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Kovdorskite

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Kovdor Mine, Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Elmar Lackner

Show Kovdorskite Photos (19)
Formula:
Mg
 
2
(PO
 
4
)(OH)·3H
 
2
O
System:MonoclinicColour:Pale rose, pale blue
Hardness:4
This page provides mineralogical data about Kovdorskite.

Classification of Kovdorskite

IMA status:Approved
Strunz 8th edition ID:7/D.36-10
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:43.5.8.1

43 : COMPOUND PHOSPHATES, ETC.
5 : Hydrated Compound Phosphates, etc·, Containing Hydroxyl or Halogen
Hey's CIM Ref.:22.4.2

22 : Phosphates, Arsenates or Vanadates with other Anions
4 : Phosphates, arsenates or vanadates with carbonate
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Type Occurrence of Kovdorskite

Type Locality:Kovdor Mine, Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Year of Discovery:1980

Physical Properties of Kovdorskite

Colour:Pale rose, pale blue
Hardness (Mohs):4

Crystallography of Kovdorskite

Crystal System:Monoclinic
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Kovdorskite

Type:Biaxial (-)
RI values: nα = 1.527 nβ = 1.542 nγ = 1.549
2V:Measured: 80° to 82°, Calculated: 68°
Maximum Birefringence:δ = 0.022

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:r > v weak

Chemical Properties of Kovdorskite

Formula:
Mg
 
2
(PO
 
4
)(OH)·3H
 
2
O
Essential elements:C, H, Mg, O, P
All elements listed in formula:H, Mg, O, P

Relationship of Kovdorskite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DC.05Nissonite
Cu
 
2
Mg
 
2
[OH|PO
 
4
]
 
2
 · 5H
 
2
O
8.DC.07Euchroite
Cu
 
2
[OH|AsO
 
4
] · 3H
 
2
O
8.DC.10Legrandite
Zn
 
2
[OH|AsO
 
4
] · H
 
2
O
8.DC.12Strashimirite
Cu
 
8
[OH|AsO
 
4
]
 
4
 · 5H
 
2
O
8.DC.15Arthurite
CuFe
3+
2
[(OH,O)|(AsO
 
4
,PO
 
4
,SO
 
4
)]
 
2
 · 4H
 
2
O
8.DC.15Earlshannonite
Mn
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
·4H
 
2
O
8.DC.15Ojuelaite
ZnFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.DC.15Whitmoreite
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.DC.15Cobaltarthurite
(Co,Mg)Fe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.DC.15Bendadaite
Fe
2+
 
Fe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.DC.15IMA 2007-057
CuFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
·4H
 
2
O
8.DC.17Kleemanite
ZnAl
 
2
[OH|PO
 
4
]
 
2
 · 3H
 
2
O
8.DC.20Bermanite
Mn
2+
 
Mn
3+
2
[OH|PO
 
4
]
 
2
 · 4H
 
2
O
8.DC.25Ferristrunzite
Fe
3+
3
[OH|PO
 
4
]
 
2
 · 5(H
 
2
O,OH)
8.DC.25Ferrostrunzite
Fe
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 6H
 
2
O
8.DC.25Metavauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.25Strunzite
Mn
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 6H
 
2
O
8.DC.27Beraunite
Fe
2+
 
Fe
3+
5
[(OH)
 
5
|(PO
 
4
)
 
4
] · 4H
 
2
O
8.DC.30Gordonite
MgAl
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Laueite
Mn
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Mangangordonite
Mn
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Paravauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Pseudolaueite
Mn
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Sigloite
Fe
3+
 
Al
 
2
[(OH)
 
3
|(PO
 
4
)
 
2
] · 7H
 
2
O
8.DC.30Stewartite
Mn
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Ushkovite
MgFe
3+
2
[PO
 
4
]
 
2
(OH)
 
2
 · 8H
 
2
O
8.DC.30Ferrolaueite
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
 · 8H
 
2
O
8.DC.30Kastningite
(Mn
2+
 
,Fe
2+
 
,Mg)Al
 
2
[OH|PO
 
4
]
 
2
 · 8H
 
2
O
8.DC.30Maghrebite
MgAl
 
2
[OH|AsO
 
4
]
 
2
 · 8H
 
2
O
8.DC.32Tinticite
Fe
3+
4
[OH|PO
 
4
]
 
3
 · 5H
 
2
O
8.DC.35Vauxite
Fe
2+
 
Al
 
2
[OH|PO
 
4
]
 
2
 · 6H
 
2
O
8.DC.37Vantasselite
Al
 
4
[OH|PO
 
4
]
 
3
 · 9H
 
2
O
8.DC.40Cacoxenite
Fe
3+
24
Al[(OH)
 
12
|O
 
6
|(PO
 
4
)
 
17
] · 17H
 
2
O
8.DC.45Gormanite
(Fe
2+
 
,Mg)
 
3
(Al,Fe
3+
 
)
 
4
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
8.DC.45Souzalite
(Mg,Fe
2+
 
)
 
3
(Al,Fe
3+
 
)
 
4
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
8.DC.47Kingite
Al
 
3
[(OH)
 
3
|(PO
 
4
)
 
2
] · 9H
 
2
O
8.DC.50Wavellite
Al
 
3
[(OH,F)
 
3
|(PO
 
4
)
 
2
] · 5H
 
2
O
8.DC.50Allanpringite
Fe
3+
3
[(OH)
 
3
|(PO
 
4
)
 
2
] · 5H
 
2
O
8.DC.52Kribergite
Al
 
5
[(OH)
 
4
|SO
 
4
|(PO
 
4
)
 
3
] · 4H
 
2
O
8.DC.55Mapimite
Zn
 
2
Fe
3+
3
[(OH)
 
4
|(AsO
 
4
)
 
3
] · 10H
 
2
O
8.DC.57Ogdensburgite
Ca
 
2
Fe
3+
4
(Zn,Mn
2+
 
)[(OH)
 
3
|(AsO
 
4
)
 
2
]
 
2
 · 6H
 
2
O
8.DC.60Nevadaite
(Cu
2+
 
,Al,V
3+
 
)
 
6
Al
 
8
(PO
 
4
)
 
8
F
 
8
(OH)
 
2
(H
 
2
O)
 
22
8.DC.60Cloncurryite
(Cu,VO)Al
 
2
[(F,OH)|PO
 
4
]
 
2
 · 4.5-5H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
22.4.1Bradleyite
Na
 
3
Mg[PO
 
4
|CO
 
3
]
22.4.3Carbonate-rich Apatite-(CaOH)
Ca
 
5
[(OH,O)|(PO
 
4
,CO
 
3
)
 
3
]
22.4.4Carbonate-rich Apatite-(CaF)
Ca
 
5
[(F,O)|(PO
 
4
,CO
 
3
)
 
3
]
22.4.5Tyrolite
Ca
 
2
Cu
 
9
[(OH)
 
4
|(H
 
2
O)
 
11
|CO
 
3
|(AsO
 
4
)
 
4
] · 0-1H
 
2
O
22.4.6Heneuite
CaMg
 
5
(CO
 
3
)(PO
 
4
)
 
3
OH
22.4.7Girvasite
NaCa
 
2
Mg
 
3
[(OH)
 
2
|CO
 
3
|H
 
2
PO
 
4
|(PO
 
4
)
 
2
] · 4H
 
2
O
22.4.8Daqingshanite-(Ce)
(Sr,Ca,Ba)
 
2
(Ce,La)PO
 
4
(CO
 
3
,OH,F)
 
3
22.4.9Gartrellite
Pb(Cu,Fe
3+
 
,Zn)
 
2
[AsO
 
4
,SO
 
4
]
 
2
 · 2(H
 
2
O,OH)
22.4.10Voggite
Na
 
2
Zr[OH|CO
 
3
|PO
 
4
] · 2H
 
2
O
22.4.11Bonshtedtite
Na
 
3
Fe
2+
 
[PO
 
4
|CO
 
3
]

Other Names for Kovdorskite

Synonyms:
IMA1979-066
Other Languages:
German:Kovdorskit
Russian:Ковдорскит
Spanish:Kovdorskita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Kovdorskite

Reference List:American Mineralogist (1981): 66: 437.
Kapustin, Yu. L.; Bykova, A. V.; Pudovkina, Z. V. (1980): Kovdorskite - a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 109 (3), 341-347. (in Russian)
Ovchinnikov, V.E., L.P. Solov’eva, Z.V. Pudovkina, Y.L. Kapustin, and N.V. Belov (1980): The crystal structure of kovdorskite Mg2(PO4)(OH).3H2O. Doklady Acad. Nauk SSSR, 255, 351-354 (in Russian).
Ponomareva, E.V. and N.I. Krasnova (1990): New data on kovdorskite – Mg2(PO4)(OH).3H2O. Zap. Vses. Mineral. Obshch., 119 (6), 92-100. (in Russian)

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    Localities for Kovdorskite

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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Kovdor Massif
    		[World of Stones 95:5-6, p64]
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