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Belovite-(La)

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Big Photo

Kirovskii apatite mine (Kirovsky Mine; Kirov Mine), Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© 2007, JGW




Formula:
NaLaSr
 
3
(PO
 
4
)
 
3
F
System:TrigonalColour:greenish yellow to ...
Lustre:VitreousHardness:5
Name:for lanthanum dominant over cerium and its relation to belovite-(Ce)


Apatite Group. The lanthanum analogue of belovite-(Ce). The NaSr3La analogue of fluorapatite.

Classification of Belovite-(La)

IMA status:Approved 1995
Strunz 8th edition ID:7/B.39-115
Nickel-Strunz 10th (pending) edition ID:8.BN.05

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
N : With only large cations, (OH, etc.):RO4 = 0.33:1
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Type Occurrence of Belovite-(La)

Co-type Localities:Eveslogchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Kirovskii apatite mine (Kirovsky Mine; Kirov Mine), Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Place of Conservation of Type Material:AE Fersman Mineralogical Museum, Moscow; p1523
Mining Institute, St. Petersburg; 3026/24

Physical Properties of Belovite-(La)

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:greenish yellow to bright yellow
Hardness (Mohs):5
Hardness (Vickers):VHN30=450 kg/mm2
Tenacity:Very brittle
Fracture:Conchoidal
Density (measured):4.19 g/cm3
Density (calculated):4.05 g/cm3

Crystallography of Belovite-(La)

Crystal System:Trigonal
Class (H-M):3 - Rhombohedral
Space Group:P3
Cell Parameters:a = 9.647Å, c = 7.17Å
Ratio:a:c = 1 : 0.743
Unit Cell Volume:V 577.88 ų (Calculated from Unit Cell)
Z:2
Morphology:prismatic crystals to 3cm; granular
X-Ray Powder Diffraction:
d-spacingIntensity
2.897 (100)
2.884 (100)
3.59 (87)
3.30 (65)
2.790 (54)
1.910 (36)
1.796 (36)
Comments:close to belovite-(Ce)

Optical Data of Belovite-(La)

Type:Uniaxial (-)
RI values: nω = 1.653 nε = 1.635 - 1.636
Maximum Birefringence:δ = 0.018

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

Chemical Properties of Belovite-(La)

Formula:
NaLaSr
 
3
(PO
 
4
)
 
3
F
Essential elements:F, La, Na, O, P, Sr
All elements listed in formula:F, La, Na, O, P, Sr
Common Impurities:Ca,Ba,Pr,Nd,Sm,Gd,Y,Th,Si,P,S

Relationship of Belovite-(La) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.BN.05Alforsite
Ba
 
5
(PO
 
4
)
 
3
Cl
8.BN.05Belovite-(Ce)
NaCeSr
 
3
(PO
 
4
)
 
3
F
8.BN.05Carbonate-rich Fluorapatite
Ca
 
5
(PO
 
4
,CO
 
3
)
 
3
(F,O)
8.BN.05Carbonate-rich Hydroxylapatite
Ca
 
5
(PO
 
4
,CO
 
3
)
 
3
(OH,O)
8.BN.05Chlorapatite
Ca
 
5
(PO
 
4
)
 
3
Cl
8.BN.05Mimetite-M
Pb
 
5
(AsO
 
4
)
 
3
Cl
8.BN.05Johnbaumite-M
Ca
 
5
(AsO
 
4
)
 
3
OH
8.BN.05Fluorapatite
Ca
 
5
(PO
 
4
)
 
3
F
8.BN.05Hedyphane
Pb
 
3
Ca
 
2
(AsO
 
4
)
 
3
Cl
8.BN.05Hydroxylapatite
Ca
 
5
(PO
 
4
)
 
3
(OH)
8.BN.05Johnbaumite
Ca
 
5
(AsO
 
4
)
 
3
OH
8.BN.05Mimetite
Pb
 
5
(AsO
 
4
)
 
3
Cl
8.BN.05Morelandite
Ca
 
2
Ba
 
3
(AsO
 
4
)
 
3
Cl
8.BN.05Pyromorphite
Pb
 
5
(PO
 
4
)
 
3
Cl
8.BN.05Fluorstrophite
SrCaSr
 
3
(PO
 
4
)
 
3
F
8.BN.05Svabite
Ca
 
5
(AsO
 
4
)
 
3
F
8.BN.05Turneaureite
Ca
 
5
(AsO
 
4
)
 
3
Cl
8.BN.05Vanadinite
Pb
 
5
(VO
 
4
)
 
3
Cl
8.BN.05Deloneite
(Na
 
0.5
REE
 
0.25
Ca
 
0
 · 25)(Ca
 
0.75
REE
 
0.25
)Sr
 
1.5
(CaNa
 
0.25
REE
 
0.25
)(PO
 
4
)
 
3
F
 
0.5
(OH)
 
0.5
8.BN.05Fluorcaphite
SrCaCa
 
3
(PO
 
4
)
 
3
F
8.BN.05Kuannersuite-(Ce)
NaCeBa
 
3
(PO
 
4
)
 
3
F
 
0.5
Cl
 
0.5
8.BN.05Hydroxylapatite-M
Ca
 
5
(PO
 
4
)
 
3
OH
8.BN.05Phosphohedyphane
Ca
 
2
Pb
 
3
(PO
 
4
)
 
3
Cl
8.BN.05Stronadelphite
Sr
 
5
(PO
 
4
)
 
3
F
8.BN.05Fluorphosphohedyphane
Ca
 
2
Pb
 
3
(PO
 
4
)
 
3
F
8.BN.10Arctite
Na
 
2
Ca
 
4
(PO
 
4
)
 
3
F

Other Names for Belovite-(La)

Synonyms:
IMA1995-023
Other Languages:
German:Belovit-(La)
Russian:Беловит-(La)

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 Belovite-(La)

Reference List:

- +
Pekov, I.V., et al. (1996): Zap. Vses. Mineral. Oshch. 125(3):101-109.

American Mineralogist (1997): 82: 620 (abstract).

Mineralogical Record: 28: 219-220.

Internet Links for Belovite-(La)

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Belovite-(La) details from Handbook of Mineralogy (PDF)
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    • Localities for Belovite-(La)

    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.
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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
          • Khibiny Massif
    		Men'shikov, Y.P., et al (2006), American Mineralogist: 91: 922-928.
            • Kukisvumchorr Mt
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    www.koeln.netsurf.de/~w.steffens/lovo.htm
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