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Pertsevite

Formula:
Mg
 
2
BO
 
3
(F,OH)
System:OrthorhombicColour:colourless
Name:for Nikolai Nikolayevich Pertsev, for his work on borate minerals
This page provides mineralogical data about Pertsevite.

Classification of Pertsevite

IMA status:Approved 2002
Nickel-Strunz 10th (pending) edition ID:6.AB.75

6 : BORATES
A : Monoborates
B : BO3, with additional anions; 1(D) + OH, etc.
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Type Occurrence of Pertsevite

Type Locality:Kebirnin'ya creek, Dogdo river, Yana River Basin, Verkhoyansk, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
Geological Setting of type material:in kotoite marble

Physical Properties of Pertsevite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:colourless
Streak:white
Cleavage:None Observed
Density (calculated):3.12 g/cm3

Crystallography of Pertsevite

Crystal System:Orthorhombic
Class (H-M):mm2 - Pyramidal
Space Group:Pna21
Cell Parameters:a = 20.49Å, b = 4.571Å, c = 11.89Å
Ratio:a:b:c = 4.483 : 1 : 2.601
Unit Cell Volume:V 1113.61 ų
Z:16
Morphology:anhedral grains up to 150 µm in diameter

Optical Data of Pertsevite

Type:Biaxial (+)
RI values: nα = 1.609 nβ = 1.620 nγ = 1.642
Maximum Birefringence:δ = 0.033

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Pertsevite

Formula:
Mg
 
2
BO
 
3
(F,OH)
All elements listed in formula:B, F, H, Mg, O

Relationship of Pertsevite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
6.AB.05Hambergite
Be
 
2
[O|OH|BO
 
2
]
6.AB.10Berborite
Be
 
2
[(OH,F)|BO
 
3
] · H
 
2
O
6.AB.15Jeremejevite
Al
 
6
[(F,OH)
 
3
|(BO
 
3
)
 
5
]
6.AB.20Warwickite
(Mg,Fe
2+
 
)
 
3
Ti[O|BO
 
3
]
 
2
6.AB.20Yuanfuliite
Mg(Fe
3+
 
,Fe
2+
 
,Al,Ti,Mg)[O|BO
 
3
]
6.AB.25Karlite
Mg
 
7
[(OH,Cl)
 
5
|(BO
 
3
)
 
3
]
6.AB.30Azoproite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Ti,Mg)[O
 
2
|BO
 
3
]
6.AB.30Bonaccordite
Ni
 
2
Fe
3+
 
[O
 
2
|BO
 
3
]
6.AB.30Fredrikssonite
Mg
 
2
(Mn
3+
 
,Fe
3+
 
)[O
 
2
|BO
 
3
]
6.AB.30Ludwigite
Mg
 
2
Fe
3+
 
[O
 
2
|BO
 
3
]
6.AB.30Vonsenite
Fe
2+
2
Fe
3+
 
[O
 
2
|BO
 
3
]
6.AB.35Pinakiolite
(Mg,Mn
2+
 
)
 
2
Mn
3+
 
[O
 
2
|BO
 
3
]
6.AB.40Blatterite
(Mn
2+
 
,Mg)
 
2
(Mn
3+
 
,Sb
3+
 
,Fe
3+
 
)[O
 
2
|BO
 
3
]
6.AB.40Chestermanite
Mg
 
2
(Fe
3+
 
,Mn
3+
 
,Al,Sb
3+
 
)[O
 
2
|BO
 
3
]
6.AB.40Orthopinakiolite
(Mg,Mn
2+
 
)
 
2
Mn
3+
 
[O
 
2
|BO
 
3
]
6.AB.40Takéuchiite
(Mg,Mn
2+
 
)
 
2
(Mn
3+
 
,Fe
3+
 
)[O
 
2
|BO
 
3
]
6.AB.45Hulsite
(Fe
2+
 
,Mg)
 
2
(Fe
3+
 
,Sn)[O
 
2
|BO
 
3
]
6.AB.45Magnesiohulsite
(Mg,Fe
2+
 
)
 
2
(Fe
3+
 
,Sn,Mg)[O
 
2
|BO
 
3
]
6.AB.45Aluminomagnesiohulsite
(Mg,Fe
2+
 
)
 
2
(Al,Mg,Sn)[O
 
2
|BO
 
3
]
6.AB.50Fluoborite
Mg
 
3
[(F,OH)
 
3
|BO
 
3
]
6.AB.50Hydroxylborite
Mg
 
3
(BO
 
3
)(OH)
 
3
6.AB.55Shabynite
Mg
 
5
[(Cl,OH)
 
2
|(OH)
 
5
|BO
 
3
] · 4H
 
2
O
6.AB.55Wightmanite
Mg
 
5
[O|(OH)
 
5
|BO
 
3
] · 2H
 
2
O
6.AB.60Gaudefroyite
Ca
 
4
Mn
3+
2-3
[(O,OH)
 
3
|CO
 
3
|(BO
 
3
)
 
3
]
6.AB.65Sakhaite
Ca
 
12
Mg
 
4
[Cl|(OH)
 
2
|(CO
 
3
)
 
4
|(BO
 
3
)
 
7
]
6.AB.70Harkerite
Ca
 
24
Mg
 
8
Al
 
2
Si
 
8
(O,OH)
 
32
(BO
 
3
)
 
8
(CO
 
3
)
 
8
(H
 
2
O,Cl)
6.AB.75IMA2008-060
Mg
 
2
(BO
 
3
)(OH)
6.AB.80Jacquesdietrichite
Cu
 
2
BO(OH)
 
2
(OH)
 
3
6.AB.85Painite
CaZrAl
 
9
[O
 
15
|BO
 
3
]

Other Names for Pertsevite

Synonyms:
IMA2002-030
Other Languages:
German:Pertsevit
Russian:Перцевит

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 Pertsevite

Reference List:Schreyer, W., T. Armbruster, H.-J. Bernhardt & O. Medenbach (2003): Pertsevite, a new silicatian magnesioborate mineral with an end-member composition Mg2BO3F, in kotoite marble from east of Verkhoyansk, Sakha-Yakutia, Russia.- European Journal of Mineralogy: 15: 1007-1018.

Internet Links for Pertsevite

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    Localities for Pertsevite

    Hide Locality List
    The 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.
    (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
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
        • Polar Yakutia
          • Dogdo River Basin
            • Tas-Khayakhtakh Range
              • Izvestkovyi Stream
    		E. Galuskin and N.N. Pertsev analytical data; Galuskina I.O., Kadiyski M., Armbruster T., Galuskin E.V., Pertsev N.N., Dzierzanowski P., Wrzalik R. (2008) A new natural phase in the system Mg2SiO4-Mg2BO3F-Mg2BO3(OH): composition, paragenesis and structure of OH-dominant pertsevite, - Eur. J. Mineral., 20, p. 951-964.
        • Verkhoyansk
          • Yana River Basin
            • Dogdo river
    		W. Schreyer et al. (2003) Eur. Journ. Mineral. 15, 1007-1018
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 8th Nov 2009 19:00:19