2(PO4)2(OH)2 · 4H2O | Mon. |
| 8.DC.15 | UKI-2006-(PO:AlCuFeH) | Fe2+Al3+2(PO4)2(OH)2 · 4H2O | |
| 8.DC.15 | Cobaltarthurite | CoFe3+2(AsO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | Arthurite | CuFe3+2(AsO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | Ojuelaite | ZnFe3+2(AsO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | Whitmoreite | Fe2+Fe3+2(PO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.15 | Bendadaite | Fe2+Fe3+2(AsO4)2(OH)2 · 4H2O | Mon. 2/m : _P_21/b |
| 8.DC.17 | Kleemanite | ZnAl2(PO4)2(OH)2 · 3H2O | Mon. |
| 8.DC.20 | Magnesiobermanite | MgMn3+2(PO4)2(OH)2 · 4H2O | Mon. 2 : _P_21 |
| 8.DC.20 | Bermanite | Mn2+Mn3+2(PO4)2(OH)2 · 4H2O | Mon. 2/m : _P_2/b |
| 8.DC.20 | Coralloite | Mn2+Mn3+2(AsO4)2(OH)2 · 4H2O | Tric. 1 : _P_1 |
| 8.DC.25 | Zincostrunzite | ZnFe3+2(PO4)2(OH)2 · 6.5H2O | Tric. 1 : _P_1 |
| 8.DC.25 | Metavauxite | Fe2+Al2(PO4)2(OH)2 · 8H2O | Mon. 2/m : _P_21/b |
| 8.DC.25 | Metavivianite | Fe2+Fe3+2(PO4)2(OH)2 · 6H2O | Tric. 1 : _P_1 |
| 8.DC.25 | Ferristrunzite | Fe3+Fe3+2(PO4)2(OH)3 · 5H2O | Tric. |
| 8.DC.25 | Strunzite | Mn2+Fe3+2(PO4)2(OH)2 · 6H2O | Tric. 1 : _P_1 |
| 8.DC.25 | Ferrostrunzite | Fe2+Fe3+2(PO4)2(OH)2 · 6H2O | Tric. |
| 8.DC.27 | Beraunite | Fe3+6(PO4)4O(OH)4 · 6H2O | Mon. m : B b |
| 8.DC.27 | Tvrdýite | Fe2+Fe3+2 Al3(PO4)4(OH)5(H2O)4 · 2H2O | Mon. 2/m : _B_2/b |
| 8.DC.27 | Zincoberaunite | ZnFe3+5(PO4)4(OH)5 · 6H2O | Mon. 2/m : _B_2/b |
| 8.DC.30 | Maghrebite | MgAl2(AsO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Ferrolaueite | Fe2+Fe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Ushkovite | MgFe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Laueite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Paravauxite | Fe2+Al2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Sigloite | Fe3+Al2(PO4)2(OH)3 · 7H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Nordgauite | MnAl2(PO4)2(F,OH)2 · 5H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Kayrobertsonite | [MnAl2(PO4)2(OH)2(H2O)4] · 2H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Kummerite | Mn2+Fe3+Al(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Mangangordonite | Mn2+Al2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Stewartite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Gordonite | MgAl2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Kastningite | (Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2O | Tric. 1 : _P_1 |
| 8.DC.30 | Pseudolaueite | Mn2+Fe3+2(PO4)2(OH)2 · 8H2O | Mon. 2/m : _P_21/b |
| 8.DC.32 | Kamarizaite | Fe3+3(AsO4)2(OH)3 · 3H2O | Tric. 1 : _P_1 |
| 8.DC.32 | Tinticite | Fe3+3(PO4)2(OH)3 · 3H2O | Tric. 1 : _P_1 |
| 8.DC.35 | Vauxite | Fe2+Al2(PO4)2(OH)2 · 6H2O | Tric. 1 : _P_1 |
| 8.DC.37 | Vantasselite | Al4(PO4)3(OH)3 · 9H2O | Orth. |
| 8.DC.40 | Cacoxenite | Fe3+24AlO6(PO4)17(OH)12 · 75H2O | Hex. 6/m : _P_63/m |
| 8.DC.45 | Souzalite | (Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O | Tric. 1 |
| 8.DC.45 | Gormanite | (Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O | Tric. |
| 8.DC.47 | Kingite | Al3(PO4)2F2(OH) · 7H2O | Tric. |
| 8.DC.50 | Allanpringite | Fe3+3(PO4)2(OH)3 · 5H2O | Mon. 2/m : _P_21/m |
| 8.DC.50 | Fluorwavellite | Al3(PO4)2(OH)2F · 5H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.DC.50 | Wavellite | Al3(PO4)2(OH,F)3 · 5H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.DC.52 | Kribergite | Al5(PO4)3(SO4)(OH)4 · 4H2O | Tric. 1 : _P_1 |
| 8.DC.55 | Mapimite | Zn2Fe3+3(AsO4)3(OH)4 · 10H2O | Mon. m : B m |
| 8.DC.57 | Ogdensburgite | Ca2Fe3+4(Zn,Mn2+)(AsO4)4(OH)6 · 6H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : C m m m |
| 8.DC.60 | Cloncurryite | Cu0.5(VO)0.5Al2(PO4)2F2 · 5H2O | Mon. 2/m : _P_21/b |
| 8.DC.60 | Nevadaite | (Cu2+,Al,V3+)6Al8(PO4)8F8(OH)2 · 22H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.DC.62 | Kenngottite | Mn2+3Fe3+4(PO4)4(OH)6(H2O)2 | Mon. 2/m : _P_2/b |
| 8.DC.67 | Molinelloite | Cu(H2O)(OH)V4+O(V5+O4) | Tric. 1 : _P_1 |
| 8.DC.70 | Whitecapsite | H16Fe2+5Fe3+14Sb3+6(AsO4)18O16 · 120H2O | Hex. 6/m : _P_63/m |
| 8.DC.75 | Heimite | PbCu2(AsO4)(OH)3 · 2H2O | Mon. 2/m |
| 8.DC.80 | Lednevite | Cu[PO3(OH)] · H2O | Mon. 2/m : _P_21/b |
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 KovdorskiteHide
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References for KovdorskiteHide
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Reference List:
Frost, Ray L., López, Andrés, Xi, Yunfei, Granja, Amanda, Scholz, Ricardo, Lima, Rosa Malena Fernandes (2013) Vibrational spectroscopy of the phosphate mineral kovdorskite – Mg2PO4(OH)⋅3H2O. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 114. 309-315 doi:10.1016/j.saa.2013.05.033
Localities for KovdorskiteHide
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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.
| Greece | |
|---|---|
| Attica East Attica Lavreotiki ⓘ Lavrion Mining District | Rieck et al. (2020) |
| Lophos Agrileza mines ⓘ Mine No. 6 | Rieck et al. (2020) |
| Russia | |
| Murmansk Oblast Kovdorsky District ⓘ Kovdor Massif | Liferovich et al. (1998) +1 other reference |
| ⓘ Kovdor Zheleznyi Mine (TL) | [World of Stones 95:5-6 +4 other references |