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Simferite

Formula:
Li(Mg,Fe
3+
 
,Mn
3+
 
)
 
2
[PO
 
4
]
 
2
System:OrthorhombicColour:Dark red
Name:Named after Simferopol, in Crimea, Russia, the city of work of V.V. Bairakov, who found the mineral.


related to the Triphylite Group.

Classification of Simferite

IMA status:Approved 1989
Strunz 8th edition ID:7/A.02-05
Nickel-Strunz 10th (pending) edition ID:8.AB.10

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
B : With medium-sized cations
Dana 7th edition ID:38.1.4.3
Dana 8th edition ID:38.5.7.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
5 : Miscellaneous
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Type Occurrence of Simferite

Type Locality:Rodionovskoye pegmatite locality, Middle Berda River, Azov Sea Region, Zaporozh'e Oblast', Ukraine
Year of Discovery:1989

Physical Properties of Simferite

Colour:Dark red

Crystallography of Simferite

Crystal System:Orthorhombic
Cell Parameters:a = 4.74Å, b = 10.1Å, c = 5.89Å
Ratio:a:b:c = 0.469 : 1 : 0.583
Unit Cell Volume:V 281.98 ų (Calculated from Unit Cell)

Optical Data of Simferite

Type:Biaxial
RI values: nα = 1.690 - 1.704 nβ = 1.702 - 1.716 nγ = 1.712 - 1.726
Maximum Birefringence:δ = 0.022

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

Chemical Properties of Simferite

Formula:
Li(Mg,Fe
3+
 
,Mn
3+
 
)
 
2
[PO
 
4
]
 
2
Essential elements:Li, Mg, O, P
All elements listed in formula:Fe, Li, Mg, Mn, O, P
Empirical Formula:
Li(Mg1.0Fe3+0.6Mn3+0.4)(PO4)2

Relationship of Simferite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.AB.05Farringtonite
Mg
 
3
[PO
 
4
]
 
2
8.AB.10Ferrisicklerite
(Fe
3+
 
,LiMn
2+
 
)[PO
 
4
]
8.AB.10Heterosite
(Fe
3+
 
,Mn
3+
 
)[PO
 
4
]
8.AB.10Lithiophilite
LiMn
2+
 
[PO
 
4
]
8.AB.10Natrophilite
NaMn
2+
 
[PO
 
4
]
8.AB.10Purpurite
(Mn
3+
 
,Fe
3+
 
)[PO
 
4
]
8.AB.10Sicklerite
(LiMn
2+
 
,Fe
3+
 
)[PO
 
4
]
8.AB.10Triphylite
LiFe
2+
 
[PO
 
4
]
8.AB.15Sarcopside
(Fe
2+
 
,Mn
2+
 
,Mg)
 
3
[PO
 
4
]
 
2
8.AB.15Chopinite
(Mg,Fe
2+
 
)
 
3
[PO
 
4
]
 
2
8.AB.20Beusite
(Mn
2+
 
,Fe
2+
 
,Ca,Mg)
 
3
[PO
 
4
]
 
2
8.AB.20Graftonite
(Fe
2+
 
,Mn
2+
 
,Ca)
 
3
[PO
 
4
]
 
2
8.AB.25Xanthiosite
Ni
 
3
[AsO
 
4
]
 
2
8.AB.30Lammerite
Cu
 
3
[AsO
 
4
]
 
2
8.AB.30IMA2009-002
Cu
 
3
(AsO
 
4
)
 
2
8.AB.35Mcbirneyite
Cu
 
3
(VO
 
4
)
 
2
8.AB.35Stranskiite
(Zn,Cu)
 
3
[AsO
 
4
]
 
2
8.AB.40Lyonsite
Cu
 
3
Fe
 
4
(VO
 
4
)
 
6
Related Minerals - Dana Grouping):

- +
38.1.4.1Ferrisicklerite
(Fe
3+
 
,LiMn
2+
 
)[PO
 
4
]
38.1.4.2Sicklerite
(LiMn
2+
 
,Fe
3+
 
)[PO
 
4
]

Other Names for Simferite

Synonyms:
IMA1989-016Simferopolite
Other Languages:
German:Simferit
Russian:Симферит
Spanish:Simferita

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 Simferite

Reference List:Bayrakov, V.V., Yakubovich, O.V. (1993), American Mineralogist: 78: 452.

Pekov, I. (1997): 187-188.

Soviet Physics – Doklady: 34: 669-671.

Simonov, M.A., Borisovskyi, S.E., Ziborova, T.A. (2005): Simferite Li(Mg,Fe3+, Mn3+)2(PO4)2, a new mineral. Mineralogical Journal (Ukraine): 27(2): 112-120.

Bairakov, V. V.; Yakubovich, O. V.; Simonov, M. A.; Borisovskii, S. E. & Ziborova, T. A. (2006): Simferite Li(Mg,Fe3+,Mn3+)2[PO4]2, a new mineral. [Erratum]. Mineralogichnii Zhurnal 28, 99-100.

abstracted in Am. Min. 91, 1201-1209, 2006

Internet Links for Simferite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Simferite in the Natural History Museum (London) online catalogue
  • Simferite details from Handbook of Mineralogy (PDF)
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    Localities for Simferite

    (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.
    Ukraine
     
    • Zaporozh'e Oblast'
      • Azov Sea Region
        • Middle Berda River
    		Bayrakov, V.V., Yakubovich, O.V., Simonov, M.A., Borisovskyi, S.E., Ziborova, T.A. (2005): Simferite Li(Mg,Fe3+, Mn3+)2(PO4)2, a new mineral. Mineralogical Journal (Ukraine), 27(2), 112-120.
    Mineral and/or Locality
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